Method of manufacturing sputtering target assembly

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United States of America Patent

PATENT NO 5143590
SERIAL NO

07728249

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Abstract

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Described is a method of manufacturing a sputtering target assembly is that minimizes distortion during manufacture and a novel target assembly so produced. The method involves positioning a backing member in an external shoulder formed in the target member, electron beam welding mating surfaces and machining the interior surface of the welded assembly to provide a coextensive surface along the inner surfaces of the target and backing members. The resulting target assembly can withstand high water pressure and high sputter power levels.

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Patent Owner(s)

Patent OwnerAddress
JOHNSON MATTHEY ELECTRONICS INCEAST 15128 EUCLID AVENUE SPOKANE WA 99216

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Delano, Robert G Valleyford, WA 2 40
Steed, Garold L Spokane, WA 1 29
Strothers, Susan D Spokane, WA 40 317

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