{"id":2419,"date":"2021-10-13T13:48:39","date_gmt":"2021-10-13T11:48:39","guid":{"rendered":"https:\/\/www.filtrop.com\/optische-rohmaterialien\/silizum-und-germanium\/"},"modified":"2022-02-15T11:56:17","modified_gmt":"2022-02-15T10:56:17","slug":"silicon-and-germanium","status":"publish","type":"page","link":"https:\/\/www.filtrop.com\/en\/products\/optical-raw-materials\/silicon-and-germanium\/","title":{"rendered":"Silicon and Germanium"},"content":{"rendered":"\n<p><strong>We supply high quality silicon and germanium crystals, produced by the Czochralski process.<\/strong><\/p>\n\n\n\n<p>The properties such as electrical resistance, IR transmission, crystal orientation and residual stress of the crystals can be adjusted according to customer requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"our-delivery-program-includes\">Our delivery program includes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"blanks\">Blanks<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Customised sizes<\/li><li>\u00d8 up to 457.2 mm<\/li><li>Thickness up to 381 mm<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cnc-machined-parts\">CNC machined parts<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Complex geometries<\/li><li>Sizes up to 444.5 mm<\/li><li>Tolerances smaller than 0.015 mm<\/li><li>Surface roughness up to 16 \u00b5m<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"curved-surfaces\">Curved surfaces<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Sizes up to \u00d8 368.3 mm<\/li><li>Sag tolerance: \u00b11 \u00b5m<\/li><li>Aspheres: Near net curve fit available<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"polished-substrates\"><strong>Polished substrates<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Flat larger \u00d8 355.6 mm, spherical larger \u00d8 203.2 mm possible<\/li><li>S\/D: better than 20\/10<\/li><li>Surface roughness: flat less than 15 \u00c5, spherical on request<\/li><li>Flatness: flat better than \u03bb\/10, spherical better than \u03bb\/4<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"application\">Application<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Infrared windows and lenses<\/li><li>Laser mirrors<\/li><li>Wafers for semiconductors<\/li><li>Coating materials<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"transmission-curve-silicon\">Transmission curve Silicon<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"589\" height=\"250\" src=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/transmissionskurve-silizium.png\" alt=\"\" class=\"wp-image-1470\" srcset=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/transmissionskurve-silizium.png 589w, https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/transmissionskurve-silizium-300x127.png 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"transmission-curve-germanium\">Transmission curve Germanium<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"589\" height=\"200\" src=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/transmissionskurve-germanium.png\" alt=\"\" class=\"wp-image-1469\" srcset=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/transmissionskurve-germanium.png 589w, https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/transmissionskurve-germanium-300x102.png 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"751\" height=\"581\" data-id=\"1422\" src=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-3.jpg\" alt=\"\" class=\"wp-image-1422\" srcset=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-3.jpg 751w, https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-3-300x232.jpg 300w, https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-3-600x464.jpg 600w\" sizes=\"(max-width: 751px) 100vw, 751px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"751\" height=\"581\" data-id=\"1421\" src=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-2.jpg\" alt=\"\" class=\"wp-image-1421\" srcset=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-2.jpg 751w, https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-2-300x232.jpg 300w, https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-2-600x464.jpg 600w\" sizes=\"(max-width: 751px) 100vw, 751px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"481\" height=\"384\" data-id=\"1420\" src=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-1.jpg\" alt=\"\" class=\"wp-image-1420\" srcset=\"https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-1.jpg 481w, https:\/\/www.filtrop.com\/wp-content\/uploads\/2021\/10\/silizium-germanium-1-300x240.jpg 300w\" sizes=\"(max-width: 481px) 100vw, 481px\" \/><\/figure>\n<figcaption class=\"blocks-gallery-caption\">Images courtesy of Lattice Materials (<a rel=\"noreferrer noopener\" href=\"http:\/\/www.latticematerials.com\/\" target=\"_blank\">www.latticematerials.com<\/a>).<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>We supply high quality silicon and germanium crystals, produced by the Czochralski process. The properties such as electrical resistance, IR transmission, crystal orientation and residual stress of the crystals can be adjusted according to customer requirements. Our delivery program includes Blanks Customised sizes \u00d8 up to 457.2 mm Thickness up to 381 mm CNC machined [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2342,"parent":2404,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"hf_cat_page":[38],"class_list":["post-2419","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"acf":[],"_links":{"self":[{"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/pages\/2419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/comments?post=2419"}],"version-history":[{"count":2,"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/pages\/2419\/revisions"}],"predecessor-version":[{"id":3400,"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/pages\/2419\/revisions\/3400"}],"up":[{"embeddable":true,"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/pages\/2404"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/media\/2342"}],"wp:attachment":[{"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/media?parent=2419"}],"wp:term":[{"taxonomy":"hf_cat_page","embeddable":true,"href":"https:\/\/www.filtrop.com\/en\/wp-json\/wp\/v2\/hf_cat_page?post=2419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}