Coating processes – Direct application of electrical – magnetic – wave – or... – Plasma
Patent
1997-04-25
1998-06-16
Pianalto, Bernard
Coating processes
Direct application of electrical, magnetic, wave, or...
Plasma
427131, 427249, 427261, 427402, 427585, H05H 124
Patent
active
057666962
ABSTRACT:
In a plasma processing apparatus including a cylindrical electrode and plural electrodes which are disposed to face the cylindrical electrode in a circumferential direction of the cylindrical electrode, the plural electrodes are designed to have the prescribed curvature corresponding to that of the surface of the cylindrical electrode. The interval between the cylindrical electrode and the plural electrodes may be fixed or stepwise varied in the circumferential direction. The area of each of the plural electrodes may be different from that of the other electrodes.
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Ferguson Jr. Gerald J.
Pianalto Bernard
Semiconductor Energy Laboratory Co,. Ltd.
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