Alumina ita ce tushen seramiki na tsoho saboda wani dalili. Yana da arha, mai \u0199arfi, kuma mai sau\u0199in ha\u0257a shi da \u0199arfe. Haka kuma, bututun zafi ne mara kyau. Allon 96% Al\u2082O\u2083 yana da kusan 20\u201330 W\/m\u00b7K. Nitride na aluminium, idan an yi shi yadda ya kamata, yana cikin kewayon 170\u2013200 W\/m\u00b7K, wani lokaci ya zarce 200. Ka'idar kristal \u0257aya cikakke tana kusan 320. Babu wanda ke samar da shi. Abin da muke samarwa shi ne insulator da aka sinter wanda zai iya fitar da zafin die daga modul \u0257in wuta ba tare da ya zama mai gudanar da lantarki ba.<\/p>\n
Wannan ha\u0257in shine aikin. Karfe suna watsawa zafi da wutar lantarki. Yawancin keramiki suna toshe wutar lantarki kuma suna kama zafi. Aluminum nitride yana watsawa zafi kuma yana ba da kariya a lokaci guda, tare da CTE kusan 4.5 ppm\/\u00b0C \u2014 kusa da silicon. Alumina tana fa\u0257a\u0257a kusan 6.5\u20137.5. A kan na'urar IGBT mai \u0199arfi ko ta SiC, rashin daidaito yana bayyana a matsayin gajiya a walda da kuma zamewar foil na tagulla. BeO yana watsawa zafi mafi kyau, amma muna gujewa amfani da shi duk lokacin da zai yiwu. Guba ba \u0199ananan bayanin \u0199asa a takardar bayanai ba ne.<\/p>\n
Iska (oxygen) ita ce \u0199azanta da ke lalata labarin gudanar da wutar lantarki. Iska a cikin tsarin lattice tana haifar da guraben aluminium. Fonons suna bazuwa. Foda mai kusan kashi biyu cikin \u0257ari na iska yana sintering zuwa wani abu da yake kama da AlN kuma yana da \u0199ima kusan 100 W\/m\u00b7K. Foda mai \u0199arancin iskar oxygen tare da abin taimako na sintering da ke jan oxygen zuwa matakin iyakar \u0199wayoyin \u2014 yttria shi ne akafi amfani da shi \u2014 shine yadda ake samun darajar fiye da 170. Dangin dole ne ya kasance mai yawa. Ramuka na saura wani wurin bazuwar ne. Don haka \u201cAlN substrate\u201d a PO ba daraja bane. Ka tambayi gudanar zafi, ba kimiyyar sinadarai kawai ba.<\/p>\n
Sarrafa foda shi ne inda shaguna ke mamaki. AlN mai laushi yana rushewa ta ruwa. Idan ka bar shi a cikin iska mai danshi, zai samu fata ta hydroxide kuma zai \u0199ara iskar oxygen da ka biya don a cire. Ajiya a busasshen wuri, lokacin bu\u0257ewa gajere, wani lokaci maganin saman. Wannan ba wai wahala ba ce. Haka kima (k-value) ke tsira har zuwa cikin tanda.<\/p>\n
Muna amfani da aluminum nitride inda tarin zafi ke bu\u0199atar sa: allunan wutar DBC da DPC, kunshin RF, submounts na laser da LED, wasu sassan tsarin semiconductor. Idan die \u0257in na da \u0199arfin watt ka\u0257an kuma heat sink ne ke zama matsanancin takura, alumina har yanzu tafi arha. Idan kuna zubar da watt da dama ta cikin siramiki mai siriri zuwa tagulla, raguwar zafi a saman alumina ba ta kasance kyauta ba. Siramiki yana da tsada fiye. Module \u0257in da ba ya rage aiki ko rabuwa shi ne mai dawowa.<\/p>\n
Sarrafawa da yin metallization suna bu\u0199atar gaskiya iri \u0257aya. AlN ba abu ne na yau da kullum kamar alumina 96% ba. Gicciye suna yagewa. Dangantakar jan \u0199arfe dole ta yi daidai da fa\u0257a\u0257a. Diski mai kyau na 180 W\/m\u00b7K da mummunan ha\u0257i kawai mai hana wutar lantarki ne mai tsada. Bayyana k, kauri, fuska, da tsarin \u0199arfe a lokaci guda. Aluminium nitride hanya ce ta zafi wadda a zahiri take zama seramiki. Idan aka \u0257auke shi haka, zai sami \u0199ima ta musamman. Idan aka \u0257auke shi kamar alumina fari mai takardar talla mafi kyau, ba zai sami hakan ba.<\/p>","protected":false},"excerpt":{"rendered":"
Aluminium Nitride Moves Heat Like a Metal and Still Blocks Current Alumina is the default ceramic substrate for a reason. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[2],"tags":[],"class_list":["post-74","post","type-post","status-publish","format-standard","hentry","category-products-related"],"_links":{"self":[{"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/posts\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/comments?post=74"}],"version-history":[{"count":1,"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/posts\/74\/revisions"}],"predecessor-version":[{"id":77,"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/posts\/74\/revisions\/77"}],"wp:attachment":[{"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/media?parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/categories?post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminiumnitride.com\/ha\/wp-json\/wp\/v2\/tags?post=74"}],"curies":[{"name":"\u0199ir\u0199irar rubutu","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}