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Founded in 1971 in San Jose, California, San Jose Delta is an ISO 9001:2008 certified, ITAR registered manufacturer of high purity alumina ceramic materials. Utilizing 25,000 sq. ft. of manufacturing space, we perform precision machining, grinding and polishing services on a variety of materials that include alumina, MACOR® Machinable Glass Ceramic by Corning, Aluminum Nitride (AlN), Boron Nitride (BN), Sapphire, Beryllium Oxide (BeO) and other ceramic-like materials. Additional services offered include thick and thin-film metalizing and plating, laser marking, component assembly, and laboratory services.


San Jose Delta, Inc. is a registered BeO fabrication facility.

San Jose Delta, Inc. is a fabricator of MACOR® machinable glass ceramic with an in-stock selection of rods, bars and sheets online. Visit our webstore at www.sanjosedelta.com/macor or give us a call 408-727-1448 x119.


Alumina Ceramic 94%-99.9%
Aluminum Nitride (AlN)
Beryllium Oxide
Boron Nitride
Boron Carbide
MACOR® - machinable glass ceramic
Silicon Nitride

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