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Since 2004
For Optics, Semiconductors, MEMS and Biochemical reserachers
OPTOSTAR Ltd.
Crystal Wafers with Micro and Nano process
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silicon
ST-cut single crystal quartz wafers
(Standard 2-inch wafers)


Quartz ingots

■Material
■Cut
■Diameter
■Thickness
■Primary flatness
■Front surface
■Back surface
■Packing

RH single crystal quartz
ST-cut
2inches (50.8 +/-0.2mm)
0.5mm ( +/-50 um)
X-cut (11-20) (15 +/-2mm)
Polished Ra <=10nm
Lapped condition
10 pcs per container
Single crystal quartz wafers

ST-cut Quartz wafers




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germanium
SiC&ZnO
Substrates (Wafers） Tubes & Rods Windows & Lenses Polish & Thin Films LASER process