China Factory for Lathe Machining - Tungsten Copper WCu Heat Sink – Fotma
China Factory for Lathe Machining - Tungsten Copper WCu Heat Sink – Fotma Detail:
Description
Tungsten copper electronic packaging material has both the low expansion properties of tungsten and the high thermal conductivity properties of copper. What is particularly valuable is that its thermal expansion coefficient and thermal conductivity can be designed by adjusting the composition of the material brought great convenience.
FOTMA uses high-purity and high-quality raw materials, and obtains WCu electronic packaging materials and heat sink materials with excellent performance after pressing, high-temperature sintering and infiltration.
Advantages of Tungsten Copper (WCu) Electronic Packaging Materials
1. The tungsten copper electronic packaging material has an adjustable thermal expansion coefficient, which can be matched with different substrates (such as: stainless steel, valve alloy, silicon, gallium arsenide, gallium nitride, aluminum oxide, etc.);
2. No sintering activation elements are added to maintain good thermal conductivity;
3. Low porosity and good air tightness;
4. Good size control, surface finish and flatness.
5. Provide sheet, formed parts, also can meet the needs of electroplating.
Copper Tungsten Heat Sink Properties
| Material Grade | Tungsten Content Wt% | Density g/cm3 | Thermal Expansion ×10-6 CTE（20℃） | Thermal Conductivity W/（M·K） |
| 90WCu | 90±2% | 17.0 | 6.5 | 180 (25℃) /176 (100℃) |
| 85WCu | 85±2% | 16.4 | 7.2 | 190 (25℃)/ 183 (100℃) |
| 80WCu | 80±2% | 15.65 | 8.3 | 200 (25℃) / 197 (100℃) |
| 75WCu | 75±2% | 14.9 | 9.0 | 230 (25℃) / 220 (100℃) |
| 50WCu | 50±2% | 12.2 | 12.5 | 340 (25℃) / 310 (100℃) |
Application of Tungsten Copper Heat Sinks
Materials suitable for packaging with high-power devices, such as substrates, lower electrodes, etc.; high-performance lead frames; thermal control boards and radiators for military and civilian thermal control devices.
Product detail pictures:
Related Product Guide:
Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for China Factory for Lathe Machining - Tungsten Copper WCu Heat Sink – Fotma , The product will supply to all over the world, such as: Uruguay, Surabaya, Latvia, For anyone who is keen on any of our goods right after you view our product list, please really feel absolutely free to get in touch with us for inquiries. You are able to send us emails and contact us for consultation and we shall respond to you as soon as we can. If it's easy, you may locate out our address in our web-site and come to our business for far more information of our products by your self. We are always ready to construct extended and steady co-operation relations with any possible customers in the related fields.
By Arabela from Albania - 2017.09.22 11:32
The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
By Amy from St. Petersburg - 2017.08.15 12:36