Platinum or rhodium catalyzed multilayer ceramic coatings from h

Details Platinum or rhodium catalyzed multilayer ceramic coatings from h Platinum or rhodium catalyzed multilayer ceramic coatings from h

1986-12-04

1990-03-27

Pianalto, Bernard

Stock material or miscellaneous articles

Composite

Of inorganic material

427 38, 427 58, 427 74, 427 79, 427 96, 427 99, 427122, 4271262, 4271263, 4271264, 427226, 427228, 427240, 427249, 4272552, 427 556, 4272557, 427294, 4273762, 427380, 427387, 4273917, 427402, 4274192, 4274197, 4274198, 427 21, 427427, 4274301, 4274432, 428447, 428688, 428701, 428702, 428704, B32B 900

Patent

active

049119923

ABSTRACT:
This invention relates to materials produced by diluting in a solvent a platinum or rhodium catalyzed preceramic mixture of a hydrogen silsesquioxane resin and a metal oxide precursor selected from the group consisting of an aluminum alkoxide, a titanium alkoxide, and a zirconium alkoxide. The preceramic mixture solvent solution is applied to a substrate and ceramified by heating. One or more ceramic coatings containing silicon carbon, silicon nitrogen, or silicon carbon nitrogen can be applied over the ceramified SiO.sub.2 /metal oxide coating. A CVD or PECVD top coating can be applied for further protection. The invention is particularly useful for coating electronic devices.

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