{"id":1185,"date":"2026-04-10T07:39:22","date_gmt":"2026-04-10T07:39:22","guid":{"rendered":"https:\/\/hxcnc.com\/?page_id=1185"},"modified":"2026-06-01T10:02:34","modified_gmt":"2026-06-01T10:02:34","slug":"chamber-viewport-frame","status":"publish","type":"page","link":"https:\/\/hxcnc.com\/ro\/product\/chamber-viewport-frame\/","title":{"rendered":"Cadre pentru vizorul camerei"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1185\" class=\"elementor elementor-1185\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aabbccdd elementor-section-stretched elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"aabbccdd\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container 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chamber viewport frames \u2014 viewport mounting face flatness \u2264 0.008 mm, compression groove tolerance \u00b10.02 mm, sealing face Ra 0.8 \u00b5m. SUS316L or Al 6061 for CF viewport flanges, O-ring viewport frames, and custom window mounting structures for borosilicate, fused-silica, sapphire, and IR-grade glass.<\/p>\n          <div class=\"hxc-hero2-stats\">\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">\u22640.008<sup>mm<\/sup><\/div><div class=\"hxc-hero2-stat-l\">Face Flatness<\/div><\/div>\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">\u00b10.02<sup>mm<\/sup><\/div><div class=\"hxc-hero2-stat-l\">Groove Tol.<\/div><\/div>\n            <div class=\"hxc-hero2-stat\"><div class=\"hxc-hero2-stat-v\">CF \/ O-Ring<\/div><div class=\"hxc-hero2-stat-l\">Standards<\/div><\/div>\n          <\/div>\n          <div class=\"hxc-hero2-btns\">\n            <a href=\"#hxc-cta\" class=\"hxc-btn hxc-p\">Get Instant Quote <span class=\"hxc-ar\">\u2192<\/span><\/a>\n            <a href=\"#hxc-gal\" class=\"hxc-btn hxc-o\">View Our Work<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"hxc-hero2-R\">\n          <div class=\"hxc-hero2-board\">\n            <div class=\"hxc-hero2-ribbon\">\n              <span><span class=\"dot\"><\/span>PART DWG \u00b7 CVF-021 CF63 VIEWPORT \u00b7 SUS316L EP \u00b7 GLASS \u00d850 \u00b7 KNIFE R\u22640.1<\/span>\n              <span>ISO 9001 \u00b7 He LEAK \u00b7 CMM<\/span>\n            <\/div>\n            <div class=\"hxc-hero2-pin hxc-hero2-pin-a hxc-hero2-pin-1\">Knife-Edge R\u22640.1<\/div>\n            <div class=\"hxc-hero2-pin hxc-hero2-pin-2\">Glass \u00d850 Phantom<\/div>\n            <div class=\"hxc-hero2-scene\">\n              <svg viewBox=\"0 0 480 360\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-label=\"Chamber viewport frame plan view with concentric flange, central optical aperture, CF knife-edge or O-ring sealing groove, 6 symmetric bolt holes, phantom sapphire-blue tinted viewport glass disk, side cross-section inset showing knife-edge profile, four corner info cards.\">\n                <defs>\n                  <linearGradient id=\"cvfM\" x1=\"0\" y1=\"0\" x2=\"0\" y2=\"1\"><stop offset=\"0\" stop-color=\"#60A5FA\"\/><stop offset=\"1\" stop-color=\"#1E40AF\"\/><\/linearGradient>\n                  <radialGradient id=\"cvfG\" cx=\"0.5\" cy=\"0.5\" r=\"0.5\"><stop offset=\"0\" stop-color=\"rgba(96,165,250,.45)\"\/><stop offset=\"1\" stop-color=\"rgba(30,64,175,.18)\"\/><\/radialGradient>\n                <\/defs>\n                <g transform=\"translate(150,196)\">\n                  <text x=\"-110\" y=\"-105\" font-family=\"Roboto Condensed,sans-serif\" font-size=\"9\" font-weight=\"700\" fill=\"#60A5FA\">VIEWPORT FRAME \u00b7 CF63 \u00b7 OPTICAL FLANGE<\/text>\n                  <text x=\"-110\" y=\"-95\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"rgba(96,165,250,.78)\">SUS316L EP \u00b7 \u00d8114 OD \u00b7 GLASS \u00d850 \u00b7 KNIFE-EDGE<\/text>\n\n                  <g transform=\"translate(-110,-83)\">\n                    <rect x=\"0\" y=\"0\" width=\"58\" height=\"10\" fill=\"none\" stroke=\"#FCD34D\" stroke-width=\".5\"\/>\n                    <line x1=\"14\" y1=\"0\" x2=\"14\" y2=\"10\" stroke=\"#FCD34D\" stroke-width=\".5\"\/>\n                    <text x=\"36\" y=\"7\" font-family=\"Roboto Mono,monospace\" font-size=\"6\" fill=\"#FCD34D\" text-anchor=\"middle\" font-weight=\"700\">\u22640.008<\/text>\n                  <\/g>\n                  <text x=\"-82\" y=\"-72\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"rgba(252,211,77,.7)\">face flatness<\/text>\n\n                  <!-- main flange OD -->\n                  <circle cx=\"0\" cy=\"0\" r=\"80\" fill=\"url(#cvfM)\" stroke=\"#1E293B\" stroke-width=\".9\"\/>\n                  <!-- inner viewport aperture -->\n                  <circle cx=\"0\" cy=\"0\" r=\"25\" fill=\"#0F172A\"\/>\n\n                  <!-- knife-edge sealing groove (concentric, sapphire highlight) -->\n                  <circle cx=\"0\" cy=\"0\" r=\"44\" fill=\"none\" stroke=\"#1E40AF\" stroke-width=\"3\" \/>\n                  <circle cx=\"0\" cy=\"0\" r=\"44\" fill=\"none\" stroke=\"#60A5FA\" stroke-width=\".7\" stroke-dasharray=\"2 1.5\" \/>\n                  <text x=\"0\" y=\"-50\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"#60A5FA\" text-anchor=\"middle\" font-weight=\"700\">CF KNIFE-EDGE \u00b7 \u00b10.02<\/text>\n\n                  <!-- phantom sapphire viewport glass disk -->\n                  <circle cx=\"0\" cy=\"0\" r=\"35\" fill=\"url(#cvfG)\" stroke=\"#60A5FA\" stroke-width=\".5\" stroke-dasharray=\"3 2\" opacity=\".7\"\/>\n                  <text x=\"0\" y=\"3\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#93C5FD\" text-anchor=\"middle\" font-style=\"italic\">phantom glass \u00d870<\/text>\n\n                  <!-- 6 bolt holes symmetric -->\n                  <g fill=\"#0F172A\" stroke=\"#FCD34D\" stroke-width=\".5\">\n                    <circle cx=\"0\" cy=\"-66\" r=\"3.2\"\/>\n                    <circle cx=\"57.2\" cy=\"-33\" r=\"3.2\"\/>\n                    <circle cx=\"57.2\" cy=\"33\" r=\"3.2\"\/>\n                    <circle cx=\"0\" cy=\"66\" r=\"3.2\"\/>\n                    <circle cx=\"-57.2\" cy=\"33\" r=\"3.2\"\/>\n                    <circle cx=\"-57.2\" cy=\"-33\" r=\"3.2\"\/>\n                  <\/g>\n                  <text x=\"68\" y=\"-60\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"rgba(252,211,77,.7)\">6\u00d7 M6 \u00b7 PCD \u00b10.01<\/text>\n\n                  <!-- datum A -->\n                  <g transform=\"translate(80,0)\"><path d=\"M 0,0 L 5,-3 L 5,3 Z\" fill=\"#fff\" stroke=\"#FCD34D\" stroke-width=\".4\"\/><rect x=\"5\" y=\"-3.5\" width=\"7\" height=\"7\" fill=\"#fff\" stroke=\"#FCD34D\" stroke-width=\".4\"\/><text x=\"8.5\" y=\"2\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"#0F172A\" text-anchor=\"middle\" font-weight=\"700\">A<\/text><\/g>\n                <\/g>\n\n                <!-- side cross-section inset (knife-edge profile) -->\n                <g transform=\"translate(310,200)\">\n                  <text x=\"0\" y=\"-72\" font-family=\"Roboto Condensed,sans-serif\" font-size=\"8\" font-weight=\"700\" fill=\"#60A5FA\" text-anchor=\"middle\">X-SEC \u00b7 KNIFE-EDGE<\/text>\n                  <path d=\"M -55,-8 L 55,-8 L 55,12 L -55,12 Z\" fill=\"url(#cvfM)\" stroke=\"#1E293B\" stroke-width=\".5\"\/>\n                  <!-- knife edge tip -->\n                  <path d=\"M -22,-8 L -20,-12 L -18,-8 Z M 18,-8 L 20,-12 L 22,-8 Z\" fill=\"#1E40AF\" stroke=\"#60A5FA\" stroke-width=\".5\"\/>\n                  <text x=\"0\" y=\"-22\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"#60A5FA\" text-anchor=\"middle\" font-weight=\"700\">R \u2264 0.1 TIP<\/text>\n                  <!-- phantom glass on top -->\n                  <rect x=\"-30\" y=\"-16\" width=\"60\" height=\"4\" fill=\"rgba(96,165,250,.3)\" stroke=\"#60A5FA\" stroke-width=\".4\" stroke-dasharray=\"2 1.5\"\/>\n                  <text x=\"0\" y=\"-19\" font-family=\"Roboto Mono,monospace\" font-size=\"3.5\" fill=\"#93C5FD\" text-anchor=\"middle\" font-style=\"italic\">phantom glass<\/text>\n                  <g transform=\"translate(-44,-8)\"><path d=\"M 0,0 L 5,-7 L 10,0 Z\" fill=\"none\" stroke=\"#FCD34D\" stroke-width=\".4\"\/><text x=\"5\" y=\"-9\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#FCD34D\" text-anchor=\"middle\">Ra 0.8<\/text><\/g>\n                <\/g>\n\n                <g transform=\"translate(20,30)\">\n                  <rect x=\"0\" y=\"0\" width=\"172\" height=\"84\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">SEALING \u00b7 STANDARD<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6\">\n                    <rect x=\"10\" y=\"28\" width=\"152\" height=\"11\" fill=\"rgba(30,64,175,.55)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"36\" fill=\"#93C5FD\" font-weight=\"700\">CF knife-edge \u25c0<\/text><text x=\"158\" y=\"36\" fill=\"#93C5FD\" font-weight=\"700\" text-anchor=\"end\">UHV \u00b7 Cu gasket<\/text>\n                    <text x=\"14\" y=\"50\" fill=\"#fff\">O-ring face seal<\/text><text x=\"158\" y=\"50\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">AS568A<\/text>\n                    <text x=\"14\" y=\"62\" fill=\"#fff\">Indium wire<\/text><text x=\"158\" y=\"62\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">cryo \/ UHV<\/text>\n                    <text x=\"14\" y=\"74\" fill=\"#FCD34D\">Metal C-seal<\/text><text x=\"158\" y=\"74\" fill=\"rgba(252,211,77,.7)\" text-anchor=\"end\">extreme T<\/text>\n                  <\/g>\n                <\/g>\n                <g transform=\"translate(290,30)\">\n                  <rect x=\"0\" y=\"0\" width=\"180\" height=\"84\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">GLASS \u00b7 COMPRESSION<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6\">\n                    <text x=\"14\" y=\"32\" fill=\"#fff\">Borosilicate<\/text><text x=\"166\" y=\"32\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">20\u201325%<\/text>\n                    <rect x=\"10\" y=\"36\" width=\"160\" height=\"11\" fill=\"rgba(30,64,175,.55)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"44\" fill=\"#93C5FD\" font-weight=\"700\">Sapphire \u25c0<\/text><text x=\"166\" y=\"44\" fill=\"#93C5FD\" font-weight=\"700\" text-anchor=\"end\">15\u201320%<\/text>\n                    <text x=\"14\" y=\"56\" fill=\"#fff\">Fused silica<\/text><text x=\"166\" y=\"56\" fill=\"rgba(255,255,255,.75)\" text-anchor=\"end\">20\u201325%<\/text>\n                    <text x=\"14\" y=\"68\" fill=\"#FCD34D\">ZnSe \u00b7 BaF\u2082 IR<\/text><text x=\"166\" y=\"68\" fill=\"rgba(252,211,77,.7)\" text-anchor=\"end\">10\u201315%<\/text>\n                    <text x=\"14\" y=\"79\" fill=\"rgba(203,213,225,.7)\">brittle = lighter clamp<\/text>\n                  <\/g>\n                <\/g>\n                <g transform=\"translate(20,232)\">\n                  <rect x=\"0\" y=\"0\" width=\"172\" height=\"108\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">VIEWPORT \u00b7 FORM<\/text>\n                  <g transform=\"translate(28,48)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"10\" fill=\"none\" stroke=\"#60A5FA\" stroke-width=\".8\"\/>\n                    <circle cx=\"0\" cy=\"0\" r=\"6\" fill=\"#0F172A\"\/>\n                    <text x=\"0\" y=\"22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#60A5FA\" text-anchor=\"middle\" font-weight=\"700\">CF RND \u25c0<\/text>\n                  <\/g>\n                  <g transform=\"translate(64,48)\">\n                    <circle cx=\"0\" cy=\"0\" r=\"10\" fill=\"none\" stroke=\"#CBD5E1\" stroke-width=\".6\"\/>\n                    <circle cx=\"0\" cy=\"0\" r=\"6\" fill=\"#0F172A\"\/>\n                    <circle cx=\"0\" cy=\"0\" r=\"8\" fill=\"none\" stroke=\"rgba(203,213,225,.5)\" stroke-width=\".4\" stroke-dasharray=\"1 1\"\/>\n                    <text x=\"0\" y=\"22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#CBD5E1\" text-anchor=\"middle\" font-weight=\"700\">O-RNG<\/text>\n                  <\/g>\n                  <g transform=\"translate(102,48)\">\n                    <rect x=\"-10\" y=\"-7\" width=\"20\" height=\"14\" fill=\"none\" stroke=\"#CBD5E1\" stroke-width=\".6\"\/>\n                    <rect x=\"-6\" y=\"-4\" width=\"12\" height=\"8\" fill=\"#0F172A\"\/>\n                    <text x=\"0\" y=\"22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#CBD5E1\" text-anchor=\"middle\" font-weight=\"700\">RECT<\/text>\n                  <\/g>\n                  <g transform=\"translate(140,48)\">\n                    <ellipse cx=\"0\" cy=\"0\" rx=\"11\" ry=\"8\" fill=\"none\" stroke=\"#CBD5E1\" stroke-width=\".6\" transform=\"rotate(-25)\"\/>\n                    <ellipse cx=\"0\" cy=\"0\" rx=\"6\" ry=\"4\" fill=\"#0F172A\" transform=\"rotate(-25)\"\/>\n                    <text x=\"0\" y=\"22\" font-family=\"Roboto Mono,monospace\" font-size=\"4.5\" fill=\"#CBD5E1\" text-anchor=\"middle\" font-weight=\"700\">ANGLED<\/text>\n                  <\/g>\n                  <line x1=\"14\" y1=\"78\" x2=\"158\" y2=\"78\" stroke=\"rgba(255,255,255,.15)\" stroke-width=\".4\"\/>\n                  <text x=\"86\" y=\"90\" font-family=\"Roboto Mono,monospace\" font-size=\"5\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"middle\">5-AXIS \u00b7 ANY APERTURE<\/text>\n                  <text x=\"86\" y=\"100\" font-family=\"Roboto Mono,monospace\" font-size=\"4\" fill=\"rgba(96,165,250,.85)\" text-anchor=\"middle\" font-weight=\"700\">UP TO \u00d8350 mm<\/text>\n                <\/g>\n                <g transform=\"translate(220,232)\">\n                  <rect x=\"0\" y=\"0\" width=\"252\" height=\"108\" fill=\"rgba(15,23,42,.4)\" stroke=\"#475569\" stroke-width=\"1\" stroke-dasharray=\"4 3\" rx=\"6\"\/>\n                  <text x=\"10\" y=\"14\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.55)\" letter-spacing=\"1\">MATERIAL \u00b7 TREATMENT<\/text>\n                  <g font-family=\"Roboto Mono,monospace\" font-size=\"6.5\">\n                    <rect x=\"10\" y=\"28\" width=\"232\" height=\"11\" fill=\"rgba(30,64,175,.55)\" rx=\"2\"\/>\n                    <text x=\"14\" y=\"36\" fill=\"#93C5FD\" font-weight=\"700\">SUS316L EP \u25c0<\/text><text x=\"238\" y=\"36\" fill=\"#93C5FD\" font-weight=\"700\" text-anchor=\"end\">UHV \/ CF \/ semi<\/text>\n                    <text x=\"14\" y=\"52\" fill=\"#fff\">SUS304 passiv.<\/text><text x=\"238\" y=\"52\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">general vacuum<\/text>\n                    <text x=\"14\" y=\"68\" fill=\"#fff\">Al 6061 black ano<\/text><text x=\"238\" y=\"68\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">anti-reflection<\/text>\n                    <text x=\"14\" y=\"84\" fill=\"#fff\">Al 6061 hard ano<\/text><text x=\"238\" y=\"84\" fill=\"rgba(255,255,255,.65)\" text-anchor=\"end\">door + viewport<\/text>\n                    <text x=\"14\" y=\"100\" fill=\"rgba(203,213,225,.85)\">Bead-blast + phos.<\/text><text x=\"238\" y=\"100\" fill=\"rgba(203,213,225,.7)\" text-anchor=\"end\">steel anti-glare<\/text>\n                  <\/g>\n                <\/g>\n                <text x=\"468\" y=\"20\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"rgba(255,255,255,.4)\" text-anchor=\"end\" letter-spacing=\"1\">SCALE 1:1 \u00b7 MM<\/text>\n              <\/svg>\n            <\/div>\n            <div class=\"hxc-hero2-chips\">\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">Semi \u00b7 Optical \u00b7 Photonic \u00b7 Research \u00b7 Medical<\/div><div class=\"hxc-hero2-chip-l\">Applications<\/div><\/div>\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">SUS316L EP \u00b7 SUS304 \u00b7 Al 6061 black ano<\/div><div class=\"hxc-hero2-chip-l\">Materials<\/div><\/div>\n              <div class=\"hxc-hero2-chip\"><div class=\"hxc-hero2-chip-v\">48<span>hr<\/span> Quote \u00b7 6-Day Proto<\/div><div class=\"hxc-hero2-chip-l\">Service<\/div><\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <div class=\"hxc-stats\">\n    <div class=\"hxc-sg\">\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">\u22640.008mm<\/div><div class=\"hxc-sl2\">Viewport Face Flatness<br>uniform compression<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">\u00b10.02mm<\/div><div class=\"hxc-sl2\">Groove Tolerance<br>sealing precision<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">CF \/ O-ring<\/div><div class=\"hxc-sl2\">Standards Supported<br>both available<\/div><\/div>\n      <div class=\"hxc-st\"><div class=\"hxc-sn\">6 Days<\/div><div class=\"hxc-sl2\">Fastest Delivery<br>prototype orders<\/div><\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s\">\n    <div class=\"hxc-inner\">\n      <span class=\"hxc-ey\">Machining Challenges<\/span>\n      <h2 class=\"hxc-h2\">Viewport Frame Challenges<\/h2>\n      <p class=\"hxc-sub\" style=\"margin-bottom:36px\">A viewport frame must apply uniform compressive load around the entire viewport aperture \u2014 non-uniform compression cracks the viewport glass and creates leak paths simultaneously.<\/p>\n      <div class=\"hxc-chg\">\n        <div class=\"hxc-chc hxc-rv\"><div class=\"hxc-chi\">\ud83d\udcd0<\/div><div class=\"hxc-cht\">Uniform Compression Geometry<\/div><div class=\"hxc-chd\">The viewport contact face must be flat to \u2264 0.008 mm, and the clamping bolt pattern must be symmetric. Any face waviness or asymmetric bolt pattern applies non-uniform load, cracking brittle viewport glass.<\/div><\/div>\n        <div class=\"hxc-chc hxc-rv\"><div class=\"hxc-chi\">\u2295<\/div><div class=\"hxc-cht\">Sealing Groove Precision<\/div><div class=\"hxc-chd\">O-ring or indium wire sealing groove dimensions must be maintained to \u00b10.02 mm \u2014 ensuring the correct compression percentage for leak-free sealing without over-stressing the viewport.<\/div><\/div>\n        <div class=\"hxc-chc hxc-rv\"><div class=\"hxc-chi\">\u2728<\/div><div class=\"hxc-cht\">Surface Quality for Optical Access<\/div><div class=\"hxc-chd\">The viewport frame must not have internal surfaces that reflect or scatter light into the process observation field. Anodized black interior or Ra 0.8 \u00b5m on internal optical-path surfaces minimises stray light.<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s-cd\" id=\"hxc-gal\">\n    <div class=\"hxc-inner\">\n      <div class=\"hxc-gh\">\n        <div>\n          <span class=\"hxc-ey\">Our Work<\/span>\n          <h2 class=\"hxc-h2\">Chamber Viewport Frames We've Made<\/h2>\n          <p class=\"hxc-sub\">Real CNC machined semiconductor components \u2014 cleaned, inspected, and cleanroom-packaged.<\/p>\n        <\/div>\n        <a class=\"hxc-btn hxc-o\" href=\"#hxc-cta\" style=\"flex-shrink:0\">Request Similar Part <span class=\"hxc-ar\">\u2192<\/span><\/a>\n      <\/div>\n      <div class=\"hxc-gg\">\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"CF Viewport Flange Frame\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/CF-Viewport-Flange-Frame.jpg\"><span class=\"hxc-gtag\">SUS316L \u00b7 CF<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">CF Viewport Flange Frame<\/div><div class=\"hxc-gm\">CF35 \u00b7 Ra 0.8\u00b5m \u00b7 10 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"O-Ring Viewport Frame\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/O-Ring-Viewport-Frame.jpg\"><span class=\"hxc-gtag\">Al 6061 \u00b7 O-ring<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">O-Ring Viewport Frame<\/div><div class=\"hxc-gm\">KF40 compatible \u00b7 Ano \u00b7 8 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Large Format Viewport Frame\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Large-Format-Viewport-Frame.jpg\"><span class=\"hxc-gtag\">SUS316L \u00b7 Large<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Large Format Viewport Frame<\/div><div class=\"hxc-gm\">CF100 \u00b7 5 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Custom Shape Viewport Frame\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Custom-Shape-Viewport-Frame.jpg\"><span class=\"hxc-gtag\">Al 6061 \u00b7 Custom<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Custom Shape Viewport Frame<\/div><div class=\"hxc-gm\">Non-round \u00b7 6 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"UHV Viewport Frame\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/UHV-Viewport-Frame.jpg\"><span class=\"hxc-gtag\">SUS316L \u00b7 UHV<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">UHV Viewport Frame<\/div><div class=\"hxc-gm\">CF \u00b7 &lt;1e-9 \u00b7 4 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Angled Viewport Frame\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Angled-Viewport-Frame.jpg\"><span class=\"hxc-gtag\">SUS316L \u00b7 Angled<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Angled Viewport Frame<\/div><div class=\"hxc-gm\">30\u00b0 tilt \u00b7 4 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Standard CF16 Viewport Frame\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Standard-CF16-Viewport-Frame.jpg\"><span class=\"hxc-gtag\">Al 6061 \u00b7 Standard<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Standard CF16 Viewport Frame<\/div><div class=\"hxc-gm\">Black ano \u00b7 20 pcs<\/div><\/div><\/div>\n        <div class=\"hxc-gc\"><img decoding=\"async\" alt=\"Viewport Frames Batch\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Viewport-Frames-Batch.jpg\"><span class=\"hxc-gtag\">SUS316L \u00b7 Batch<\/span><div class=\"hxc-gov\"><div class=\"hxc-gn\">Viewport Frames Batch<\/div><div class=\"hxc-gm\">15 pcs \u00b7 CMM+He test<\/div><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s-sf\">\n    <div class=\"hxc-inner\">\n      <span class=\"hxc-ey\">Capabilities &amp; Tolerances<\/span>\n      <h2 class=\"hxc-h2\">What We Can Deliver<\/h2>\n      <p class=\"hxc-sub\" style=\"margin-bottom:36px\">Typical specifications \u2014 confirm exact requirements at enquiry.<\/p>\n      <div class=\"hxc-cap-grid\">\n        <table class=\"hxc-cap-tbl\">\n          <tr><td>Viewport face flatness<\/td><td>\u2264 0.008 mm<\/td><\/tr>\n          <tr><td>Sealing groove tolerance<\/td><td>\u00b10.02 mm depth \/ width<\/td><\/tr>\n          <tr><td>CF knife-edge<\/td><td>PNEUROP, R \u2264 0.1 mm tip<\/td><\/tr>\n          <tr><td>Internal Ra<\/td><td>0.8 \u00b5m (anti-reflection)<\/td><\/tr>\n          <tr><td>Max viewport aperture<\/td><td>\u00d8200 mm (standard stock)<\/td><\/tr>\n          <tr><td>Helium test<\/td><td>Available for vacuum-rated frames<\/td><\/tr>\n        <\/table>\n        <table class=\"hxc-cap-tbl\">\n          <tr><td>Materials<\/td><td>SUS316L, Al 6061 black ano<\/td><\/tr>\n          <tr><td>Viewport standards<\/td><td>CF, KF, custom O-ring<\/td><\/tr>\n          <tr><td>Surface treatment<\/td><td>Black ano, passivation, EP<\/td><\/tr>\n          <tr><td>Cleaning<\/td><td>IPA ultrasonic + cleanroom pack<\/td><\/tr>\n          <tr><td>Lead time (proto)<\/td><td>6\u20139 days<\/td><\/tr>\n          <tr><td>Lead time (batch)<\/td><td>10\u201316 days<\/td><\/tr>\n        <\/table>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s\">\n    <div class=\"hxc-inner\" style=\"text-align:center\">\n      <span class=\"hxc-ey\">How It Works<\/span>\n      <h2 class=\"hxc-h2\" style=\"margin:0 auto 10px\">From Drawing to Cleanroom-Ready Part<\/h2>\n      <p class=\"hxc-sub\" style=\"margin:0 auto\">Upload your drawing \u2014 DFM review, machining, cleaning, inspection, and cleanroom packaging.<\/p>\n      <div class=\"hxc-psg\">\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">01<\/div><div class=\"hxc-pst\">Upload Drawing<\/div><div class=\"hxc-psd\">STEP, DXF, PDF. Include glass spec, sealing standard, cleanliness class.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">02<\/div><div class=\"hxc-pst\">DFM &amp; Quote<\/div><div class=\"hxc-psd\">Free DFM review \u2014 sealing feasibility, glass compression, anti-reflection. Quote in 48 h.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">03<\/div><div class=\"hxc-pst\">Machine, Clean &amp; Inspect<\/div><div class=\"hxc-psd\">CNC machining, ultrasonic clean, CMM, He leak test, cleanroom packaging.<\/div><\/div>\n        <div class=\"hxc-ps\"><div class=\"hxc-psn\">04<\/div><div class=\"hxc-pst\">Ship Worldwide<\/div><div class=\"hxc-psd\">Full dimensional + cleaning record enclosed. DHL \/ FedEx \/ sea freight.<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s-sf\">\n    <div class=\"hxc-inner\">\n      <div style=\"text-align:center;margin-bottom:36px\">\n        <span class=\"hxc-ey\">Reviews<\/span>\n        <h2 class=\"hxc-h2\">Trusted by Semiconductor &amp; Optical Engineers<\/h2>\n      <\/div>\n      <div class=\"hxc-tsg\">\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"Surface cleanliness and packaging met our cleanroom incoming inspection requirements immediately. Dimensional report matched our CMM check perfectly.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">LW<\/div><div><div class=\"hxc-tsnm\">Li Wei<\/div><div class=\"hxc-tsco\">Process Equipment Engineer \u00b7 Taiwan<\/div><\/div><\/div><\/div>\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"HXC understood the vacuum sealing requirements for our chamber components without lengthy explanation. Lead time was exactly as quoted.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">SL<\/div><div><div class=\"hxc-tsnm\">Sophie L.<\/div><div class=\"hxc-tsco\">Equipment Design Engineer \u00b7 South Korea<\/div><\/div><\/div><\/div>\n        <div class=\"hxc-tsi hxc-rv\"><div class=\"hxc-tss\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"hxc-tst\">\"We've sourced wafer handling and chamber parts from HXC for two years. Cleanliness, dimensional accuracy, and batch consistency are excellent.\"<\/div><div class=\"hxc-tshr\"><\/div><div class=\"hxc-tsau\"><div class=\"hxc-tsav\">JT<\/div><div><div class=\"hxc-tsnm\">James T.<\/div><div class=\"hxc-tsco\">Senior Procurement \u00b7 USA<\/div><\/div><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hxc-s\" id=\"hxc-faq\">\n    <div class=\"hxc-inner\">\n      <span class=\"hxc-ey\">FAQ<\/span>\n      <h2 class=\"hxc-h2\">Chamber Viewport Frames \u2014 FAQ<\/h2>\n      <p class=\"hxc-sub\" style=\"margin-bottom:40px\">Engineering and procurement questions answered by our semiconductor components team.<\/p>\n      <div class=\"hxc-faq-grid\">\n        <div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">How do you ensure uniform compression of the viewport window?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Uniform compression requires: <strong>(1) Face flatness \u2264 0.008 mm<\/strong> verified by CMM; <strong>(2) Symmetric bolt pattern<\/strong> \u2014 all fastener holes at equal pitch radius \u00b10.01 mm; <strong>(3) Groove centreline position<\/strong> within \u00b10.02 mm of the viewport aperture centreline. Together, these ensure the O-ring or CF gasket compresses uniformly around the full viewport perimeter.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What sealing standards are supported for viewport frames?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\"><strong>CF ConFlat knife-edge<\/strong> (copper or aluminium gasket, UHV grade) machined to DIN 28403. <strong>O-ring face seal<\/strong> (AS568A \/ BS1806) for the relevant O-ring cross-section. <strong>Indium wire seal<\/strong> for UHV rectangular viewports. Specify your viewport glass supplier and we confirm the sealing interface geometry.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">Can viewport frames include anti-reflection surface treatment?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Yes \u2014 viewport frame interior surfaces can be <strong>black hard anodized<\/strong> (Type III black) for aluminium frames, or <strong>bead-blasted + black phosphating<\/strong> for steel frames. Both significantly reduce stray light reflections from the frame interior that would otherwise appear in process monitoring images.<\/div><\/div>\n        <\/div>\n        <div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What viewport glass materials are compatible with your frames?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">All standard viewport glass materials: <strong>borosilicate (Pyrex)<\/strong>, <strong>fused silica \/ quartz<\/strong>, <strong>sapphire<\/strong>, <strong>ZnSe<\/strong> (IR), and <strong>BaF\u2082<\/strong>. Frame groove geometry is dimensioned for the specific glass thickness and required compression percentage \u2014 overly tight compression cracks brittle IR window materials.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">Can viewports be custom-designed for non-circular apertures?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Yes \u2014 rectangular, oval, and custom-profile viewport frames are machined on our 5-axis CNC machines. The sealing groove follows the profile continuously. For rectangular frames: corner geometry is machined with a defined radius to prevent stress concentration in the glass.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is the maximum viewport aperture size?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Standard stock frames: \u00d8200 mm (CF200 \/ KF200). Custom frames: up to \u00d8350 mm. Rectangular viewports: up to 300 \u00d7 200 mm aperture. Larger sizes available on request.<\/div><\/div>\n          <div class=\"hxc-faq-item\"><button aria-expanded=\"false\" class=\"hxc-faq-q\" onclick=\"hxcFaq(this)\">What is the lead time?<span class=\"hxc-faq-icon\">+<\/span><\/button><div class=\"hxc-faq-body\">Prototype: <strong>6\u20139 days<\/strong>. Batch: 10\u201316 days. UHV CF viewport frames with helium test: add 1\u20132 days.<\/div><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How do you ensure uniform compression of the viewport window?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Face flatness \u22640.008 mm verified by CMM, symmetric bolt pattern at equal pitch radius \u00b10.01 mm, groove centreline within \u00b10.02 mm of aperture centreline.\"}},{\"@type\":\"Question\",\"name\":\"What viewport glass materials are compatible?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Borosilicate, fused silica, sapphire, ZnSe IR, BaF\u2082. 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UHV CF viewport frames with helium test: add 1\u20132 days.\"}}]}\n<\/script>\n\n<script>\nfunction hxcFaq(btn){var body=btn.nextElementSibling;var isOpen=btn.classList.contains('open');btn.classList.toggle('open',!isOpen);btn.setAttribute('aria-expanded',String(!isOpen));body.classList.toggle('open',!isOpen);}\nvar hxcObs=new IntersectionObserver(function(entries){entries.forEach(function(e,i){if(e.isIntersecting){setTimeout(function(){e.target.classList.add('in');},i*90);}});},{threshold:.08});\ndocument.querySelectorAll('.hxc-rv').forEach(function(el){hxcObs.observe(el);});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-c4d76e7 e-con-full e-flex e-con e-parent\" data-id=\"c4d76e7\" data-element_type=\"container\" data-e-type=\"container\" id=\"hxc-cta\">\n\t\t<div class=\"elementor-element elementor-element-1a09d8d7 e-con-full e-flex e-con e-child\" data-id=\"1a09d8d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-508dcb7d elementor-widget elementor-widget-html\" data-id=\"508dcb7d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- HXCNC CTA Left Panel | namespace .HXCL | Elementor HTML Widget -->\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Condensed:wght@400;700;900&family=Roboto+Mono:wght@400;500&display=swap\" rel=\"stylesheet\">\n<style>\n.HXCL{\n  --bg:#F7F9FC;--wh:#FFFFFF;--lt:#EEF3F8;\n  --tx:#1F2937;--tx1:#5B6777;--tx2:#9CA8B4;--bd:#D7E0EA;\n  --a:#2563EB;--a2:#1D4ED8;--aA:rgba(37,99,235,.07);--aC:rgba(37,99,235,.20);\n  --ac:#0F766E;--acA:rgba(15,118,110,.08);--acB:rgba(15,118,110,.15);--acC:rgba(15,118,110,.22);\n  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*{position:relative;z-index:1;}\n\n\/* eyebrow *\/\n.HXCL .eyebrow{\n  display:inline-flex;align-items:center;gap:8px;\n  font-family:var(--fm);font-size:11px;font-weight:500;\n  letter-spacing:3px;text-transform:uppercase;\n  color:var(--ac);margin-bottom:18px;\n}\n.HXCL .eyebrow::before{content:'';width:16px;height:1.5px;background:var(--ac);}\n\n\/* headline *\/\n.HXCL .headline{\n  font-family:var(--fh);\n  font-size:clamp(32px,3.4vw,50px);\n  font-weight:900;\n  line-height:.92;\n  letter-spacing:-1.5px;\n  color:var(--tx);\n  margin-bottom:16px;\n}\n.HXCL .headline em{color:var(--ac);font-style:normal;}\n\n\/* sub *\/\n.HXCL .sub{\n  font-size:14px;color:var(--tx1);line-height:1.82;\n  max-width:380px;margin-bottom:32px;\n}\n\n\/* \u2500\u2500 STATS \u2500\u2500 *\/\n.HXCL .stats{\n  display:grid;grid-template-columns:repeat(3,1fr);\n  gap:1px;background:var(--bd);\n  border:1.5px solid var(--bd);border-radius:14px;\n  overflow:hidden;margin-bottom:32px;\n}\n.HXCL .stat{\n  padding:16px 14px;background:var(--wh);\n  transition:background .18s;\n}\n.HXCL .stat:hover{background:var(--lt);}\n.HXCL .stat .sv{\n  font-family:var(--fh);font-size:22px;font-weight:900;\n  color:var(--ac);line-height:1;margin-bottom:4px;\n}\n.HXCL .stat .sv small{font-size:14px;color:var(--tx2);}\n.HXCL .stat .sl{\n  font-family:var(--fm);font-size:9px;color:var(--tx2);\n  letter-spacing:1.5px;text-transform:uppercase;\n}\n\n\/* \u2500\u2500 ADVANTAGE LIST \u2500\u2500 *\/\n.HXCL .avlist{display:flex;flex-direction:column;gap:9px;margin-bottom:28px;}\n.HXCL .avitem{\n  display:flex;align-items:flex-start;gap:12px;\n  padding:14px 16px;\n  background:var(--wh);border:1.5px solid var(--bd);border-radius:13px;\n  transition:border-color .18s, box-shadow .18s;\n}\n.HXCL .avitem:hover{\n  border-color:var(--acC);\n  box-shadow:0 4px 16px var(--acA);\n}\n.HXCL .avitem .ico{\n  width:34px;height:34px;border-radius:8px;flex-shrink:0;\n  background:var(--acA);border:1px solid var(--acC);\n  display:flex;align-items:center;justify-content:center;font-size:15px;\n  transition:background .18s;\n}\n.HXCL .avitem:hover .ico{background:var(--acB);}\n.HXCL .avitem .at{\n  font-family:var(--fh);font-size:14px;font-weight:700;\n  color:var(--tx);margin-bottom:2px;line-height:1.2;\n}\n.HXCL .avitem .ad{\n  font-size:12px;color:var(--tx1);line-height:1.62;\n}\n\n\/* \u2500\u2500 CERT TAGS \u2500\u2500 *\/\n.HXCL .certs{\n  display:flex;flex-wrap:wrap;gap:7px;\n  padding-top:20px;border-top:1.5px solid var(--bd);\n}\n.HXCL .cert{\n  padding:4px 11px;border-radius:100px;\n  background:var(--lt);border:1px solid var(--bd);\n  font-family:var(--fm);font-size:10px;color:var(--tx2);letter-spacing:.8px;\n}\n.HXCL .cert.hi{\n  background:var(--acA);border-color:var(--acC);\n  color:var(--ac);font-weight:700;\n}\n<\/style>\n\n<div class=\"HXCL\">\n<div class=\"panel\">\n\n  <div class=\"eyebrow\">Get a Quote<\/div>\n\n  <h2 class=\"headline\">\n    Send Your Drawing.<br><em>Get a Quote.<\/em>\n  <\/h2>\n\n  <p class=\"sub\">Every enquiry includes a DFM review \u2014 tolerance feasibility, material confirmation, and process approach confirmed before production starts. MOQ 1 piece.<\/p>\n\n  <!-- Stats row -->\n  <div class=\"stats\">\n    <div class=\"stat\">\n      <div class=\"sv\">24<small>hr<\/small><\/div>\n      <div class=\"sl\">Quote Response<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">MOQ <small>1<\/small><\/div>\n      <div class=\"sl\">Prototypes OK<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">ISO<\/div>\n      <div class=\"sl\">9001:2015<\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Advantage list -->\n  <div class=\"avlist\">\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128208;<\/div>\n      <div>\n        <div class=\"at\">DFM Review on Every Enquiry<\/div>\n        <div class=\"ad\">Tolerance feasibility, fixturing strategy, and material confirmation. Specific, actionable feedback \u2014 not generic pushback.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#127919;<\/div>\n      <div>\n        <div class=\"at\">First Article Inspection \u2014 Standard<\/div>\n        <div class=\"ad\">FAI report on every new run. Material certs and surface treatment certs included with every shipment.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128260;<\/div>\n      <div>\n        <div class=\"at\">Same Process: Prototype to Production<\/div>\n        <div class=\"ad\">Process plan from your prototype applies to production batches. No re-qualification when you scale.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#9881;<\/div>\n      <div>\n        <div class=\"at\">3 \/ 4 \/ 5-Axis CNC + Turning<\/div>\n        <div class=\"ad\">Complex structural parts, shafts, housings, and transmission components. Metals and engineering plastics.<\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Cert tags -->\n  <div class=\"certs\">\n    <span class=\"cert hi\">ISO 9001:2015<\/span>\n    <span class=\"cert\">3\/4\/5-Axis Milling<\/span>\n    <span class=\"cert\">CNC Turning<\/span>\n    <span class=\"cert\">CMM Inspection<\/span>\n    <span class=\"cert\">Global Delivery<\/span>\n  <\/div>\n\n<\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1ed83b4e e-con-full e-flex e-con e-child\" data-id=\"1ed83b4e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5623138e elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"5623138e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"1185\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"5623138e\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Optical-Grade Vacuum Chamber Viewport Frames\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"1185\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_12786b6 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_12786b6\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCompany\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_12786b6]\" id=\"form-field-field_12786b6\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-field_0c79fc0 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_0c79fc0\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMaterial\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[field_0c79fc0]\" id=\"form-field-field_0c79fc0\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"aluminium_6061_t6\">Aluminium 6061-T6<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"aluminium_7075_t6\">Aluminium 7075-T6<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"stainless_steel_304\">Stainless Steel 304<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"stainless_steel_316l\">Stainless Steel 316L<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"carbon_steel_4140\">Carbon Steel \/ 4140<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"titanium_ti_6al_4v\">Titanium Ti-6Al-4V<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"brass_c360\">Brass C360<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"copper\">Copper<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"peek\">PEEK<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"pom_acetal\">POM \/ Acetal<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"nylon_pa6_pa66\">Nylon PA6 \/ PA66<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"ptfe_teflon\">PTFE \/ Teflon<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"polycarbonate\">Polycarbonate<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"abs\">ABS<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"other_not_sure\">Other \/ Not sure<\/option>\n\t\t\t\t\t\t\t<\/select>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-field_161b5ef elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_161b5ef\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tSurface Finish\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[field_161b5ef]\" id=\"form-field-field_161b5ef\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"as_machined\">As-machined<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"anodised_type_ii\">Anodised Type II<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"anodised_type_iii_hard\">Anodised Type III (Hard)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"electroplating\">Electroplating<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"powder_coating\">Powder Coating<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"black_oxide\">Black Oxide<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"passivation_ss\">Passivation (SS)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"polishing_ra_requirement\">Polishing \/ Ra requirement<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"other_specify_below\">Other (specify below)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Select \">Select finish (optional)<\/option>\n\t\t\t\t\t\t\t<\/select>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tAdditional Requirements\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Target delivery date, critical dimensions, tolerance callouts, inspection requirements, application context...\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-upload elementor-field-group elementor-column elementor-field-group-field_0071b0f elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_0071b0f\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tFile Upload\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_0071b0f]\" id=\"form-field-field_0071b0f\" class=\"elementor-field elementor-size-sm  elementor-upload-field\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-arrow-alt-circle-right\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256s111 248 248 248 248-111 248-248zm-448 0c0-110.5 89.5-200 200-200s200 89.5 200 200-89.5 200-200 200S56 366.5 56 256zm72 20v-40c0-6.6 5.4-12 12-12h116v-67c0-10.7 12.9-16 20.5-8.5l99 99c4.7 4.7 4.7 12.3 0 17l-99 99c-7.6 7.6-20.5 2.2-20.5-8.5v-67H140c-6.6 0-12-5.4-12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit Enquiry<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Product Category Flatness \u22640.008 \u00b7 Groove \u00b10.02 \u00b7 CF Knife R\u22640.1 \u00b7 He Leak CVF \/ 021 \u2014 030 Optical-Grade VacuumChamber Viewport Frames Precision CNC machined vacuum chamber viewport frames \u2014 viewport mounting face flatness \u2264 0.008 mm, compression groove tolerance \u00b10.02 mm, sealing face Ra 0.8 \u00b5m. SUS316L or Al 6061 for CF viewport [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4070,"parent":39,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1185","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Optical-Grade Vacuum Chamber Viewport Frames<\/title>\n<meta name=\"description\" content=\"Precision CNC machined vacuum chamber viewport frames \u2014 viewport mounting face flatness \u2264 0.008 mm, compression groove tolerance \u00b10.02 mm, sealing face Ra 0.8 \u00b5m.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hxcnc.com\/ro\/product\/chamber-viewport-frame\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chamber Viewport Frames\" \/>\n<meta property=\"og:description\" content=\"Precision CNC machined vacuum chamber viewport frames \u2014 viewport mounting face flatness \u2264 0.008 mm, compression groove tolerance \u00b10.02 mm, sealing face Ra 0.8 \u00b5m.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hxcnc.com\/ro\/product\/chamber-viewport-frame\/\" \/>\n<meta property=\"og:site_name\" content=\"HXCNC | Precision CNC Machining Manufacturer\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-01T10:02:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/06\/Viewport-Frames-Batch.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1129\" \/>\n\t<meta property=\"og:image:height\" content=\"1129\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/chamber-viewport-frame\\\/\",\"url\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/chamber-viewport-frame\\\/\",\"name\":\"Optical-Grade Vacuum Chamber Viewport Frames\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hxcnc.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/chamber-viewport-frame\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/chamber-viewport-frame\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hxcnc.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Viewport-Frames-Batch.jpg\",\"datePublished\":\"2026-04-10T07:39:22+00:00\",\"dateModified\":\"2026-06-01T10:02:34+00:00\",\"description\":\"Precision CNC machined vacuum chamber viewport frames \u2014 viewport mounting face flatness \u2264 0.008 mm, compression groove tolerance \u00b10.02 mm, sealing face Ra 0.8 \u00b5m.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/chamber-viewport-frame\\\/#breadcrumb\"},\"inLanguage\":\"ro-RO\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/hxcnc.com\\\/product\\\/chamber-viewport-frame\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ro-RO\",\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/chamber-viewport-frame\\\/#primaryimage\",\"url\":\"https:\\\/\\\/hxcnc.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Viewport-Frames-Batch.jpg\",\"contentUrl\":\"https:\\\/\\\/hxcnc.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Viewport-Frames-Batch.jpg\",\"width\":1129,\"height\":1129},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/chamber-viewport-frame\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/hxcnc.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Product\",\"item\":\"https:\\\/\\\/hxcnc.com\\\/product\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Chamber Viewport Frames\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/hxcnc.com\\\/#website\",\"url\":\"https:\\\/\\\/hxcnc.com\\\/\",\"name\":\"HXCNC | Precision CNC Machining Manufacturer\",\"description\":\"HXCNC provides precision CNC machining, CNC milling, CNC turning, 5-axis machining, Swiss turning, grinding, and surface finishing services for prototypes and production parts. 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