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Mmetụta Graphite siri ike
Emepụtara site na carbon eserese dị oke elu, Semixlab Rigid Graphite Felt bụ ihe mkpuchi na-arụ ọrụ dị elu emebere ya maka uto otu kristal SiC site na usoro PVT. Nrụpụta ọkụ ya dị ala dị ala na-eme ka njikwa radial na axial okpomọkụ gradients, ebe usoro ya siri ike na-edobe nkwụsi ike nke igwe n'okpuru oke okpomọkụ karịrị 2000ºC. Site na ibelata okpomoku okpomọkụ na ichekwa otu ebe ọkụ dị n'okirikiri sublimation crucible, RGF na-ebelata mgbakasị ụgbọ elu basal, mmejọ stacking na nhazi micropipe, na-ebute 4H- na 6H-SiC boules dị elu.
Description
Emebere Semixlab Rigid Graphite Felt (RGF) dị ka ihe mkpuchi okpomọkụ dị oke egwu yana akụrụngwa njikwa ọkụ maka uto anụ ahụ Vapor Transport (PVT) nke otu kristal SiC. Ezubere maka iji ya na mmepụta 4H- na 6H-SiC nke na-esote, mmetụta a siri ike na-ejikọta ultra-low thermal conductivity, nguzozi dị elu, na ịdị ọcha kemịkalụ pụrụ iche, na-eme ka ọ bụrụ ihe isi nkuku na ọkụ ọkụ SiC na-arụ ọrụ dị elu. Ngwa ya na-ahụ maka njikwa gradients nke ọma, ọnọdụ uto kwụsiri ike, yana ogo kristal emelitere n'ofe usoro mmepụta ogologo oge.
N'ime usoro SiC PVT, idowe ebe ikpo ọkụ na-agbanwe agbanwe na otu dị oke mkpa iji nweta otu kristal na-enweghị ntụpọ. The Graphite Rigid Felt na-eje ozi dị ka ihe mkpuchi ọkụ bụ isi, gbara gburugburu ebe a na-ekpo ọkụ sublimation na ihe arụrụ ọkụ. Igwe ọkụ ọkụ ya dị ala na-ebelata mfu ọkụ na-achọghị, na-edobe gradient okpomọkụ dị n'etiti isi iyi SiC na kristal mkpụrụ. Site n'ịchịkwa profaịlụ radial na axial okpomọkụ, RGF na-ebelata nguzobe nke ụgbọ elu basal, mmejọ na-ekpo ọkụ, na micropipes, na-emetụta kpọmkwem nguzosi ike n'ezi ihe na arụmọrụ eletrọnịkị nke SiC wafers.
Ewezuga ikike mkpuchi ọkụ ya, usoro siri ike nke Semixlab's graphite chere na-enye nkwụsi ike nke igwe na gburugburu oke okpomọkụ karịrị 2000°C. N'adịghị ka mmetụta na-agbanwe agbanwe ma ọ bụ dị nro, RGF na-ejigide ọdịdị ya n'okpuru ịgba ígwè ọkụ ogologo oge, na-egbochi ndakpọ ma ọ bụ nrụrụ nke nwere ike ịkpaghasị ebe okpomọkụ ma ọ bụ mebie ọkụ ọkụ n'oge ndụ. Inertness kemịkalụ ya na-eme ka ntọhapụ dị ntakịrị ma na-ezere mmetọ nke boule SiC, nke dị oke mkpa maka imepụta ihe nrụpụta dị elu maka ngwa eletrọnịkị na ngwa ngwa bandgap.
Emepụtara ya site na iji carbon eserese dị elu yana usoro densification dị elu, Semixlab Graphite Rigid Felt na-egosipụta njupụta otu, nkwụsi ike akụkụ dị mma, yana ogologo ogologo oge. Ngwakọta ya nke arụmọrụ ọkụ yana nkwụsi ike n'ibu na-enyere ụlọ ọrụ semiconductor aka iru ọnụego uto na-agbanwe agbanwe, profaịlụ ọnọdụ okpomọkụ na-emegharị, yana belata oge ọdịda na sistemụ PVT. Site n'ịkwalite arụmọrụ ọkụ ọkụ, RGF na-enyekwa aka na nchekwa ike ma na-eme ka otu wafer dị na mkpụrụ.
Semixlab's Rigid Graphite Felt na-enye arụmọrụ, ịdị ọcha, na nkwụsi ike nhazi achọrọ iji kwado uto SiC otu kristal dị elu, na-enye ndị na-emepụta ihe ngwọta ihe siri ike maka mmepụta wafer nke ọgbọ na-abịa, ndụ ọkụ agbatị, yana njikwa okpomọkụ dị elu na gburugburu oke okpomọkụ.
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