Sapphire substrates, blanks and windows polished by Valley

Polished Sapphire Substrates and Windows

Polished Sapphire blanks, substrates and windows are processed to extreme tolerances as thin as 12.5 microns by Valley Design.

The size of Sapphire that can be polished is limited only by the material availability. Blanks 12" diameter or 12" square can be lapped and polished. Keeping precise tolerances as well as flatness and parallelism, Valley Design can polish all common orientations including "A", "C", and "R" plane Sapphire.

Sapphire blank applications include covers, substrates, wafers, windows, flats and spacers. On "A" plane material, we routinely process pieces to 0.002"; however, for special applications we have made parts as thin as 0.0005".

Properties of Sapphire

Transmission Curve of Sapphire

Valley Design is an ISO 9002 Certified company, with nearly 30 years of experience performing precision lapping and polishing materials. Large geometry substrates, wafers, and windows of Glass, Quartz, Fused Silica, metal, and Ceramic plates as large as 36" x 36" are available to tolerances within microns.

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Valley Design East
Phoenix Park Business Center
2 Shaker Road, Bldg. E-001
Shirley, MA 01464
Phone: 978.425.3030
Fax: 978.425.3031

Valley Design
West 
Santa Cruz, CA 95060 
Phone: 831.420.0595 
Fax: 831.420.0592



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