Sputtering apparatus

Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering

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Details

20419212, 2041922, 20429816, 20429811, C23C 1434

Patent

active

056097395

ABSTRACT:
A sputtering apparatus for performing sputtering operation by using a rectangular target made of ferromagnetic material, the apparatus includes an electrode in which one first permanent magnet is disposed on each side edge of a front surface of the target, polarities of the first magnets confronting each other with the target interposed between the first magnets are opposite to each other, one second permanent magnet is disposed on each side edge of a rear surface of the target, polarities of the second magnets confronting each other with the target interposed between the second magnets are opposite to each other, and the polarity of each second magnet disposed on the rear surface of the target is the same as that of the first magnet disposed on the front surface of the target.

REFERENCES:
patent: 4880515 (1989-11-01), Yoshikawa et al.
patent: 4891560 (1990-01-01), Okumura et al.
patent: 5227778 (1994-01-01), Daube et al.
patent: 5397448 (1995-03-01), Gesche et al.
patent: 5403457 (1995-04-01), Nago et al.

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