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H.C. Starck Ceramics GmbH & Co. KG Patents
H.C. Starck Ceramics GmbH & Co. KG
Selb, DE
No. of patents:

Patent Number Title Of Patent Date Issued
7244686 Bearings produced from silicon nitride substances containing sintering additives and SiO.sub.2 July 17, 2007
The present invention is directed to bearings produced from a silicon nitride material. The silicon nitride material consists of a sintering aid selected from the group consisting of Al.sub.2O.sub.3 and Y.sub.2O.sub.3, silicon dioxide, and optionally, up to 10 mole %, based on the am
6916560 Silicon nitride based substrate for semi-conductor components July 12, 2005
The invention relates to a silicone nitride based substrate for semi-conductor components, said substrate containing silicon nitride (Si3N4), silicon carbide (SIC) and silicon oxynitride(Si2N2O) as crystalline phases. The silicon phase content is less or equal to 5%, the shrinkage du

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