High Performance Wafer Products

High Performance Wafer Products
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Product Details

High performance Si-30%Al alloy wafer products for semiconductor application.


Baienwei company produces AlSi wafers products generally are used for:

 Thermal carrier plate;

● High power/brightness LED;

● Photovoltaic cells in the PV market;

● Wafer level packaging.


Key features of Si-30%Al low expansion alloy:

● CTE compatible with compound semiconductor material;

 Lightweight;

 High thermal conductivity;

 Lower material cost.


Commonly Used Packaging Materials Performance Comparison:  

GradesContent
wt%
CTE 25℃ ppm/℃Thermal   Conductivity  25W/mKDensity    g/cm³Tensile  Strength MPaYield  Strength  MPaPoisson’s  RatioElongation
%
Elastic  Modulus   GPa 
AlSi27Al-27%Si171752.641701300.293.891
AlSi35, FAl-35%Si15.11522.5416595--2.585
AlSi42Al-42%Si13.51602.552001870.291105
AlSi50Si-50%Al11.51402.52202100.28<1108
AlSi60Si-40%Al91252.461811810.27<1121
AlSi70Si-30%Al7.51202.431381380.25<1131
AlSi80Si-20%Al61102.40125125----132


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