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Product
SiO2-Coated-Si-Wafers

SiO2 Coated Si Wafers

Available in Stock
Thermal oxide coated Si wafers by dry or wet oxidation, single/double side coatings available
Product: Si wafer with SiO2 (thermal oxide) layer
Production method: High temperature furnace oxidation of Si wafer
Appearance: Color changes from silver gray to purple/blue after oxidation.
Si base wafer: Oxide layer can be produced on Si wafer of any grade (prime / dummy / solar / etc)
SiO2 coating:

• Oxide layer coated on double sides

  Oxidation in air naturally produced oxide layer on both sides of the wafers.

 

• Oxide layer coated on single side

  SiO2 layer on back side (usually non-polished side) can be removed upon request.

Oxide layer thickness: 10 nm up to 10 um
Polishing:

• As-cut wafers without polishing

• Single side epi-polished

• Double side epi-polished

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