Si
Precision Substrates
Silicon (Si) Wafer
Premium silicon wafers in multiple grades for integrated circuit fabrication, power devices, and MEMS applications. Our Si wafers feature exceptional purity, low defect density, and precise specifications.
Atomic #
0
Atomic Wt
28.085
CAS #
7440-21-3
Purity
99+%
Available Forms
4-inch wafers
6-inch wafers
8-inch wafers
12-inch wafers
Purity Grades
99.9999%
99.99999%
99.999999%
Applications
Semiconductor
- ✓Integrated circuits
- ✓Power devices
- ✓MEMS
Optical & Display
- ✓Solar cells
- ✓Optical windows
Technical Specifications
| Crystal Structure | Diamond (Cubic) |
| Bandgap Energy | 1.12 eV (indirect, 300K) |
| Dislocation Density | <10⁴ cm⁻² |
| Resistivity | 1-10⁵ Ω·cm (varies by doping) |
| Thermal Conductivity | 150 W/m·K @ 300K |
Storage Requirements
Store in sealed cleanroom-compatible containers. Room temperature storage. Maintain cleanroom conditions for bare wafers. Protect from mechanical damage.
Packaging Options
- •Standard wafer cassettes
- •Cleanroom carriers
- •Vacuum-sealed packaging
- •Custom dicing available
Request Silicon (Si) Wafer
Get a custom quote or learn more about our silicon (si) wafer supply options.