{"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\/fi\/the-secret-of-a-300-mm-silicon-wafer-how-many-chips-can-it-hold\/","title":{"rendered":"300 mm:n piikiekon salaisuus: Kuinka monta sirua siihen mahtuu?"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div>\n<p>Kun pid\u00e4t k\u00e4dess\u00e4si \u00e4lypuhelinta tai tietokoneen sirua, et ehk\u00e4 ajattele, mist\u00e4 se on per\u00e4isin. Jokainen siru on per\u00e4isin <strong>300 mm:n (12 tuuman) py\u00f6re\u00e4 piikiekko.<\/strong>. Mutta kuinka monta sirua voidaan valmistaa yhdest\u00e4 kiekosta? Vastaus on teoriassa yksinkertainen, mutta t\u00e4ynn\u00e4 kiehtovia geometrian, fysiikan ja tekniikan yksityiskohtia.<\/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=\"300mm piikiekko\" class=\"uag-image-6695\" width=\"500\" height=\"500\" title=\"12 tuuman pii-wafer02\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Ympyr\u00e4st\u00e4 neli\u00f6\u00f6n: Matemaattinen palapeli<\/h3>\n\n\n\n<p>300 mm:n kiekon s\u00e4de on 300 mm. <strong>150 mm<\/strong>, jolloin sen pinta-ala on noin <strong>70,685 mm\u00b2<\/strong>. Jos jokainen siru on <strong>10 mm \u00d7 10 mm<\/strong>, kiekko voisi teoriassa sis\u00e4lt\u00e4\u00e4 noin <strong>706 sirua<\/strong>.<\/p>\n\n\n\n<p>Kiekot ovat kuitenkin py\u00f6reit\u00e4, kun taas sirut ovat neli\u00f6n muotoisia. T\u00e4m\u00e4 ep\u00e4suhta aiheuttaa <strong>reunah\u00e4vi\u00f6t<\/strong>, eli kaikkea kiekon pinta-alaa ei voida k\u00e4ytt\u00e4\u00e4. Kun n\u00e4m\u00e4 h\u00e4vi\u00f6t on otettu huomioon, vain noin <strong>85-90% teoreettisesta enimm\u00e4isarvosta.<\/strong> on yleens\u00e4 k\u00e4ytt\u00f6kelpoinen. K\u00e4yt\u00e4nn\u00f6ss\u00e4 300 mm:n kiekko tuottaa noin <strong>600 k\u00e4ytt\u00f6kelpoista sirua<\/strong> tuon kokoluokan.<\/p>\n\n\n\n<p>Jos siru on pienempi, esimerkiksi <strong>5 mm \u00d7 5 mm<\/strong>, kiekkoon mahtuu <strong>noin 2 400 pelimerkki\u00e4<\/strong>. Pienemm\u00e4t lastut lis\u00e4\u00e4v\u00e4t tuotantoa, mutta aiheuttavat my\u00f6s haasteita leikkaustarkkuuteen ja vikojen hallintaan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tuotto ratkaisee: Kaikki sirut eiv\u00e4t selvi\u00e4<\/h3>\n\n\n\n<p>Leikkauksen j\u00e4lkeenkin jokainen lastu testataan ja sen laatua valvotaan. Reunaiset lastut tai lastut, joissa on mikrovirheit\u00e4, voidaan hyl\u00e4t\u00e4. Tyypillisi\u00e4 <strong>tuottoprosentit<\/strong> vaihtelevat <strong>80-95%<\/strong>, mik\u00e4 v\u00e4hent\u00e4\u00e4 edelleen markkinoille tulevien sirujen m\u00e4\u00e4r\u00e4\u00e4.<\/p>\n\n\n\n<p>N\u00e4in ollen 300 mm:n kiekon lopullinen sirum\u00e4\u00e4r\u00e4 riippuu seuraavista tekij\u00f6ist\u00e4 <strong>lastujen koko, leikkaustarkkuus, valmistusprosessi ja saanto<\/strong>. Yhdest\u00e4 kiekosta voidaan valmistaa muutamasta sadasta useisiin tuhansiin siruihin n\u00e4ist\u00e4 tekij\u00f6ist\u00e4 riippuen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Teollinen ihme: Pieni kiekko, valtava vaikutus<\/h3>\n\n\n\n<p>On h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4, ett\u00e4 vain 12 tuuman halkaisijaltaan oleva kiekko voi tuottaa - <strong>tuhansia siruja<\/strong>, jotka muodostavat nykyaikaisen elektroniikan - \u00e4lypuhelinten, tietokoneiden, palvelimien, s\u00e4hk\u00f6ajoneuvojen ja jopa avaruusalusten - selk\u00e4rangan.<\/p>\n\n\n\n<p>Puolijohdetehtaassa kiekot l\u00e4pik\u00e4yv\u00e4t fotolitografian, etsauksen, seostuksen ja metalloinnin ennen kuin niist\u00e4 tulee yksitt\u00e4isi\u00e4 siruja. Jokainen vaihe asettaa geometrian ja materiaalitieteen rajoja. <strong>maksimoida tuotos, varmistaa suorituskyky ja minimoida viat.<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u00e4\u00e4telm\u00e4<\/h3>\n\n\n\n<p>300 mm:n \/ 12-tuumainen piikiekko on enemm\u00e4n kuin pala materiaalia - se on insin\u00f6\u00f6ritaidon ja matematiikan n\u00e4yteikkuna. Py\u00f6re\u00e4st\u00e4 kiekosta neli\u00f6nmuotoisiin siruihin jokainen vaihe on osoitus tarkkuudesta, optimoinnista ja innovaatiosta. Kun seuraavan kerran pid\u00e4t k\u00e4dess\u00e4si laitetta, muista: sen aivot voivat olla per\u00e4isin tuskin metrin levyiselt\u00e4 kiekolta, joka kuitenkin pystyy tuottamaan seuraavia asioita <strong>satoja tai tuhansia \u00e4lykk\u00e4it\u00e4 siruja<\/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\/fi\/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\/fi\/wp-json\/wp\/v2\/posts\/7210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/comments?post=7210"}],"version-history":[{"count":2,"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/posts\/7210\/revisions"}],"predecessor-version":[{"id":7310,"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/posts\/7210\/revisions\/7310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/media\/7211"}],"wp:attachment":[{"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/media?parent=7210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/categories?post=7210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sic-wafers.com\/fi\/wp-json\/wp\/v2\/tags?post=7210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}