Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Reexamination Certificate
2011-06-14
2011-06-14
Nguyen, Nam X (Department: 1724)
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
C204S298070
Reexamination Certificate
active
07959776
ABSTRACT:
Claimed is a sputtering target system comprising a plurality of backing plates to be individually cooled. Each backing plate is provided on its back side with a meandering groove that is closed off by a sealing plate. The sealing plate is welded around its circumference to the backing plate and at the same time is welded to at least one ridge located at a distance from the frame, which separates two grooved sections from one another. The sealing plate thus welded to the backing plate not only closes off the grooves to form a cooling channel, but also is used for reinforcement of the otherwise relatively flat backing plate.
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Jischke Andreas
Krempel-Hesse Jörg
Schüβler Uwe
Wolf Hans
Applied Films GmbH & Co.
Ballard Spahr LLP
Berman Jason M
Nguyen Nam X
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