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4H-SEMI Polished Sic Wafer lens 2INCH 3INCH 4INCH 9.0 Hardness For Device Material
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Brand Name:zmsh
Model Number:sic-6inch 4h-n
Price:by case
Delivery Time:15days within
Company Data
Verified Supplier
Contact Person
Wang
Business Type:
Manufacturer Agent Importer Exporter Trading Company
Officials:
Room.1-1805,No.1079 Dianshanhu Road,Qingpu Area Shanghai city, China /201799
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
6inch sic substrates, sic ingot ,sic crystal ingots ,sic crystal
block, sic semiconductor substrates,6inch Silicon Carbide
Wafer,4H-semi SiC wafer,6inch 4H-N type dummy grade sic wafer for
test,
1. Description
| Property | 4H-SiC, Single Crystal | 6H-SiC, Single Crystal |
| Lattice Parameters | a=3.076 Å c=10.053 Å | a=3.073 Å c=15.117 Å |
| Stacking Sequence | ABCB | ABCACB |
| Mohs Hardness | ≈9.2 | ≈9.2 |
| Density | 3.21 g/cm3 | 3.21 g/cm3 |
| Therm. Expansion Coefficient | 4-5×10-6/K | 4-5×10-6/K |
| Refraction Index @750nm | no = 2.61 ne = 2.66 | no = 2.60 ne = 2.65 |
| Dielectric Constant | c~9.66 | c~9.66 |
| Thermal Conductivity (N-type, 0.02 ohm.cm) | a~4.2 W/cm·K@298K c~3.7 W/cm·K@298K | |
| Thermal Conductivity (Semi-insulating) | a~4.9 W/cm·K@298K c~3.9 W/cm·K@298K | a~4.6 W/cm·K@298K c~3.2 W/cm·K@298K |
| Band-gap | 3.23 eV | 3.02 eV |
| Break-Down Electrical Field | 3-5×106V/cm | 3-5×106V/cm |
| Saturation Drift Velocity | 2.0×105m/s | 2.0×105m/s |
2. Material Size describtion
| 6 inch diameter Silicon Carbide (SiC) Substrate Specification |
| Grade | Z grade | P grade | R grade | D grade | |
| ZERO MPD | Production | Research Grade | Dummy Grade | ||
| Diameter | 150mm±0.5 mm | ||||
| Thickness | 350 μm±25μm or 500±25um or by customized size | ||||
| Wafer Orientation | Off axis : 4.0° toward <1120 > ±0.5° for 4H-N | ||||
| Micropipe Density | ≤1cm-2 | ≤5 cm-2 | ≤15 cm-2 | ≤50 cm-2 | |
| Resistivity | 4H-N | 0.015~0.028 Ω·cm | |||
| 4/6H-SI | >1E5 Ω·cm | ||||
| Primary Flat | {10-10}±5.0° | ||||
| Primary Flat Length | 47.5mm±2.5 mm | ||||
| Edge exclusion | 3mm | ||||
| TTV/Bow /Warp | ≤15μm /≤40μm /≤60μm | ||||
| Roughness | Polish Ra≤1 nm | ||||
| CMP Ra≤0.5 nm | |||||
| None | None | 1 allowed, ≤1 mm | |||
| Cracks by high intensity light | |||||
| Hex Plates by high intensity light | Cumulative area≤1 % | Cumulative area≤1 % | Cumulative area≤3 % | ||
| None | Cumulative area≤2 % | Cumulative area≤5% | |||
| Polytype Areas by high intensity light | |||||
| 3 scratches to 1×wafer diameter cumulative length | 5 scratches to 1×wafer diameter cumulative length | 8 scratches to 1×wafer diameter cumulative length | |||
| Scratches by high intensity light | |||||
| Edge chip | None | 3 allowed, ≤0.5 mm each | 5 allowed, ≤1 mm each | ||
| Contamination by high intensity light | None | ||||
3. products
FAQ:
Q: What's the way of shipping and cost?
A:(1) We accept DHL, Fedex, EMS etc.
(2) it is fine If you have your own express account ,If not,we could help you ship them and
Freight is in accordance with the actual settlement.
Q: How to pay?
A: T/T 100％ deposit before delivery.
Q: What's your MOQ?
A: (1) For inventory, the MOQ is 1pcs. if 2-5pcs it's better.
(2) For customized commen products, the MOQ is 10pcs up.
Q: What's the delivery time?
A: (1) For the standard products
For inventory: the delivery is 5 workdays after you place the order.
For customized products: the delivery is 2 -4 weeks after you order contact.
Q: Do you have standard products?
A: Our standard products in stock. as like substrates 4inch 0.35mm.
Thanks~~~
Company Profile
SHANGHAI FAMOUS TRADE CO.,LTD
SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of
Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014.
We specialize in processing a varity of materials into
wafers, substrates and custiomized optical glass parts.components
widely used in electronics, optics, optoelectronics and many other
fields. We also have been working closely with many domestic and
oversea universities, research institutions and companies, provide
customized products and services for their R&D projects.
It's our vision to maintaining a good relationship of cooperation with our all
customers by our good reputatiaons.
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