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Special Design for Dcrc - Silicon Carbide SiC – WMC


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Silicon Carbide SiC at Western Minmetals (SC) Corporation can be provided in the size of 2″ 3‘ 4“ and 6″ (50mm, 75mm, 100mm, 150mm) diameter, with n-type, semi-insulating or dummy wafer for industrial and laboratory application.Any customized specification is for the perfect solution to our customers worldwide.  

Linear Formula SiC
Molecular Weight 40.1
Crystal structure Wurtzite
Appearance Solid
Melting Point 3103±40K
Boiling Point N/A
Density at 300K 3.21 g/cm3
Energy Gap (3.00-3.23) eV
Intrinsic resistivity >1E5 Ω-cm
CAS Number 409-21-2
EC Number 206-991-8
No. Items Standard Specification
1 SiC Size 2″ 3″ 4″ 6″
2 Diameter mm 50.8 0.38 76.2 0.38 100 0.5 150 0.5
3 Growth Method MOCVD MOCVD MOCVD MOCVD
4 Conductivity Type 4H-N, 6H-N, 4H-SI, 6H-SI
5 Resistivity Ω-cm 0.015-0.028; 0.02-0.1; >1E5
6 Orientation 0°±0.5°; 4.0° towards <1120>
7 Thickness μm 330±25 330±25 (350-500)±25 (350-500)±25
8 Primary Flat Location <1-100>±5° <1-100>±5° <1-100>±5° <1-100>±5°
9 Primary Flat Length mm 16±1.7 22.2±3.2 32.5±2 47.5±2.5
10 Secondary Flat Location Silicon face up: 90°, clockwise from prime flat ±5.0°
11 Secondary Flat Length mm 8±1.7 11.2±1.5 18±2 22±2.5
12 TTV μm max 15 15 15 15
13 Bow μm max 40 40 40 40
14 Warp μm max 60 60 60 60
15 Edge Exclusion mm max 1 2 3 3
16 Micropipe Density cm-2 <5, industrial; <15, lab; <50, dummy
17 Dislocation cm-2 <3000, industrial; <20000, lab; <500000, dummy
18 Surface Roughness nm max 1(Polished), 0.5 (CMP)
19 Cracks None, for industrial grade
20 Hexagonal Plates None, for industrial grade
21 Scratches ≤3mm, total length less than substrate diameter
22 Edge Chips None, for industrial grade
23 Packing Single wafer container sealed in aluminum composite bag.
  • Sample Available Upon Request 
  • Safety Delivery of Goods By Courier/Air/Sea
  • COA/COC Quality Management
  • Secure & Convenient Packing
  • UN Standard Packing Available Upon Request
  •  
  • ISO9001:2015 Certified    
  • CPT/CIP/FOB/CFR Terms By Incoterms 2010
  • Flexible Payment Terms T/T D/P L/C Acceptable
  • Full Dimensional After-Sale Services
  • Quality Inspection By Sate-of-the-art Facility
  • Rohs/REACH Regulations Approval
  • Non-Disclosure Agreements NDA
  • Non-Conflict Mineral Policy
  • Regular Environmental Management Review
  • Social Responsibility Fulfillment
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