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Buying Silicon Materials (Ingot, Wafer, Scraps)

Date Posted: 27 Jun 2008
Offer Expires: 10 Feb 2010

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Detailed Buying Lead Description

  

CZ silicon ingots spec.   Wafer spec.

 

Type / Dopant    P type, Boron doped    

Thickness:      200 �20 祄

 

Diameter:    150 �1mm

 

Orientation: <100> �3   

 

Dimension: 125 �0.5mm    156�0.5mm

 

Lifetime     > 1.2  祍

 

Resistivity    0.5-3.0 Ohmcm

 

Oxygen content:   1�1018 /  Cm3

 

TTV:      <   40  祄

 

Carbon content:    5�1016 / Cm3

 

Bow:     <50 祄

 

No Saw mark ,Edge flaw, Chipping, Crack

 

As clean as wafer

 

Shape   Pseudo square 

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