N-type Conductive SiC Substrates
N-type 4H-SiC double-side polished substrates in 4–12 inch sizes.
- 4H-SiC
- 4 / 6 / 8 / 12″
- N-type
SHANGHAI SHENGDI SEMICONDUCTOR
SiC MATERIALS · GLOBAL ENGINEERING SUPPLY
Silicon carbide,
from crystal to substrate
We supply SiC substrates, optical wafers, ingots, seed crystals, powder and CMP polishing pads—with specification review, sample validation and reliable delivery.
- 4–12 inch
- N-type / HPSI
- Batch documentation
Double-side polished SiC substrates4–12″Substrate sizes
N-type · HPSICore materials
Sample → BatchSupply path
CORE PORTFOLIO · SiC
SiC materials portfolio
From finished substrates to upstream crystal materials, selected by application, specification and grade.
Semi-Insulating SiC Substrates & Optical Wafers
High-purity semi-insulating SiC and optical wafers for RF and optical applications.
- HPSI 4H
- 4 / 6 / 8″
- Optical
Ingots, Seed Crystals, Powder & Moissanite
Ingots, seed crystals and powder for crystal growth and materials research.
- Ingot · Seed
- CVD powder
- A / B / C / R
PRODUCT LINE 02 · CMP
CMPCMP polishing pads
Polyurethane, nonwoven and suede-type nonwoven pads selected by workpiece, polishing stage, equipment and target metrics.
Polyurethane polishing pads
Foamed cured polyurethane with a closed-cell structure; wear resistant, efficient and dimensionally stable for rough polishing.
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Nonwoven polishing pads
Permeable polymer-fibre structure with configurable microstructure for fine polishing processes.
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Suede-type nonwoven polishing pads
Lower hardness, higher compression and good elasticity to improve roughness and within-wafer uniformity.
Learn moreWORKING PROCESS
Three steps from request to delivery
Technical confirmation comes before quotation to reduce unnecessary iterations.
Submit specification
Size, grade, quantity and application
Technical review
Parameters, documents and sample path
Delivery execution
Packing, logistics and traceability
QUALITY & DELIVERY
Specification, validation and lot delivery
We confirm product family, size, grade, key metrics and documentation from the application before samples or volume supply.
- Use, size, grade and volume
- Key parameters, inspection and files
- On-tool testing and feedback
- Quotation, lead time and records
Need a price, a specification or samples?
Tell us the size, grade and quantity — we will prepare a technical and commercial proposal.