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Sic wafer manufacturers

I have found results from400+products and200+suppliers aboutSic wafer

Fine Silicon Manufacturing(Shanghai)Ltd.mic-icon
Satisfies 1/1 of your requirement
6 Inch Polished Round Prime Grade Silicon Carbide Sic Wafer

6 Inch Polished Round Prime Grade Silicon Carbide Sic Wafer

US$571.00-596.00
25 pc(MOQ)
Sample Available
Wholesale N/P Type Sic Wafer Silicon Carbide Wafer for Sale

Wholesale N/P Type Sic Wafer Silicon Carbide Wafer for Sale

US$125.00-150.00
25 pc(MOQ)
Sample Available
8 Inch Monocrystalline Dummy Sic Wafer Silicon Carbide Wafer

8 Inch Monocrystalline Dummy Sic Wafer Silicon Carbide Wafer

US$1,159.00-1,184.00
25 pc(MOQ)
Sample Available
N Type 6 Inch Semiconductors Sic Wafer Silicon Oxide Wafer

N Type 6 Inch Semiconductors Sic Wafer Silicon Oxide Wafer

US$35.00-40.00
100 pc(MOQ)
Sample Available
Factory Supply Sic Wafer 12inch Silicon Dummy Wafer

Factory Supply Sic Wafer 12inch Silicon Dummy Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
Factory Supply 2-4-6-8-12 Inch Sic Silicon Wafer

Factory Supply 2-4-6-8-12 Inch Sic Silicon Wafer

US$25.00
50 pc(MOQ)
Sample Available
6 Inch Silicon Carbide Sic Substrate Dummy Wafer

6 Inch Silicon Carbide Sic Substrate Dummy Wafer

US$125.00-150.00
25 pc(MOQ)
Sample Available
Factory Direct 2/3/4/6/8/12 Inch Dummy Test P/N Type Sic Silicon Wafer

Factory Direct 2/3/4/6/8/12 Inch Dummy Test P/N Type Sic Silicon Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
8 Inch 12 Inch Dummy Wafers Sic Silicon Wafer

8 Inch 12 Inch Dummy Wafers Sic Silicon Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
Factory Wholesale Price 12 Inch Test Grade Coating Wafer Test Wafer Sic Silicon Wafer

Factory Wholesale Price 12 Inch Test Grade Coating Wafer Test Wafer Sic Silicon Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
Japanese Quality 6/8/12 Inch Film/Dummy/Testwafer Sic Silicon Wafer

Japanese Quality 6/8/12 Inch Film/Dummy/Testwafer Sic Silicon Wafer

US$25.00
50 pc(MOQ)
Sample Available
Semiconductor 12inch Dummy Sic Silicon Wafers

Semiconductor 12inch Dummy Sic Silicon Wafers

US$10.00-100.00
25 pc(MOQ)
Sample Available
12inch Dummy Wafer Sic Semiconductors Polished Silicon Wafer

12inch Dummy Wafer Sic Semiconductors Polished Silicon Wafer

US$25.00
50 pc(MOQ)
Sample Available
2-12inch Dummy Film Wafer Sic Semiconductors Polished Silicon Wafer

2-12inch Dummy Film Wafer Sic Semiconductors Polished Silicon Wafer

US$25.00
50 pc(MOQ)
Sample Available
12inch Dummy Film Wafer Sic Semiconductors Polished Silicon Wafer

12inch Dummy Film Wafer Sic Semiconductors Polished Silicon Wafer

US$50.00-100.00
50 pc(MOQ)
Sample Available
Factory Custom 12inch Wafer Sic Silicon Dummy Wafer

Factory Custom 12inch Wafer Sic Silicon Dummy Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
Factory Wholesale Dummy Wafer Semiconductor Sic Oxide Silicon Wafer

Factory Wholesale Dummy Wafer Semiconductor Sic Oxide Silicon Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
Wholesale High Quality Dummy Sic Silicon Wafers

Wholesale High Quality Dummy Sic Silicon Wafers

US$10.00-100.00
25 pc(MOQ)
Sample Available
2-12 Inch Dummy Film Test Oxide Wafer Sic Semiconductors Polished Silicon Wafer

2-12 Inch Dummy Film Test Oxide Wafer Sic Semiconductors Polished Silicon Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
Hot Sale 12inch Dummy Sic Silicon Wafers

Hot Sale 12inch Dummy Sic Silicon Wafers

US$10.00-100.00
25 pc(MOQ)
Sample Available
Factory Supply Far IR Silicon Wafer Sic Crystals High Quality Dummy Wafer

Factory Supply Far IR Silicon Wafer Sic Crystals High Quality Dummy Wafer

US$25.00
50 pc(MOQ)
Sample Available
Sic Crystal Growth Semiconductor Silicon Dummy Wafer

Sic Crystal Growth Semiconductor Silicon Dummy Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
Sic Crystal Growth 8 12 Inch Dummy Wafer N Type Silicon Wafer

Sic Crystal Growth 8 12 Inch Dummy Wafer N Type Silicon Wafer

US$10.00-100.00
25 pc(MOQ)
Sample Available
Shenzhen Xinyuan Huiyu Optoelectronic Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
8 Inch 4h-Sic Wafer Single-Side Polished DSP 4° off-Axis for Power Device R&D

8 Inch 4h-Sic Wafer Single-Side Polished DSP 4° off-Axis for Power Device R&D

US$2,500.00-4,000.00
10 Pieces(MOQ)
Sample Available
6 Inch 4h-Sic Thin Wafer for Vertical Power Device Fabrication

6 Inch 4h-Sic Thin Wafer for Vertical Power Device Fabrication

US$1,400.00-2,200.00
10 Pieces(MOQ)
Sample Available
Vertical Power Device Fabrication 4 Inch 4h-Sic Wafer

Vertical Power Device Fabrication 4 Inch 4h-Sic Wafer

US$600.00-1,000.00
10 Pieces(MOQ)
Sample Available
3 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

3 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

US$300.00-500.00
10 Pieces(MOQ)
Sample Available
6 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

6 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

US$1,300.00-2,100.00
10 Pieces(MOQ)
Sample Available
8 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

8 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

US$3,600.00-6,000.00
10 Pieces(MOQ)
Sample Available
2 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

2 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

US$150.00-300.00
10 Pieces(MOQ)
Sample Available
4 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

4 Inch 4h-Sic Wafer Double-Side Polished CMP Ra<0.5nm for Power Electronics

US$600.00-900.00
10 Pieces(MOQ)
Sample Available
Custom-Size 4h-Sic Wafer Service From 2-Inch to 8-Inch for Prototyping

Custom-Size 4h-Sic Wafer Service From 2-Inch to 8-Inch for Prototyping

US$400.00-3,000.00
10 Pieces(MOQ)
Sample Available
Custom-Size 4h-Sic Wafer Service From 2-Inch to 8-Inch for R&D and Prototyping

Custom-Size 4h-Sic Wafer Service From 2-Inch to 8-Inch for R&D and Prototyping

US$250.00-4,000.00
10 Pieces(MOQ)
Sample Available
Custom-Size 4h-Sic Wafer Service From 2-Inch to 8-Inch

Custom-Size 4h-Sic Wafer Service From 2-Inch to 8-Inch

US$350.00-2,500.00
10 Pieces(MOQ)
Sample Available
Custom-Size 4h-Sic Wafer Service for R&D and Prototyping

Custom-Size 4h-Sic Wafer Service for R&D and Prototyping

US$300.00-1,800.00
10 Pieces(MOQ)
Sample Available
Sic Silicon Carbide Substrate Wafer 100mm 0.5mm Polished 4h-Sic

Sic Silicon Carbide Substrate Wafer 100mm 0.5mm Polished 4h-Sic

US$200.00-320.00
10 Pieces(MOQ)
Sample Available
Jiaozuo Commercial Finewin Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
6inch N Type Sic Wafers/Sic Seeds

6inch N Type Sic Wafers/Sic Seeds

US$1.00-10.00
10 Pieces(MOQ)
Sic Wafer Substrate, Sic Seeds

Sic Wafer Substrate, Sic Seeds

US$1.00-10.00
10 Pieces(MOQ)
Thickness 5-15 mm Silicon Carbide Sic Wafer

Thickness 5-15 mm Silicon Carbide Sic Wafer

US$1.00-100.00
25 Pieces(MOQ)
Single Crystal Single Side Polished Silicon Wafer Sic Wafer Polishing Wafer Manufacturer

Single Crystal Single Side Polished Silicon Wafer Sic Wafer Polishing Wafer Manufacturer

US$1.00-100.00
25 Pieces(MOQ)
Silicon Carbide Wafer 2/3/4/6/8-Inch Sic Wafers Dummy/Research/Prime Grade

Silicon Carbide Wafer 2/3/4/6/8-Inch Sic Wafers Dummy/Research/Prime Grade

US$1.00-100.00
25 Pieces(MOQ)
Silicon Carbide Wafer with Prime Grade 2/3/4/6/8/12inch Sic Wafers Dummy for Power Electronic Devices

Silicon Carbide Wafer with Prime Grade 2/3/4/6/8/12inch Sic Wafers Dummy for Power Electronic Devices

US$1.00-100.00
25 Pieces(MOQ)
Single Crystal 99.99999% Si 2"-12" Un-Doped Intrinsic 100 Orientation Silicon Wafer

Single Crystal 99.99999% Si 2"-12" Un-Doped Intrinsic 100 Orientation Silicon Wafer

US$1.00-100.00
25 Pieces(MOQ)
High Quality 4 Inch Silicon Wafer

High Quality 4 Inch Silicon Wafer

US$1.00-100.00
25 Pieces(MOQ)
1 Inch Silicon Wafer, Good Quality

1 Inch Silicon Wafer, Good Quality

US$1.00-100.00
25 Pieces(MOQ)
C-Laser (Taicang) Material Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
Custom 0.35 mm Conductive N-Type Epitaxial Substrate Photovoltaic Silicon Power Semiconductor Devices Silicon Carbide Sic Wafer

Custom 0.35 mm Conductive N-Type Epitaxial Substrate Photovoltaic Silicon Power Semiconductor Devices Silicon Carbide Sic Wafer

US$20.00-30.00
100 Pieces(MOQ)
Sample Available
Single Polished P-Type N-Type Monocrystalline Silicon Epitaxial Wafer 4-8inch Sic Substrates Si Wafer

Single Polished P-Type N-Type Monocrystalline Silicon Epitaxial Wafer 4-8inch Sic Substrates Si Wafer

US$20.00-30.00
100 Pieces(MOQ)
Sample Available
4-8 Inch Diameter Semiconductor Substrate Silicon Carbide (SiC) Wafer

4-8 Inch Diameter Semiconductor Substrate Silicon Carbide (SiC) Wafer

US$20.00-30.00
100 Pieces(MOQ)
Sample Available
Custom Silicon Carbide Substrate N-Type P-Type Sapphire Wafer Diameter 4-8 Inch Thickness 0.35-0.5 mm Sic Wafer

Custom Silicon Carbide Substrate N-Type P-Type Sapphire Wafer Diameter 4-8 Inch Thickness 0.35-0.5 mm Sic Wafer

US$20.00-30.00
100 Pieces(MOQ)
Sample Available
Silicon Carbide (sic) Substrate Wafer N Type Round Plate Silicone Carbide Wafer

Silicon Carbide (sic) Substrate Wafer N Type Round Plate Silicone Carbide Wafer

US$20.00-30.00
100 Pieces(MOQ)
Sample Available
LIANYUNGANG BAIBO NEW MATERIAL CO., LTD.mic-icon
Satisfies 1/1 of your requirement
Silicon Carbide Plate Sic Ceramic Wafer for Industry Use

Silicon Carbide Plate Sic Ceramic Wafer for Industry Use

US$5.00-15.00
10 Pieces(MOQ)
Sample Available
Semiconductor Ssic Sic Disc Silicon Carbide Wafer Used for 5g Communication Device

Semiconductor Ssic Sic Disc Silicon Carbide Wafer Used for 5g Communication Device

US$20.00-50.00
2 Pieces(MOQ)
Sample Available
Black Color Mirrow Polished Ssic Plate Round Silicon Carbide Disc Sic Wafer

Black Color Mirrow Polished Ssic Plate Round Silicon Carbide Disc Sic Wafer

US$20.00-50.00
2 Pieces(MOQ)
Sample Available
High Thermal Conductivity Irregular Aln Plate Aluminum Nitride Ceramic Special-Shaped Wafer

High Thermal Conductivity Irregular Aln Plate Aluminum Nitride Ceramic Special-Shaped Wafer

US$10.00-30.00
2 Pieces(MOQ)
Sample Available
Shanghai Rui Tai Photoelectric Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
Customized Sic Silicon Carbide Ceramic Semiconductor Wafer

Customized Sic Silicon Carbide Ceramic Semiconductor Wafer

US$0.50-0.80
100,000 Pieces(MOQ)
Sample Available
Semiconductor Material 6h Sic Wafer Single Crystal (Silicon Carbide) Silicon Wafer

Semiconductor Material 6h Sic Wafer Single Crystal (Silicon Carbide) Silicon Wafer

US$0.50-0.80
100,000 Pieces(MOQ)
Sample Available
Premium M10 Silicon Wafer for Efficient Solar Energy Solutions

Premium M10 Silicon Wafer for Efficient Solar Energy Solutions

US$1.60-2.00
1,000,000 Pieces(MOQ)
Sample Available
Silicon Wafer/Silicon Plate/Silicon Slice/Optical Silicon Wafer/Semiconductor Silicon Wafer

Silicon Wafer/Silicon Plate/Silicon Slice/Optical Silicon Wafer/Semiconductor Silicon Wafer

US$20.00-30.00
100 Pieces(MOQ)
Sample Available
SHENZHEN JINGHUI INDUSTRY LIMITEDmic-icon
Satisfies 1/1 of your requirement
Polished Round Ceramic Silicon Carbide Sic Semiconductor Wafer

Polished Round Ceramic Silicon Carbide Sic Semiconductor Wafer

US$10.00-50.00
1 Piece(MOQ)
Sample Available
China Factory Custom Manufacturing Aluminum Nitride Aln Ceramic Wafer

China Factory Custom Manufacturing Aluminum Nitride Aln Ceramic Wafer

US$10.00-100.00
1 Piece(MOQ)
Sample Available
0.1mm 0.2mm Ultra-Thin 99.6% Aluminum Oxide Sheet Al2O3 Alumina Ceramic Wafer

0.1mm 0.2mm Ultra-Thin 99.6% Aluminum Oxide Sheet Al2O3 Alumina Ceramic Wafer

US$1.00-10.00
1 Piece(MOQ)
Sample Available
Round 96 99.6 Aluminum Oxide Substrate Alumina Al2O3 Ceramic Disc Wafer

Round 96 99.6 Aluminum Oxide Substrate Alumina Al2O3 Ceramic Disc Wafer

US$1.00-10.00
1 Piece(MOQ)
Sample Available
Hebei Baotong New Material Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
Polished 4h N Si Type Silicon Carbide Substrate Sic Wafer

Polished 4h N Si Type Silicon Carbide Substrate Sic Wafer

US$185.00-205.00
20 Pieces(MOQ)
Sample Available
Double Polished Substrate N Type Si Type Sic Wafer Silicon Carbide Wafer Semiconductor

Double Polished Substrate N Type Si Type Sic Wafer Silicon Carbide Wafer Semiconductor

US$500.00-605.00
20 Pieces(MOQ)
Sample Available
Silicon Carbide Substrate 4/6 Inch P Grade 4h-N Sic Seed Wafer

Silicon Carbide Substrate 4/6 Inch P Grade 4h-N Sic Seed Wafer

US$185.00-205.00
20 Pieces(MOQ)
Sample Available
4 Inch 6inch Sic Wafer Materials for Semiconductors Si-N Type Si-P Type

4 Inch 6inch Sic Wafer Materials for Semiconductors Si-N Type Si-P Type

US$100.00-605.00
20 Pieces(MOQ)
Sample Available
Polished Sic Silicon Carbide Wafer 1mm Thickness for Ingot Growth

Polished Sic Silicon Carbide Wafer 1mm Thickness for Ingot Growth

US$7,930.00-7,980.00
2 Pieces(MOQ)
Sample Available
High Quality 350/500 Um 4/6 Inch P Grade 4h-N Silicon Carbide Sic Wafer

High Quality 350/500 Um 4/6 Inch P Grade 4h-N Silicon Carbide Sic Wafer

US$585.00-605.00
20 Pieces(MOQ)
Sample Available
4 Inch 6 Inch P Grade Sic Silicon Carbide Wafer Customized Sic Substrate Silicon Carbide Wafer

4 Inch 6 Inch P Grade Sic Silicon Carbide Wafer Customized Sic Substrate Silicon Carbide Wafer

US$585.00-605.00
20 Pieces(MOQ)
Sample Available
Polished Round Ceramic Silicon Carbide Sic Semiconductor Wafer 350/500 Um Thickness 4/6 Inch

Polished Round Ceramic Silicon Carbide Sic Semiconductor Wafer 350/500 Um Thickness 4/6 Inch

US$585.00-605.00
20 Pieces(MOQ)
Sample Available
500 Um 4 Inch 6 Inch Silicon Carbide Wafer P Grade Sic Wafer Price

500 Um 4 Inch 6 Inch Silicon Carbide Wafer P Grade Sic Wafer Price

US$585.00-605.00
20 Pieces(MOQ)
Sample Available
4inch Prime Grade 4h-N 1.5mm Sic Silicon Carbide Wafer

4inch Prime Grade 4h-N 1.5mm Sic Silicon Carbide Wafer

US$470.00-498.00
1 Piece(MOQ)
Sample Available
Silicon Carbide Substrate 4/6 Inch P Grade 4h-N Sic Wafer for Semiconductor

Silicon Carbide Substrate 4/6 Inch P Grade 4h-N Sic Wafer for Semiconductor

US$200.00
1 Piece(MOQ)
Sample Available
Semiconductor Use 4h-N 4h-Si Sic Substrate Silicon Carbide Wafer

Semiconductor Use 4h-N 4h-Si Sic Substrate Silicon Carbide Wafer

US$192.00-205.00
20 Pieces(MOQ)
Sample Available
6 Inch 4h-Semi Dummy Grade Sic Silicon Carbide Wafer for Research and Experiment

6 Inch 4h-Semi Dummy Grade Sic Silicon Carbide Wafer for Research and Experiment

US$470.00-498.00
1 Piece(MOQ)
Sample Available
P Grade 4 Inch 6 Inch 8 Inch Sic Silicon Carbide Wafer Sic Wafer for Semi Conductor

P Grade 4 Inch 6 Inch 8 Inch Sic Silicon Carbide Wafer Sic Wafer for Semi Conductor

US$1,200.00-1,300.00
2 Pieces(MOQ)
Sample Available
4inch 6inch Seed Sic Wafer 1.0mm Thickness 4h-N Sic Silicon Carbide Wafer for Seed Growth

4inch 6inch Seed Sic Wafer 1.0mm Thickness 4h-N Sic Silicon Carbide Wafer for Seed Growth

US$472.00-500.00
1 Piece(MOQ)
Sample Available
4 Inch 4h-N Type Sic Substrates 0.35 mm DSP Production Grade Silicon Carbide Wafer

4 Inch 4h-N Type Sic Substrates 0.35 mm DSP Production Grade Silicon Carbide Wafer

US$470.00-498.00
1 Piece(MOQ)
Sample Available
Customized 4 Inch 6 Inch N Type Sic Substrate Silicon Carbide Wafer

Customized 4 Inch 6 Inch N Type Sic Substrate Silicon Carbide Wafer

US$185.00-205.00
20 Pieces(MOQ)
Sample Available
High Quality P Grade 100mm 4 Inch 6 Inch 8 Inch Silicon Carbide Ingot Wafer Sic Semiconductor Substrate

High Quality P Grade 100mm 4 Inch 6 Inch 8 Inch Silicon Carbide Ingot Wafer Sic Semiconductor Substrate

US$100.00-1,000.00
1 piece(MOQ)
Sample Available
Polished Silicon Carbide Wafer 4/6 Inch Z Grade P Grade D Grade Si-Type Sic Wafer

Polished Silicon Carbide Wafer 4/6 Inch Z Grade P Grade D Grade Si-Type Sic Wafer

US$100.00-205.00
20 Pieces(MOQ)
Sample Available
Silicon Carbide Substrate 4/6inch P Grade 4h-N Sic Seed Wafer

Silicon Carbide Substrate 4/6inch P Grade 4h-N Sic Seed Wafer

US$19.00-200.00
20 Pieces(MOQ)
Sample Available
Hangzhou HCJingRui Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
4 Inch P Grade High Purity Semi-Insulating Sic Substrate Sic Wafer

4 Inch P Grade High Purity Semi-Insulating Sic Substrate Sic Wafer

US$589.00-685.00
5 piece(MOQ)
6 Inch P Grade Silicon Carbide Wafer Sic Wafer MOS Sbd

6 Inch P Grade Silicon Carbide Wafer Sic Wafer MOS Sbd

US$349.00-390.00
10 piece(MOQ)
6-Inch P-Grade Sic Wafer Sic Substrate MOS&Sbd

6-Inch P-Grade Sic Wafer Sic Substrate MOS&Sbd

US$349.00-390.00
10 piece(MOQ)
6inch Ultra-P Grade 4h N Type Silicon Carbide Wafer Sic Wafer

6inch Ultra-P Grade 4h N Type Silicon Carbide Wafer Sic Wafer

US$600.00-660.00
3 piece(MOQ)
Semiconductor 6 Inch High Purity Semi-Insulating Sic Substrate Sic Wafer

Semiconductor 6 Inch High Purity Semi-Insulating Sic Substrate Sic Wafer

US$1,130.00-1,250.00
5 piece(MOQ)
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Sourcing guidance for Sic Wafer

What are the key technical specifications to consider when sourcing SiC wafers?

When procuring SiC wafers, you must prioritize crystalline quality and surface finish. Key metrics include Micropipe Density (MPD), which should ideally be <0.1 cm^-2 for high-grade power electronics, and Dislocation Density (BPD/TSD). Ensure the Surface Roughness (Ra) is <0.2 nm to facilitate epitaxial growth. Additionally, specify the polytype (typically 4H-SiC) and the resistivity range (Semi-insulating for RF or N-type for power devices) to match your specific application.

How do I evaluate the compliance and quality standards for semiconductor-grade SiC?

Suppliers must adhere to SEMI Standards (Semiconductor Equipment and Materials International), specifically SEMI M55 for polished monocrystalline SiC wafers. Verify that the manufacturer holds ISO 9001 for quality management and IATF 16949 if the wafers are intended for the automotive EV market. Request a Certificate of Analysis (COA) for every batch to confirm thickness TTV (Total Thickness Variation) and bow/warp parameters.

What are the typical usage scenarios and functional requirements for SiC wafers?

SiC wafers are primarily used in High-Voltage Power Electronics, such as EV Inverters, 5G Base Stations, and Renewable Energy Grids. Their functional advantage lies in a wide bandgap (3.26 eV), allowing for higher thermal conductivity and lower switching losses compared to traditional Silicon. For high-frequency applications, ensure the wafers support high electron mobility and can operate reliably at temperatures exceeding 200°C.

What is the economic feasibility of different SiC wafer sizes (6-inch vs. 8-inch)?

Currently, 6-inch (150mm) wafers are the industry standard with the most stable supply chain and highest yield rates. While 8-inch (200mm) wafers offer better long-term cost-efficiency by providing more chips per wafer, they currently command a significant price premium and have lower availability. For immediate large-scale production, 6-inch wafers remain the most economically viable choice for most B2B buyers.

Cross-Border Procurement Risks and Strategic Advice for SiC Wafers

What are the primary risks in cross-border SiC wafer purchasing?

The most significant risks include logistics-induced damage and export control compliance. SiC wafers are extremely brittle; ensure the supplier uses double-layered vacuum packaging and shock-absorbent cleanroom cassettes. Furthermore, check if the specific grade of wafer falls under dual-use technology export restrictions in the country of origin or destination to avoid customs seizures.

How should I negotiate with SiC wafer suppliers for long-term stability?

Given the global supply tightness, focus negotiations on capacity reservation rather than just unit price. Aim for a Long-Term Agreement (LTA) that guarantees a monthly allocation. Request tiered pricing based on cumulative annual volume, and insist on a fixed lead time clause with penalties for delays exceeding 14 days to protect your production schedule.

What transaction security tips should be followed for high-value semiconductor orders?

Use secure payment methods such as Letters of Credit (L/C) or Escrow services provided by reputable platforms like Made-in-China.com. Never release full payment until a third-party pre-shipment inspection (such as SGS or Intertek) has verified the wafer count and packaging integrity. Ensure the Incoterms are clearly defined, preferably CIF or DAP, to ensure the supplier bears the risk until the goods reach a manageable point.

What is the best method for shipping SiC wafers internationally?

Always utilize Express Air Freight (e.g., DHL, FedEx, or specialized semiconductor logistics). Sea freight is discouraged due to prolonged exposure to humidity and vibration. Ensure the shipment is marked as 'Fragile: High-Value Electronic Components' and includes temperature and humidity indicators inside the crate to monitor environmental conditions during transit.

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