{"id":79,"date":"2026-10-25T21:16:01","date_gmt":"2026-10-25T13:16:01","guid":{"rendered":"https:\/\/aluminiumnitride.com\/?p=79"},"modified":"2026-10-25T21:16:01","modified_gmt":"2026-10-25T13:16:01","slug":"pse-paketat-e-nitridit-te-aluminit-humbasin-aftesine-e-shperndarjes-se-nxehtesise-pas-ekspozimit-ne-lageshtire","status":"publish","type":"post","link":"https:\/\/aluminiumnitride.com\/sq\/pse-paketat-e-nitridit-te-aluminit-humbasin-aftesine-e-shperndarjes-se-nxehtesise-pas-ekspozimit-ne-lageshtire\/","title":{"rendered":"Pse paketat me nitrid alumini humbasin aft\u00ebsin\u00eb e shp\u00ebrndarjes s\u00eb nxeht\u00ebsis\u00eb pas ekspozimit ndaj lag\u00ebshtis\u00eb"},"content":{"rendered":"<p dir=\"auto\"><strong>Pse paketat me nitrid alumini humbasin aft\u00ebsin\u00eb e shp\u00ebrndarjes s\u00eb nxeht\u00ebsis\u00eb pas ekspozimit ndaj lag\u00ebshtis\u00eb<\/strong><\/p>\n<p dir=\"auto\">Pas dymb\u00ebdhjet\u00eb vjet\u00ebsh pun\u00eb me substrate nitridi alumini n\u00eb paketat e energjis\u00eb dhe RF, nj\u00eb problem i vazhduesh\u00ebm \u00ebsht\u00eb rritja graduale e rezistenc\u00ebs termike t\u00eb matur pasi pajisjet jan\u00eb ruajtur ose operuar n\u00eb mjedise t\u00eb lag\u00ebshta. Kjo rritje nuk shpjegohet vet\u00ebm nga lodhja e saldimit ose kontakti me ftoh\u00ebsin. Nitridi i aluminit reagon me lag\u00ebshtin\u00eb, dhe produktet e reaksionit mund t\u00eb rrisin rezistenc\u00ebn termike kufitare n\u00eb sip\u00ebrfaqet e lira dhe n\u00eb nd\u00ebrfaqe, edhe kur p\u00ebr\u00e7ueshm\u00ebria volumetrike e qeramik\u00ebs mbetet e lart\u00eb.<\/p>\n<p dir=\"auto\"><!--more--><\/p>\n<p dir=\"auto\">AlN i dendur \u00ebsht\u00eb relativisht i q\u00ebndruesh\u00ebm, megjithat\u00eb poroziteti i hapur i mbetur ose kufijt\u00eb e grimcave t\u00eb sinteruara n\u00eb m\u00ebnyr\u00eb t\u00eb paplot\u00eb lejojn\u00eb q\u00eb avulli i ujit t\u00eb arrij\u00eb n\u00eb sip\u00ebrfaqet reaktive. Reaksioni prodhon hidroksidet e aluminit dhe amoniakun; shtresa e hidroksidit \u00ebsht\u00eb nj\u00eb p\u00ebr\u00e7ues i dob\u00ebt termik dhe gjithashtu mund t\u00eb prish\u00eb aderimin e metalizimit t\u00eb m\u00ebvonsh\u00ebm. N\u00eb pluhur ose n\u00eb material me dend\u00ebsi t\u00eb ul\u00ebt reaksioni \u00ebsht\u00eb i shpejt\u00eb. N\u00eb substratet plot\u00ebsisht t\u00eb dendura efekti \u00ebsht\u00eb m\u00eb i ngadalt\u00eb dhe i lokalizuar, por megjithat\u00eb i matsh\u00ebm edhe pas jav\u00ebsh ekspozimi mbi 60% lag\u00ebshtir\u00eb relative. Duke qen\u00eb se rezistenca termike e paket\u00ebs \u00ebsht\u00eb shuma e rezistencave t\u00eb konduktimit n\u00eb mas\u00eb dhe atyre nd\u00ebrfaq\u00ebsore, edhe nj\u00eb shtres\u00eb e holl\u00eb reaksioni prej disa mikrometra mund t\u00eb shtoj\u00eb disa t\u00eb dhjetat e nj\u00eb grad\u00eb p\u00ebr vat n\u00ebn fluks t\u00eb lart\u00eb t\u00eb nxeht\u00ebsis\u00eb.<\/p>\n<p dir=\"auto\">N\u00eb nj\u00eb prov\u00eb ekspozimi t\u00eb kontrolluar, substratet AlN 0.5 mm me nj\u00eb konduktivitet masiv t\u00eb matur prej 185 W\/m\u00b7K u metalizuan dhe u montuan n\u00eb module energjie. Gjysma e moduleve u ruajt p\u00ebr 500 or\u00eb n\u00eb 85 \u00b0C dhe 85 % lag\u00ebshtir\u00eb relative; gjysma tjet\u00ebr u mbajt n\u00eb t\u00eb nj\u00ebjt\u00ebn temperatur\u00eb n\u00eb azot t\u00eb that\u00eb. Pas ekspozimit, rezistenca termike nga lidhja n\u00eb trup n\u00ebn nj\u00eb ngarkes\u00eb prej 40 W u rrit me 0,18 \u00b0C\/W n\u00eb modulet e ruajtura n\u00eb lag\u00ebshti, nd\u00ebrsa mbeti e pandryshuar n\u00eb modulet e ruajtura n\u00eb that\u00ebsir\u00eb. Seksionet transversale treguan nj\u00eb shtres\u00eb sip\u00ebrfaq\u00ebsore t\u00eb nd\u00ebrprer\u00eb, me trash\u00ebsi rreth 2\u20134 \u00b5m, n\u00eb mostrat e lag\u00ebshta. Matjet me laser-flash n\u00eb mostra shoq\u00ebruese pa metalizim konfirmuan se p\u00ebr\u00e7ueshm\u00ebria volumetrike nuk u ndryshua, duke izoluar rezistenc\u00ebn e shtuar te produktet e reaksionit n\u00eb sip\u00ebrfaqe. Modulet q\u00eb ishin sinteruar me dend\u00ebsi m\u00eb t\u00eb lart\u00eb (porozitet i hapur n\u00ebn 0.2 %) shfaq\u00ebn rreth gjysm\u00ebn e rritjes s\u00eb rezistenc\u00ebs n\u00ebn t\u00eb nj\u00ebjt\u00ebn ekspozim t\u00eb lag\u00ebsht.<\/p>\n<p dir=\"auto\">Kontrollet praktike jan\u00eb p\u00ebr rrjedhoj\u00eb dend\u00ebsimi dhe mbrojtja e sip\u00ebrfaqes. Porositetet e mbetura duhet t\u00eb jen\u00eb aq t\u00eb ul\u00ebta sa q\u00eb lag\u00ebshtia t\u00eb mos arrij\u00eb n\u00eb brend\u00ebsi t\u00eb grimcave; nj\u00eb shtres\u00eb e holl\u00eb, e pand\u00ebrprer\u00eb mbrojt\u00ebse ose metalizim q\u00eb mbulon plot\u00ebsisht sip\u00ebrfaqet e lira kufizon m\u00eb tej reagimin. P\u00ebr ndjeshm\u00ebrin\u00eb ndaj lag\u00ebshtis\u00eb n\u00eb hidroliz\u00ebn e nitridit t\u00eb aluminit, variablat e r\u00ebnd\u00ebsishme t\u00eb procesit jan\u00eb dend\u00ebsia e sinterimit, porositetet e hapura t\u00eb mbetura dhe integriteti i \u00e7do shtrese pasuese. Besueshm\u00ebria e ciklimit termik t\u00eb substratit AlN n\u00eb kushte t\u00eb lag\u00ebshta konfirmohet duke matur rezistenc\u00ebn termike t\u00eb paket\u00ebs para dhe pas ekspozimit t\u00eb p\u00ebrshpejtuar ndaj lag\u00ebshtis\u00eb, n\u00eb vend q\u00eb t\u00eb bazohet vet\u00ebm n\u00eb konduktivitetin masiv. Kur rezistenca termike rritet pas magazinimit ose ekspozimit n\u00eb terren n\u00eb aj\u00ebr t\u00eb lag\u00ebsht, d\u00ebshmi dalluese \u00ebsht\u00eb nj\u00eb rritje e rezistenc\u00ebs n\u00eb nd\u00ebrfaqe pa ndryshim n\u00eb konduktivitetin masiv. Arritja e nj\u00eb dend\u00ebsie thuajse t\u00eb plot\u00eb dhe mbrojtja e sip\u00ebrfaqeve t\u00eb lira, si\u00e7 demonstrohet nga rritja m\u00eb e vog\u00ebl e rezistenc\u00ebs n\u00eb substratet me dend\u00ebsi m\u00eb t\u00eb lart\u00eb n\u00eb prov\u00ebn 85 \u00b0C \/ 85 % RH, kufizon degradimin e shkaktuar nga lag\u00ebshtia dhe ruan performanc\u00ebn e shp\u00ebrndarjes s\u00eb nxeht\u00ebsis\u00eb s\u00eb nitridit t\u00eb aluminit.<\/p>","protected":false},"excerpt":{"rendered":"<p>Why Aluminium Nitride Packages Lose Heat-Spreading Ability After Humid Exposure After twelve years working with aluminium nitride substrates in power [&hellip;]<\/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-79","post","type-post","status-publish","format-standard","hentry","category-products-related"],"_links":{"self":[{"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/posts\/79","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/comments?post=79"}],"version-history":[{"count":1,"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/posts\/79\/revisions"}],"predecessor-version":[{"id":82,"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/posts\/79\/revisions\/82"}],"wp:attachment":[{"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/media?parent=79"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/categories?post=79"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminiumnitride.com\/sq\/wp-json\/wp\/v2\/tags?post=79"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}