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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



Wafer Billet

Wafer Billet
By using the rapid solidification process, our company fabricates a family of silicon-aluminum alloys,such as alloy wafers,which are made up of 70% silicon and 30% aluminium,for example,the Si-30%Al alloy and Si-20%Al alloy.
Product Details

High performance AlSi70 alloy or AlSi80 alloy wafers' substrates are used in photosensitive semiconductor devices.

Main applications:

 High power/brightness LED;

● Photovoltaic cells in the PV market.

Selectable silicon/aluminum(Si/Al) alloy:

AlSi70, Si-30%Al controlled expansion alloy;

● AlSi80, Si-20%Al controlled expansion alloy.

Replacement material:

● Al2O₃;


Comparable properties of different alloy materials:


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