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2021 High quality Silicon Wafers - Single Crystal Silicon Ingot – WMC


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No. Items Standard Specification
1 Size 2″, 3″, 4″, 5″, 6″, 8″, 9.5″, 10″, 12″
2 Diameter mm 50.8-241.3, or as required
3 Growth Method CZ, MCZ, FZ, FZ-NTD
4 Conductivity Type P-type/B doped, N-type/P-doped or Un-doped
5 Length mm ≥180 or as required
6 Orientation <100>,  <110>, <111>
7 Resistivity Ω-cm As required
8 Carbon Content a/cm3 ≤5E16 or as required
9 Oxygen Content a/cm3 ≤1E18 or as required
10 Metal Contamination a/cm3 <5E10 (Cu, Cr, Fe, Ni) or  <3E10 (Al, Ca, Na, K, Zn) 
11 Packing  Plastic bag inside, carton box outside. 

 

Symbol Si
Atomic Number 14
Atomic Weight 28.09
Element Category Metalloid
Group, Period, Block 14, 3, P
Crystal structure Diamond
Color Dark gray
Melting Point 1414°C, 2577.2°F, 1687.15 K
Boiling Point 3265°C, 5909°F, 3538.15 K
Density at 300K 2.329 g/cm3
Intrinsic resistivity 3.2E5 Ω-cm
CAS Number 7440-21-3
EC Number 231-130-8

 

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