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Contact Baienwei

Address: No. 13, Baofu Road, Tianbao Industrial District, Baodi, Tianjin,China.

TEL: 86-22-29291825

FAX: 86-22-29291821

Email: alsi@baienwei.com

Website: http://www.alsi-alloys.com

Novel Thermal Management Materials

Novel Thermal Management Materials
Our company produces the aluminum silicon alloy(AlSi alloy) raw materials for military,aerospace and electronic packages,such as Al-50%Si alloy housing,AL-50%Si alloy substrate for high-power pump combiner,Si-30%Al alloy wafer and etc.
Product Details

Aluminum Silicon alloys are binary alloys of silicon and aluminum, produced by our proprietary rapid solidified process. These controlled expansion Al-Si alloys are provided in a range of weight proportions of silicon and aluminum from 70Si/30Al to 27Si/73Al, with CTE’s 7 to 17 ppm/°C respectively. Aluminum Silicon(AlSi) alloys are lightweight, high thermal conductivity alloys that are increasingly being used for RF & microwave packages, electro-optical housing, power device base plates and other critical heat sinking applications. 


Total applications of the controlled expansion Al-Si alloys:


AlSi Alloy’s

Composition

 

    CTE

25℃

(ppm)

 

 

Baienwei

AlSi Alloy’s

Grades

 

 

Applications

 

 Al-27%Si

 

 17

 

  AlSi27 alloy

Commonly electronic packaging;  Circuit board stiffener;Heat sink or spreader  for avionic/telecommunications.

 

 Al-42%Si

 

 13.5

 

 AlSi42 alloy

 Laser-mirror;Electro-optical housing;optical devices;

 

 Al-50%Si

 

 11.5

 

 AlSi50 alloy

High-power electronic packaging;housing;radar packages

 

 Si-40%Al

 

 10

 

 AlSi60 alloy

 

Power device and laser packages

 

 Si-30%Al

 

 7.5

 

 AlSi70 alloy

RF & microwave packages;

High-brightness(HB)LED;Electro-optical housing;High-power laser substrate.




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