I-Al2O3 nanopowder eyindilinga ye-alpha Alumina ye-silicone conductive eshisayo

Ngenxa ye-viscosity yayo enhle, ukuguquguquka, ukusebenza kahle kokucindezela kanye nokuhamba kahle kwe-thermal, ijeli ye-silica conductive thermally conductive ngokuvamile isetshenziswa njengesigcwalisi sokukhipha ukushisa kwe-IC substrates yezinto zikagesi ezifana nemishini yokuxhumana namakhompyutha.Izinto ezivamile ze-inorganic non-metallic thermally conductive insulating. izigcwalisi zempushana zihlanganisa i-aluminium nitride, i-aluminium oxide, i-zinc oxide, i-beryllium oxide, i-silicon i-oxide, i-silicon carbide, i-boron nitride, njll.Phakathi kwabo, i-alumina ayinayo nje kuphela indawo yokufaka izinto ezinhle, kodwa futhi ukuqhutshwa kwayo okushisayo akuphansi (izinga lokushisa elivamile le-thermal conductivity lingu-30W/m·K), futhi liye lasetshenziswa kabanzi ekufakeni imikhiqizo emkhakheni wamandla kagesi aphezulu kanye nemishini yokushintsha ye-UHV.

Izinhlayiya ze-Alumina ezine-conductivity ephezulu yokushisa kumele ngokwazo zibe nezinga eliphezulu lokucwebezela nokuhlangana. I-alpha-phase alumina inesakhiwo esiyi-hexagonal, okuyisakhiwo esiminyene kakhulu phakathi kwezinhlobonhlobo ze-alumina. Ucwaningo luye lwabonisa ukuthi ukuphakama kwesigaba se-alpha sempushana ye-alumina, amakristalu angamakristalu angabodwa kanye nezinhlayiya eziyindilinga, futhi kunezindiza ezithile zekristalu. Uma igcwele ijeli ye-silica, ukuxhumana nomugqa othile kanye nendawo kuzovela lapho izinhlayiya zithintana nezinhlayiya. Xhumana, ngakho-ke ukuqhutshwa okushisayo kwejeli ye-silica kungathuthukiswa kakhulu.