{"id":127365,"date":"2023-06-05T10:41:42","date_gmt":"2023-06-05T02:41:42","guid":{"rendered":"https:\/\/www.alpapowder.com\/127365\/"},"modified":"2023-06-05T10:41:42","modified_gmt":"2023-06-05T02:41:42","slug":"silika-tozunun-4-ana-uygulama-alani","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/tr\/127365\/","title":{"rendered":"Silika tozunun 4 ana uygulama alan\u0131"},"content":{"rendered":"

\"\"<\/p>\n

Asit ve alkali korozyon direnci, y\u00fcksek s\u0131cakl\u0131k direnci, d\u00fc\u015f\u00fck lineer genle\u015fme katsay\u0131s\u0131 ve y\u00fcksek termal iletkenlik avantajlar\u0131ndan dolay\u0131 mikrosilika tozu, ilgili \u00fcr\u00fcnlerin performans\u0131n\u0131 art\u0131rmak i\u00e7in bak\u0131r kapl\u0131 laminatlarda, epoksi kal\u0131plama bile\u015fiklerinde ve di\u011fer alanlarda yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n

1. Bak\u0131r kapl\u0131 laminat<\/p>\n

Bak\u0131r kapl\u0131 laminata silikon mikro toz eklenmesi, bask\u0131l\u0131 devre kart\u0131n\u0131n do\u011frusal genle\u015fme katsay\u0131s\u0131 ve termal iletkenli\u011fi gibi fiziksel \u00f6zelliklerini iyile\u015ftirebilir, b\u00f6ylece elektronik \u00fcr\u00fcnlerin g\u00fcvenilirli\u011fini ve \u0131s\u0131 da\u011f\u0131l\u0131m\u0131n\u0131 etkin bir \u015fekilde geli\u015ftirebilir.<\/p>\n

\u015eu anda, bak\u0131r kapl\u0131 laminatlarda kullan\u0131lan be\u015f tip silika tozu vard\u0131r: kristal silika tozu, erimi\u015f (amorf) silika tozu, k\u00fcresel silika tozu, kompozit silika tozu ve aktif silika tozu.<\/p>\n

K\u00fcresel mikrosilika tozu, y\u00fcksek doldurma, iyi ak\u0131\u015fkanl\u0131k ve m\u00fckemmel dielektrik \u00f6zelliklerinin benzersiz \u00f6zelliklerinden dolay\u0131 y\u00fcksek dolgulu, y\u00fcksek g\u00fcvenilirlikli, y\u00fcksek performansl\u0131 bak\u0131r kapl\u0131 laminatlarda kullan\u0131l\u0131r. Bak\u0131r kapl\u0131 laminatlar i\u00e7in k\u00fcresel silika tozunun ana g\u00f6stergeleri \u015funlard\u0131r: par\u00e7ac\u0131k boyutu da\u011f\u0131l\u0131m\u0131, k\u00fcresellik, safl\u0131k (iletkenlik, manyetik maddeler ve siyah noktalar). \u015eu anda, k\u00fcresel silikon mikro toz esas olarak sert bak\u0131r kapl\u0131 laminatlarda kullan\u0131lmaktad\u0131r ve bak\u0131r kapl\u0131 laminatlarda kar\u0131\u015f\u0131k d\u00f6k\u00fcm oran\u0131 genellikle %20 ila %30’dur; esnek bak\u0131r kapl\u0131 laminatlar\u0131n ve ka\u011f\u0131t bazl\u0131 bak\u0131r kapl\u0131 laminatlar\u0131n kullan\u0131m\u0131 nispeten azd\u0131r.<\/p>\n

2. Epoksi kal\u0131plama bile\u015fimi<\/p>\n

Silikon mikro tozunun epoksi kal\u0131plama bile\u015fi\u011fine doldurulmas\u0131, epoksi re\u00e7inenin sertli\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rabilir, termal iletkenli\u011fi art\u0131rabilir, k\u00fcrlenmi\u015f epoksi re\u00e7inenin reaksiyonunun ekzotermik tepe s\u0131cakl\u0131\u011f\u0131n\u0131 azaltabilir, do\u011frusal genle\u015fme katsay\u0131s\u0131n\u0131 ve k\u00fcrlenme b\u00fcz\u00fclme oran\u0131n\u0131 azaltabilir, i\u00e7 gerilimi azaltabilir ve iyile\u015ftirebilir Epoksi kal\u0131plama bile\u015fi\u011finin mekanik g\u00fcc\u00fc, epoksi kal\u0131plama bile\u015fi\u011finin \u00e7atlama fenomenini azaltabilir, b\u00f6ylece harici zararl\u0131 gaz, nem ve tozun elektronik bile\u015fenlere veya entegre devrelere girmesini etkili bir \u015fekilde \u00f6nleyebilir, titre\u015fimi yava\u015flatabilir, harici kuvvet hasar\u0131n\u0131 \u00f6nleyebilir ve bile\u015fen parametrelerini stabilize edebilir.<\/p>\n

Yayg\u0131n epoksi kal\u0131plama bile\u015fikleri esas olarak %60-90 dolgu maddesi, %18’den az epoksi re\u00e7ine, %9’dan az k\u00fcrleme maddesi ve yakla\u015f\u0131k %3 katk\u0131 maddelerinden olu\u015fur. \u015eu anda kullan\u0131lan inorganik dolgu maddeleri temel olarak %90,5’e varan bir i\u00e7eri\u011fe sahip mikrosilika tozudur. Epoksi kal\u0131plama bile\u015fi\u011fi i\u00e7in silika tozu esas olarak a\u015fa\u011f\u0131daki g\u00f6stergelere odaklan\u0131r:<\/p>\n

(1) Safl\u0131k. Y\u00fcksek safl\u0131k, elektronik \u00fcr\u00fcnlerin malzemeler i\u00e7in en temel gereksinimidir ve gereksinimler VLSI’de daha s\u0131k\u0131d\u0131r. Konvansiyonel safs\u0131zl\u0131k elementlerinin d\u00fc\u015f\u00fck i\u00e7eri\u011fine ek olarak, radyoaktif elementlerin i\u00e7eri\u011finin de m\u00fcmk\u00fcn oldu\u011funca d\u00fc\u015f\u00fck olmas\u0131 veya olmamas\u0131 gerekir. \u00dcretim s\u00fcrecinin ilerlemesiyle birlikte elektronik end\u00fcstrisi, silikon mikro tozun safl\u0131\u011f\u0131 i\u00e7in daha y\u00fcksek gereksinimlere sahiptir.<\/p>\n

(2) Par\u00e7ac\u0131k boyutu ve homojenli\u011fi. VLSI paketleme malzemeleri, ince silikon tozu par\u00e7ac\u0131k boyutu, dar da\u011f\u0131t\u0131m aral\u0131\u011f\u0131 ve iyi bir tekd\u00fczelik gerektirir.<\/p>\n

(3) K\u00fcrele\u015ftirme oran\u0131. Y\u00fcksek k\u00fcreselle\u015fme oran\u0131, dolgu maddelerinin y\u00fcksek ak\u0131\u015fkanl\u0131\u011f\u0131n\u0131 ve y\u00fcksek da\u011f\u0131labilirli\u011fini sa\u011flamak i\u00e7in \u00f6n ko\u015fuldur. Y\u00fcksek k\u00fcreselle\u015fme oran\u0131 ve silikon mikro tozun iyi k\u00fcreselli\u011fi, daha iyi ak\u0131\u015fkanl\u0131k ve da\u011f\u0131l\u0131m performans\u0131na sahiptir ve en iyi doldurma etkisini sa\u011flamak i\u00e7in epoksi kal\u0131plama bile\u015fiklerinde daha tam olarak da\u011f\u0131labilir.<\/p>\n

3. Elektrik yal\u0131t\u0131m malzemeleri<\/p>\n

Microsilica tozu, elektrik yal\u0131t\u0131m \u00fcr\u00fcnleri i\u00e7in epoksi re\u00e7ine yal\u0131t\u0131m paketleme malzemesi olarak kullan\u0131l\u0131r; bu, k\u00fcrlenmi\u015f \u00fcr\u00fcn\u00fcn lineer genle\u015fme katsay\u0131s\u0131n\u0131 ve k\u00fcrleme i\u015flemi s\u0131ras\u0131nda b\u00fcz\u00fclme oran\u0131n\u0131 etkili bir \u015fekilde azaltabilen, i\u00e7 gerilimi azaltabilen ve yal\u0131t\u0131m malzemesinin mekanik mukavemetini geli\u015ftirebilen, b\u00f6ylece yal\u0131t\u0131m malzemesini etkili bir \u015fekilde iyile\u015ftirir ve geli\u015ftirir. mekanik ve elektriksel \u00f6zellikler.<\/p>\n

4. Yap\u0131\u015ft\u0131r\u0131c\u0131<\/p>\n

\u0130norganik bir fonksiyonel dolgu maddesi olarak, silika tozu, yap\u0131\u015ft\u0131r\u0131c\u0131 re\u00e7ineye dolduruldu\u011funda k\u00fcrlenme s\u0131ras\u0131nda k\u00fcrlenen \u00fcr\u00fcn\u00fcn lineer genle\u015fme katsay\u0131s\u0131n\u0131 ve b\u00fcz\u00fclme oran\u0131n\u0131 etkili bir \u015fekilde azaltabilir, yap\u0131\u015ft\u0131r\u0131c\u0131n\u0131n mekanik mukavemetini art\u0131rabilir, \u0131s\u0131 direncini, ge\u00e7irgenli\u011fi ve \u0131s\u0131 da\u011f\u0131l\u0131m\u0131 performans\u0131n\u0131 geli\u015ftirebilir. b\u00f6ylece viskoziteyi iyile\u015ftirir. D\u00fc\u011f\u00fcm ve m\u00fch\u00fcr etkisi.<\/p>\n

Mikrosilika tozunun par\u00e7ac\u0131k boyutu da\u011f\u0131l\u0131m\u0131, yap\u0131\u015ft\u0131r\u0131c\u0131n\u0131n viskozitesini ve \u00e7\u00f6kelmesini etkileyerek, yap\u0131\u015ft\u0131r\u0131c\u0131n\u0131n \u00fcretilebilirli\u011fini ve sertle\u015fmeden sonraki do\u011frusal genle\u015fme katsay\u0131s\u0131n\u0131 etkileyecektir. Bu nedenle, yap\u0131\u015ft\u0131r\u0131c\u0131lar alan\u0131, do\u011frusal genle\u015fme katsay\u0131s\u0131n\u0131 azaltmada ve mekanik mukavemeti geli\u015ftirmede mikrosilika tozunun i\u015flevine dikkat eder. G\u00f6r\u00fcn\u00fcm ve par\u00e7ac\u0131k boyutu da\u011f\u0131l\u0131m\u0131 i\u00e7in gereksinimler nispeten y\u00fcksektir ve bile\u015fik kullan\u0131m i\u00e7in genellikle ortalama par\u00e7ac\u0131k boyutu 0.1 mikron ile 30 mikron aras\u0131nda olan farkl\u0131 par\u00e7ac\u0131k boyutlar\u0131na sahip \u00fcr\u00fcnler kullan\u0131l\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"

mikrosilika tozu, ilgili \u00fcr\u00fcnlerin performans\u0131n\u0131 art\u0131rmak i\u00e7in bak\u0131r kapl\u0131 laminatlarda, epoksi kal\u0131plama bile\u015fiklerinde ve di\u011fer alanlarda yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n","protected":false},"author":7,"featured_media":127329,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[851],"tags":[],"class_list":["post-127365","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-endustri-haberleri-tr"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/127365","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/comments?post=127365"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/127365\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media\/127329"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media?parent=127365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/categories?post=127365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/tags?post=127365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}