R-plane sapphire for SOS silicon-on-sapphire
Polished R-plane Sapphire Wafers for SOS
Valley Design offers thinning and polishing services on customer supplied SOS wafers.
R-plane Sapphire (1-102), 57.6 degrees to C-plane, is the preferred material for Silicon-on-Sapphire used in semiconductor, microwave and pressure transducer applications. Typical applications for Silicon on Sapphire wafers include:
Valley provides backthinning services to thin SOS wafers to as thin as 125um thick. Typical diameter sizes of these wafers are 2", 3", 100mm, 125mm, 150mm and as large as 200mm can be processed. We are also looking to purchase reclaim SOS wafers and bare polished sapphire wafers.
Other Sapphire related web pages:
Return to Home Page: Sapphire wafers and sapphire substrates
Valley Design East
Phoenix Park Business Center
2 Shaker Road, Bldg. E-001
Shirley, MA 01464
Valley Design West
Santa Cruz, CA 95060