Silicon carbide (SiC) guda kristal abu yana da babban band nisa nisa (~ Si 3 sau), high thermal conductivity (~ Si 3.3 sau ko GaAs sau 10), high electron jikewa gudun hijira kudi (~ Si 2.5 sau), high rushewar lantarki filin (~ Si sau 10 ko GaAs sau 5) da sauran fitattun halaye.
Na'urorin SiC suna da fa'idodin da ba za a iya maye gurbinsu ba a fagen babban zafin jiki, matsanancin matsin lamba, mita mai ƙarfi, na'urorin lantarki masu ƙarfi da ƙaƙƙarfan aikace-aikacen muhalli kamar sararin samaniya, soja, makamashin nukiliya, da dai sauransu, suna haɓaka lahani na na'urorin kayan semiconductor na gargajiya a aikace. aikace-aikace, kuma sannu a hankali suna zama na al'ada na ikon semiconductor.
4H-SiC Silicon carbide substrate ƙayyadaddun bayanai
Abu项目 | Ƙayyadaddun bayanai | |
Polytype | 4H - SiC | 6H- SiC |
Diamita | 2 inci | 3 inci | 4 inci | 6 inci | 2 inci | 3 inci | 4 inci | 6 inci |
Kauri | 330 μm ~ 350 μm | 330 μm ~ 350 μm |
Gudanarwa | N - nau'in / Semi-insulating | N - nau'in / Semi-insulating |
Dopant | N2 (Nitrogen) V (Vandium) | N2 (Nitrogen) V (Vandium) |
Gabatarwa | A axis <0001> | A axis <0001> |
Resistivity | 0.015 ~ 0.03 ohm-cm | 0.02 ~ 0.1 ohm-cm |
Maƙarƙashiyar Ƙarfafa (MPD) | ≤10/cm2 ~ ≤1/cm2 | ≤10/cm2 ~ ≤1/cm2 |
TTV | ≤ 15 μm | ≤ 15 μm |
Baka / Warp | ≤25 μm | ≤25 μm |
Surface | DSP/SSP | DSP/SSP |
Daraja | Matsayin samarwa / Bincike | Matsayin samarwa / Bincike |
Crystal Stacking Sequence | ABCB | ABCABC |
Lattice siga | a=3.076A, c=10.053A | a=3.073A, c=15.117A |
Misali/eV (Band-gap) | 3.27v | 3.02v |
ε(Dielectric Constant) | 9.6 | 9.66 |
Fihirisar Magana | n0 = 2.719 ne = 2.777 | n0 = 2.707, ne = 2.755 |
6H-SiC Silicon Carbide bayani dalla-dalla
Abu项目 | Ƙayyadaddun bayanai |
Polytype | 6H-SiC |
Diamita | 4 inci | 6 inci |
Kauri | 350μm ~ 450m |
Gudanarwa | N - nau'in / Semi-insulating |
Dopant | Nitrogen (N2) |
Gabatarwa | <0001> kashe 4°± 0.5° |
Resistivity | 0.02 ~ 0.1 ohm-cm |
Maƙarƙashiyar Ƙarfafa (MPD) | ≤ 10/cm2 |
TTV | ≤ 15 μm |
Baka / Warp | ≤25 μm |
Surface | Si Face: CMP, Epi-Ready |
Daraja | Matsayin bincike |