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factory low price Indium Arsenide Substrates - 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

Single Crystal Silicon Ingot, when completely grown and qualified its resistivity, impurity content, crystal perfection, size and weight, is grounded using diamond wheels to make it a perfect cylinder to the right diameter, then undergoes an etching process to remove the mechanical defects left by the grinding process. Afterwards the cylindrical ingot is cut into blocks with certain length, and is given notch and primary or secondary flat by automated wafer handling systems for alignment to identify the crystallographic orientation and conductivity before downstream wafer slicing process.   

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  • Sample Available Upon Request 
  • Safety Delivery of Goods By Courier/Air/Sea
  • COA/COC Quality Management
  • Secure & Convenient Packing
  • UN Standard Packing Available Upon Request
  • ISO9001:2015 Certified    
  • CPT/CIP/FOB/CFR Terms By Incoterms 2010
  • Flexible Payment Terms T/T D/P L/C Acceptable
  • Full Dimensional After-Sale Services
  • Quality Inspection By Sate-of-the-art Facility
  • Rohs/REACH Regulations Approval
  • Non-Disclosure Agreements NDA
  • Non-Conflict Mineral Policy
  • Regular Environmental Management Review
  • Social Responsibility Fulfillment
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