Ihe mejupụtara CVD SiC maka Silicon Epitaxy (Si Epi)
Ejiri usoro nhazi nke ọma mee ihe maka sistemụ nchekwa otu wafer na nke batch Silicon Epitaxial, ihe nchekwa anyị nke CVD SiC, diski satịlaịtị, na ihe ndị mejupụtara ubi okpomọkụ na-enye otu nha okpomọkụ dị egwu na enweghị gas ọ bụla. Akwa mkpuchi cubic β-SiC dị elu na-ekpuchi ihe mejupụtara graphite dị ọcha nke ukwuu, na-egbochi itching gas reactive (SiH₄, SiH₂Cl₂, HCl) ma na-ekwe nkwa ọkwa adịghị ọcha metal dị ala (<5 ppm) n'oge nhazi Si Epi dị elu (1000°C - 1200°C).
Mmiri a na-achịkwa na-eme ka ọkpụrụkpụ nke ihe nkiri wafer dị n'akụkụ ruo n'etiti doo anya.
Na-enye nchebe siri ike megide kemịkalụ nhicha ụlọ dị n'ime ya na ihe mberede okpomọkụ.
Ejiri CNC nke ọma mee ka ọ dabara na ngwaọrụ Epi nke nwere wafer 200mm/300mm (ihe ndị e ji mee ya, ASM).
| Teknụzụ Paramita | Uru nkọwapụta | Usoro Ọkọlọtọ / Ule |
|---|---|---|
| Ihe mkpuchi | CVD β-SiC (Oge Cubic) | Ọdịdị kristal dị elu |
| Ihe e ji mee ihe n'okpuru ala | Graphite Isostatic dị ọcha nke ukwuu | Njupụta: 1.82 - 1.88 g/cm³ |
| Ọcha Kemịkalụ | Ngụkọta adịghị ọcha < 5 ppm | Anwalela GDMS |
| Ọkpụrụkpụ mkpuchi | 80 μm - 150 μm | Nha nhata ≤ ±5% |
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