{"id":7210,"date":"2025-11-25T10:32:34","date_gmt":"2025-11-25T02:32:34","guid":{"rendered":"https:\/\/www.sic-wafers.com\/?p=7210"},"modified":"2025-11-27T09:58:28","modified_gmt":"2025-11-27T01:58:28","slug":"the-secret-of-a-300-mm-silicon-wafer-how-many-chips-can-it-hold","status":"publish","type":"post","link":"https:\/\/www.sic-wafers.com\/sv\/the-secret-of-a-300-mm-silicon-wafer-how-many-chips-can-it-hold\/","title":{"rendered":"Hemligheten bakom en 300 mm kiselskiva: Hur m\u00e5nga chip ryms p\u00e5 den?"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div>\n<p>N\u00e4r du h\u00e5ller i en smartphone eller ett datorchip t\u00e4nker du kanske inte p\u00e5 varifr\u00e5n det kommer. Varje chip har sitt ursprung i en <strong>300 mm (12 tum) rund kiselskiva<\/strong>. Men hur m\u00e5nga chips kan en enda wafer producera? Svaret \u00e4r enkelt i teorin, men fullt av fascinerande geometriska, fysikaliska och tekniska detaljer.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-90e1404f wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/07\/12inch-silicon-wafer02.png ,https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/07\/12inch-silicon-wafer02.png 780w, https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/07\/12inch-silicon-wafer02.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2024\/07\/12inch-silicon-wafer02.png\" alt=\"300 mm kiselskiva\" class=\"uag-image-6695\" width=\"500\" height=\"500\" title=\"12-tums kiselskiva02\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Fr\u00e5n cirkel till kvadrat: Ett matematiskt pussel<\/h3>\n\n\n\n<p>En 300 mm wafer har en radie p\u00e5 <strong>150 mm<\/strong>, vilket ger den en yta p\u00e5 ungef\u00e4r <strong>70.685 mm\u00b2<\/strong>. Om varje chip \u00e4r <strong>10 mm \u00d7 10 mm<\/strong>, kan skivan teoretiskt sett inneh\u00e5lla cirka <strong>706 chips<\/strong>.<\/p>\n\n\n\n<p>Wafers \u00e4r dock cirkul\u00e4ra medan chips \u00e4r fyrkantiga. Denna obalans skapar <strong>kantf\u00f6rluster<\/strong>, vilket inneb\u00e4r att inte hela waferytan kan utnyttjas. Efter att ha tagit h\u00e4nsyn till dessa f\u00f6rluster \u00e5terst\u00e5r endast cirka <strong>85-90% av det teoretiska maximumet<\/strong> \u00e4r normalt anv\u00e4ndbar. I praktiken producerar en 300 mm skiva ungef\u00e4r <strong>600 anv\u00e4ndbara chips<\/strong> av den storleken.<\/p>\n\n\n\n<p>Om chipet \u00e4r mindre, s\u00e4g <strong>5 mm \u00d7 5 mm<\/strong>, kan skivan h\u00e5lla <strong>cirka 2.400 marker<\/strong>. Mindre sp\u00e5n \u00f6kar produktionen, men inneb\u00e4r ocks\u00e5 utmaningar n\u00e4r det g\u00e4ller sk\u00e4rprecision och hantering av defekter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Avkastningen \u00e4r viktig: Inte alla chip klarar sig<\/h3>\n\n\n\n<p>\u00c4ven efter kapning genomg\u00e5r varje chip testning och kvalitetskontroll. Kantsp\u00e5n eller sp\u00e5n med mikrodefekter kan komma att kasseras. Typiskt f\u00f6r <strong>avkastningskrav<\/strong> varierar fr\u00e5n <strong>80-95%<\/strong>, vilket ytterligare minskar antalet chips som n\u00e5r marknaden.<\/p>\n\n\n\n<p>Det slutliga antalet chip fr\u00e5n en 300 mm wafer beror s\u00e5ledes p\u00e5 <strong>sp\u00e5nstorlek, sk\u00e4rprecision, tillverkningsprocess och avkastning<\/strong>. En enda wafer kan producera allt fr\u00e5n flera hundra till flera tusen chips, beroende p\u00e5 dessa faktorer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Industriellt underverk: Liten wafer, stor p\u00e5verkan<\/h3>\n\n\n\n<p>Det \u00e4r anm\u00e4rkningsv\u00e4rt att en wafer som bara \u00e4r 12 tum i diameter kan producera <strong>tusentals chips<\/strong>, som utg\u00f6r ryggraden i modern elektronik - smarta telefoner, datorer, servrar, elfordon och till och med rymdfarkoster.<\/p>\n\n\n\n<p>I en halvledarfabrik genomg\u00e5r wafers fotolitografi, etsning, dopning och metallisering innan de blir till individuella chip. Varje steg t\u00e4njer p\u00e5 gr\u00e4nserna f\u00f6r geometri och materialvetenskap f\u00f6r att <strong>maximera produktionen, s\u00e4kerst\u00e4lla prestanda och minimera defekter<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Slutsats<\/h3>\n\n\n\n<p>En kiselskiva p\u00e5 300 mm \u00e4r mer \u00e4n bara en bit material - det \u00e4r en uppvisning i teknik och matematik. Fr\u00e5n cirkul\u00e4r wafer till fyrkantiga chips - varje steg visar p\u00e5 precision, optimering och innovation. N\u00e4sta g\u00e5ng du h\u00e5ller i en enhet, kom ih\u00e5g: dess hj\u00e4rna kan komma fr\u00e5n en skiva som \u00e4r knappt en meter bred, men som \u00e4nd\u00e5 kan producera <strong>hundratals eller tusentals intelligenta chips<\/strong>.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>When you hold a smartphone or a computer chip, you might not think about where it came from. Each chip originates from a 300\u202fmm (12-inch) round silicon wafer. But how many chips can a single wafer produce? The answer is simple in theory, yet full of fascinating geometry, physics, and engineering details. From Circle to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7211,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[27],"tags":[1139,1138,1136,1148,1145,1153,1146,1152,1151,1147,1150,1142,1144,1154,1137,1143,1141,1140,1149],"class_list":["post-7210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-companynews","tag-12-inch-wafer","tag-300-mm-wafer","tag-chip-count","tag-chip-size","tag-chip-yield","tag-electronics","tag-ev-chips","tag-high-tech-manufacturing","tag-ic-production","tag-manufacturing-process","tag-photolithography","tag-semi-conductor","tag-semiconductor-fabrication","tag-silicon-engineering","tag-silicon-wafer","tag-smart-devices","tag-wafer-edge-loss","tag-wafer-geometry","tag-wafer-size"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer.webp",750,750,false],"thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer-150x150.webp",150,150,true],"medium":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer-300x300.webp",300,300,true],"medium_large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer.webp",750,750,false],"large":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer.webp",750,750,false],"1536x1536":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer.webp",750,750,false],"2048x2048":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer.webp",750,750,false],"trp-custom-language-flag":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer.webp",12,12,false],"woocommerce_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer-300x300.webp",300,300,true],"woocommerce_single":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer-600x600.webp",600,600,true],"woocommerce_gallery_thumbnail":["https:\/\/www.sic-wafers.com\/wp-content\/uploads\/2025\/11\/300-mm-Silicon-Wafer-100x100.webp",100,100,true]},"uagb_author_info":{"display_name":"lydia","author_link":"https:\/\/www.sic-wafers.com\/sv\/author\/lydia\/"},"uagb_comment_info":0,"uagb_excerpt":"When you hold a smartphone or a computer chip, you might not think about where it came from. Each chip originates from a 300\u202fmm (12-inch) round silicon wafer. But how many chips can a single wafer produce? The answer is simple in theory, yet full of fascinating geometry, physics, and engineering details. From Circle to&hellip;","_links":{"self":[{"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/posts\/7210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/comments?post=7210"}],"version-history":[{"count":2,"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/posts\/7210\/revisions"}],"predecessor-version":[{"id":7310,"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/posts\/7210\/revisions\/7310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/media\/7211"}],"wp:attachment":[{"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/media?parent=7210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/categories?post=7210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/sv\/wp-json\/wp\/v2\/tags?post=7210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}