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Optical Glass Properties

Polished Sapphire substrates & wafers, Polished sapphire windows

Polished Sapphire Substrates and Windows
Valley Design produces standard and custom lapped or polished Sapphire wafers in all common orientations including A, C and R-plane Sapphire. Valley also provides ultra-thin polished Sapphire substrates and wafers. The size of Sapphire that can be polished is limited only by the material availability. Sapphire blanks up to 12″ diameter can be lapped, optically polished, diced and CNC machined. Holding precise tolerances as well as flatness, and parallelism is critical for many applications.

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 AS9100D / ISO 9001:2015 Certified company, with nearly 50 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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