I-wafer yebanga lokukhiqiza le-SiC engu-8inch 4H-N SiC substrate

Incazelo emfushane:

Ama-substrate e-SiC angu-8-intshi asetshenziswa kumadivayisi kagesi anamandla amakhulu, njenge-MOSFET enamandla (i-Metal Oxide Semiconductor Field Effect Transistors), ama-diode e-Schottky kanye namanye amadivayisi e-semiconductor yamandla.


Izici

Ithebula elilandelayo libonisa imininingwane yama-wafer ethu e-SiC angu-8inch:

Izinhlobo ze-SiC DSP zohlobo lwe-N ezingu-8 intshi

Inombolo Into Iyunithi Ukukhiqizwa Ucwaningo Isiwula
1:amapharamitha
1.1 uhlobo lwe-polytype -- 4H 4H 4H
1.2 ukuqondiswa kobuso ° <11-20>4±0.5 <11-20>4±0.5 <11-20>4±0.5
2: Ipharamitha kagesi
2.1 i-dopant -- i-nitrogen yohlobo lwe-n i-nitrogen yohlobo lwe-n i-nitrogen yohlobo lwe-n
2.2 ukumelana ohm ·cm 0.015~0.025 0.01~0.03 NA
3: Ipharamitha yomshini
3.1 ububanzi mm 200±0.2 200±0.2 200±0.2
3.2 ukujiya μm 500±25 500±25 500±25
3.3 Ukuqondiswa kwe-notch ° [1- 100]±5 [1- 100]±5 [1- 100]±5
3.4 Ukujula kwe-Notch mm 1~1.5 1~1.5 1~1.5
3.5 I-LTV μm ≤5 (10mm*10mm) ≤5 (10mm*10mm) ≤10(10mm*10mm)
3.6 I-TTV μm ≤10 ≤10 ≤15
3.7 Umnsalo μm -25~25 -45~45 -65~65
3.8 I-Warp μm ≤30 ≤50 ≤70
3.9 I-AFM nm Ra≤0.2 Ra≤0.2 Ra≤0.2
4: Ukwakheka
4.1 ubuningi bepayipi elincane ea/cm2 ≤2 ≤10 ≤50
4.2 okuqukethwe kwensimbi ama-athomu/cm2 ≤1E11 ≤1E11 NA
4.3 I-TSD ea/cm2 ≤500 ≤1000 NA
4.4 I-BPD ea/cm2 ≤2000 ≤5000 NA
4.5 I-TED ea/cm2 ≤7000 ≤10000 NA
5. Ikhwalithi yangaphambili
5.1 ngaphambili -- Si Si Si
5.2 ukuqeda ubuso -- I-CMP ye-Si-face I-CMP ye-Si-face I-CMP ye-Si-face
5.3 inhlayiya i-ea/i-wafer ≤100 (usayizi ≥0.3μm) NA NA
5.4 ukuklwebheka i-ea/i-wafer ≤5, Ubude obuphelele ≤200mm NA NA
5.5 Umphetho
ama-chips/i-indents/imifantu/amabala/ukungcola
-- Akukho Akukho NA
5.6 Izindawo ze-Polytype -- Akukho Indawo ≤10% Indawo ≤30%
5.7 uphawu olungaphambili -- Akukho Akukho Akukho
6: Ikhwalithi yangemuva
6.1 ukuqeda emuva -- I-MP yobuso be-C I-MP yobuso be-C I-MP yobuso be-C
6.2 ukuklwebheka mm NA NA NA
6.3 Umkhawulo wamaphutha angemuva
ama-chips/ama-indent
-- Akukho Akukho NA
6.4 Ukugoba komhlane nm I-Ra≤5 I-Ra≤5 I-Ra≤5
6.5 Ukumaka ngemuva -- I-Notch I-Notch I-Notch
7:umphetho
7.1 umkhawulo -- I-Chamfer I-Chamfer I-Chamfer
8: Iphakheji
8.1 ukupakishwa -- Ilungele i-Epi nge-vacuum
ukupakishwa
Ilungele i-Epi nge-vacuum
ukupakishwa
Ilungele i-Epi nge-vacuum
ukupakishwa
8.2 ukupakishwa -- I-multi-wafer
ukupakishwa kwekhasethi
I-multi-wafer
ukupakishwa kwekhasethi
I-multi-wafer
ukupakishwa kwekhasethi

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