C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
C25F 3/02 (2006.01) B23K 10/00 (2006.01) C25F 1/00 (2006.01) C25F 7/00 (2006.01) H01L 21/3065 (2006.01) H05H 1/24 (2006.01)
Patent
CA 2601295
A method of low-damage, anisotropic etching and cleaning of substrates including mounting the substrate upon a mechanical support located within the positive column of a plasma discharge generated by either an ac or dc plasma reactor. The mechanical support is independent of the plasma reactor generating apparatus and capable of being electrically biased. The substrate is subjected to the positive column, or electrically neutral portion, of a plasma of low-energy electrons and a species reactive with the substrate. An additional structure capable of being electrically biased can be placed within the plasma to control further the extraction or retardation of particles from the plasma.
Choutov Dimitri A.
Gillis Harry P.
Martin Kevin P.
Georgia Tech Research Corporation
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
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