Electrode assembly useful in confined plasma assisted chemical etching
First Claim
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1. An electrode assembly useful in confined plasma assisted chemical etching;
- comprises;
an electrode holder, said electrode holder having means for receiving an electrode;
means for laterally confining a plasma discharge established at said electrode; and
means for establishing a D.C. bias voltage on said electrode.
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Abstract
An electrode assembly (10) for use in confined plasma assisted chemical etching includes an electrode (16) having a D.C. voltage source (46) connected thereto in addition to a source (60) of R. F. voltage such that ions formed during during plasma etching process are slowed or repelled from the electrode (16) as well as from a surrounding plasma confining member (18).
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Citations
13 Claims
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1. An electrode assembly useful in confined plasma assisted chemical etching;
- comprises;
an electrode holder, said electrode holder having means for receiving an electrode; means for laterally confining a plasma discharge established at said electrode; and means for establishing a D.C. bias voltage on said electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- comprises;
Specification