optostar
©2021 Optostar Ltd.. All Rights Reserved
Since 2004
For Optics, Semiconductors, MEMS and Biochemical reserachers
OPTOSTAR Ltd.
Crystal Wafers with Micro and Nano process
2-inch fused-silica wafers
(double-side polished )
UV-grade fused-silica wafers. ( Packed in a semiconductor-level clean room)
Fabrication and sales in lots of 10 per container box. High flatness and no visible bubbles.
Fused-silica wafers
Stock item available
10 wafers in a plastic box
2-inch fused-silica wafers, packed 10 per container / Standard spec.

Wafer Material Fused silica (High-purity quartz glass, made in Japan)
Wafer Diameter (50.8mm +/-0.1mm)
Wafer Thickness 0.5mm (+/-0.05mm)
Surface DSP (double side polished) and MIL-SPEC 60/40
TTV <=10um
Packing Ultrasonic cleaning plus Hard container package
Delivery About 7 days, Sent from Tokyo, Japan via UPS
Payment By bank transfer in US dollars and Euros
UV-grade fused-silica wafers perform nearly 90% transmission at 190nm.

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