99.6% Alumina Substrates for High-Power Electronic Modules
Ceramic Substrate
SKU: FWM/CS-ALU-011
Product Configuration
Conceptual substrate forms only; final geometry, processing and surface condition follow the approved drawing.
Alumina Substrate
Representative substrate form for drawing review.
Drawing-Processed Substrate
Processing route and features are confirmed during RFQ review.
- Material
- Alumina
- Size
- Custom sizes by drawing
- MOQ
- 10 pieces
- Applications
- Power Modules
High-purity alumina substrates for electrically insulating power-module carriers and controlled circuit processing.
Clear product and processing details help the team review feasibility, material grade and the appropriate quotation scope.
Browse Products
Alumina Ceramic Products
Zirconia Ceramic Products
Silicon Carbide Products
Silicon Nitride Products
Aluminum Nitride Products
Product Description
Review material position, substrate forms and processing scope.
High-purity alumina substrates for electrically insulating power-module carriers and controlled circuit processing.
These grade positions support early product-family selection. Final composition, acceptance criteria and processing route are confirmed during RFQ review.
Processing and inspection are selected for the grade, geometry and assembly process.
Published numerical values are typical references. Final specifications remain subject to material grade, geometry, supplier capability and agreed test method.
Product Features
- 96% and high-purity alumina options
- Custom substrate processing
- Prototype and production RFQ support
- 96% Alumina
- General electronic applications
- Thick-film related applications
Typical Applications
- Power Modules
- Industrial Power Electronics
Technical Data
| Property | 96% Alumina | 99.6% Alumina |
|---|---|---|
| Al2O3 content | 96% | 99.6% |
| Density | 3.70–3.78 g/cm³ typical | 3.86–3.96 g/cm³ typical |
| Flexural strength | 310–450 MPa typical | 470–550 MPa typical |
| Thermal conductivity | 20–25 W/m·K typical | 27–30 W/m·K typical |
| CTE | 6.7–7.2 × 10⁻⁶/K typical | 6.8–7.2 × 10⁻⁶/K typical |
| Dielectric strength | >15 kV/mm, depending on thickness and test method | >15 kV/mm, depending on thickness and test method |
| Dielectric constant | About 9.8 at 1 MHz | About 9.7–9.9 at 1 MHz |
| Volume resistivity | >10¹⁴ Ω·cm typical at 25 °C | >10¹⁴ Ω·cm typical at 25 °C |
| Water absorption | 0% nominal for dense ceramic | 0% nominal for dense ceramic |
Typical lead times depend on specification, quantity, material availability, drawing and inspection requirements. Values shown are typical engineering references, not guaranteed order specifications. Final values require grade, drawing, supplier route and test-basis confirmation.
Available Forms
These configurations describe sourcing needs, not separate material grades. Each option is reviewed against the drawing, surface, feature and order requirements.
- Standard Alumina Ceramic Substrates
- Laser-Drilled Alumina Ceramic Substrates
- Laser-Scribed Alumina Ceramic Substrates
- Polished Alumina Ceramic Substrates
- Large-Size / Low-Warpage Alumina Ceramic Substrates
Packaging & Shipping
Packaging is selected for substrate finish, quantity and export handling.
| Item | Details |
|---|---|
| Packaging approach | Packaging is selected for substrate finish, quantity and export handling. |
| Protection methods | Individual separation; Anti-scratch interlayers for polished surfaces; Tray or foam protection; Inner box and export carton; Moisture protection where appropriate; Wooden case for larger export consignments when required |
| MOQ reference | 10 pieces |
| Lead-time references | Bare substrates: 2–4 weeks; Custom processing: 3–5 weeks; Metallized: 4–8 weeks |
About FreeWill Material
FreeWill Material supplies technical ceramic components for demanding industrial applications. Our product range includes silicon carbide, silicon nitride, alumina, zirconia and other engineered ceramic materials.
We work with qualified manufacturing resources in China to support material selection, drawing-based customization, production coordination, inspection documentation and export delivery. Component feasibility, tolerances and material grades are reviewed according to the customer's drawings and operating conditions.
Our focus is to provide international buyers with clear technical communication, practical sourcing support and responsive quotation service for custom ceramic components.
- Drawing-Based Customization
- Material Selection Support
- Inspection Documentation
- Export Coordination