Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Patent
1997-04-11
1999-01-26
Nguyen, Nam
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
20429809, 20429811, 20429812, 20429814, 20429817, 20429818, C23C 1434
Patent
active
058633995
ABSTRACT:
A device for cathode sputtering for producing coatings on a substrate 27 by means of a sputtering cathode, which device can be introduced into a vacuum chamber and has magnets or ring magnets 9, 13 concentrically arranged in respect to the center axis 44 of the sputtering cathode, pole shoes 14 and a target 8. The target has a front surface 41 with at least a surface portion which is inclined with respect to the back surface 40 of the target. In the area of the back surface 40 of the target at least one second, outer ring magnet 42 with a larger diameter is provided in addition to the inner ring magnets 9, 13.
REFERENCES:
patent: 4060470 (1977-11-01), Clarke
patent: 4100055 (1978-07-01), Rainey
patent: 4407708 (1983-10-01), Landau
patent: 4957605 (1990-09-01), Hurwitt et al.
patent: 5688381 (1997-11-01), Gruenenfelder et al.
McDonald Rodney G.
Nguyen Nam
Singulus Technologies GmbH
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