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Nā ʻano o ka graphite kūikawā
ʻO ka graphite kūikawā he mea maʻemaʻe kiʻekiʻe, kiʻekiʻe kiʻekiʻe a me ka ikaika kiʻekiʻe graphite mea a he maikaʻi ke kūpaʻa corrosion, kūpaʻa wela kiʻekiʻe a me ka conductivity uila nui. Hana ʻia ia me ka graphite kūlohelohe a i ʻole ma hope o ka mālama ʻana i ka wela wela a me ke kaʻina hana kiʻekiʻe ...Heluhelu hou aku -
Ka nānā ʻana o nā mea hoʻoheheʻe kiʻiʻoniʻoni lahilahi - nā loina a me nā noi o nā mea hana PECVD/LPCVD/ALD
ʻO ka waiho ʻia ʻana o nā kiʻiʻoniʻoni lahilahi e uhi i kahi papa kiʻiʻoniʻoni ma luna o ka mea substrate nui o ka semiconductor. Hiki ke hana i kēia kiʻiʻoniʻoni i nā mea like ʻole, e like me ka insulating compound silicon dioxide, semiconductor polysilicon, metala keleawe, a me nā mea ʻē aʻe.Heluhelu hou aku -
Nā mea koʻikoʻi e hoʻoholo ai i ka maikaʻi o ka ulu ʻana o ke silika monocrystalline - kahua wela
Hoʻopau piha ʻia ke kaʻina ulu o ka silikon monocrystalline i ke kahua wela. ʻO kahi kahua wela maikaʻi e kūpono i ka hoʻomaikaʻi ʻana i ka maikaʻi o nā kristal a ʻoi aku ka maikaʻi o ka crystallization kiʻekiʻe. ʻO ka hoʻolālā ʻana o ke kahua wela e hoʻoholo nui i nā loli i nā gradients mahana ...Heluhelu hou aku -
He aha nā pilikia ʻenehana o ka umu hoʻoulu ʻana o ka silika carbide crystal?
ʻO ke kapuahi ulu kristal ka mea nui no ka ulu ʻana o ka kristal carbide silika. Ua like ia me ke kapuahi ulu ululāʻau crystalline silicon grade crystal. ʻAʻole paʻakikī loa ke ʻano o ka umu ahi. Hoʻokumu ʻia ia me ke kino umu, ka ʻōnaehana hoʻomehana, ka mīkini hoʻoili coil ...Heluhelu hou aku -
He aha nā hemahema o ka papa epitaxial silicon carbide
ʻO ka ʻenehana koʻikoʻi no ka ulu ʻana o nā mea epitaxial SiC ʻo ia ka ʻenehana hoʻokele defect mua, ʻoi aku hoʻi no ka ʻenehana hoʻokele defect e pili ana i ka hemahema o ka hāmeʻa a i ʻole ka hōʻemi ʻana i ka hilinaʻi. ʻO ke aʻo ʻana i ke ʻano o nā hemahema substrate e hoʻonui ana i ka epi ...Heluhelu hou aku -
ʻO ka palaoa kū a me ka ʻenehana ulu epitaxial-Ⅱ
2. Epitaxial thin film growth Hāʻawi ka substrate i kahi papa kākoʻo kino a i ʻole conductive layer no nā mea mana Ga2O3. ʻO ka papa koʻikoʻi e hiki mai ana, ʻo ia ka papa kahawai a i ʻole ka papa epitaxial i hoʻohana ʻia no ka pale ʻana i ka volta a me ka lawe lawe. I mea e hoʻonui ai i ka voltage breakdown a hoʻemi i ka con...Heluhelu hou aku -
Gallium oxide hoʻokahi aniani a me ka ʻenehana ulu epitaxial
Ua loaʻa i ka manaʻo nui nā mea hoʻohālike o ka bandgap ākea (WBG) i hōʻike ʻia e ka silicon carbide (SiC) a me ka gallium nitride (GaN). Loaʻa i nā poʻe nā manaʻolana kiʻekiʻe no ka noi ʻana o ka silicon carbide i nā kaʻa uila a me nā mana mana, a me nā manaʻo noi o ka gallium ...Heluhelu hou aku -
He aha nā pale ʻenehana i ka silikon carbide?Ⅱ
ʻO nā pilikia o ka ʻenehana i ka hana nui ʻana i nā wafers silicon carbide kiʻekiʻe me ka hana paʻa, ʻo ia hoʻi: 1) No ka mea pono e ulu nā crystals i kahi wahi i hoʻopaʻa ʻia ma luna o 2000 ° C, ʻoi aku ka kiʻekiʻe o nā koi hoʻomalu wela; 2) No ka loaʻa ʻana o ka carbide silika ...Heluhelu hou aku -
He aha nā pale ʻenehana i ka carbide silika?
Hōʻike ʻia ka hanauna mua o nā mea semiconductor e ka silicon kuʻuna (Si) a me ka germanium (Ge), ʻo ia ke kumu no ka hana kaapuni hoʻohui. Hoʻohana nui ʻia lākou i nā transistors haʻahaʻa haʻahaʻa, haʻahaʻa haʻahaʻa, a me nā mea ʻike. ʻOi aku ma mua o 90% o nā huahana semiconductor ...Heluhelu hou aku