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Our Tungsten-Copper (WCu) alloy sheets are a high-performance Heat Sink Material designed for thermal spreaders, bases, and lids in advanced Electronics Packaging. We offer fully customizable sheets where the material properties, thickness, and dimensions are tailored to meet the specific thermal and mechanical requirements of your application, ensuring optimal heat dissipation and structural integrity.
| Property | Range | Notes |
|---|---|---|
| Grade | W50Cu50 to W90Cu10 | Custom ratios available |
| Thermal Conductivity | 180 - 340 W/m·K | Higher Cu content increases conductivity |
| CTE | 6.5 - 12.5 x 10⁻⁶/K | Higher W content lowers expansion |
| Thickness | 0.5mm and up | Custom thicknesses available |
| Dimensions | Up to 300mm x 300mm | Custom sizes and shapes available |
The homogeneous microstructure of our WCu sheets ensures uniform and efficient heat spreading, eliminating hot spots and protecting sensitive semiconductor devices.
We customize the W/Cu ratio to provide a CTE that closely matches that of ceramic substrates (e.g., AlN, Al₂O₃) or chips, making our sheets ideal for direct bonding in high-reliability Ceramic Packages.
Our sheets are manufactured with superior flatness and surface finish, ensuring an optimal thermal interface when assembled, which is critical for effective Optoelectronic Packaging.
All our products are manufactured in our ISO 9001:2015 certified facility, guaranteeing the highest level of quality and process control.
We provide sheets tailored to your needs:
Our process involves powder blending, pressing, sintering, and infiltration, followed by precision rolling and surface grinding to achieve the desired thickness and finish. Every sheet is inspected for dimensional accuracy, flatness, and material defects.
"The custom WCu sheets we ordered were perfect for our power module base plates. The CTE match was exact, and the thermal performance exceeded our expectations. Excellent quality and service." - Packaging Engineer, Power Semiconductor Company
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Main Product:
Tungsten Heavy Alloys,
Heat Sink,
Electronic Packaging,
Rhenium Alloys,
Tantalum Alloys ,
Nickel Based Braze Alloy
