Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent
1985-11-29
1987-04-14
Schor, Kenneth M.
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With microwave gas energizing means
156643, 204298, 20419232, 219121PG, C23C 1450, C23C 1436
Patent
active
046576193
ABSTRACT:
A flat book-shaped substrate support electrode for a magnetically enhanced plasma processing apparatus has primary magnetic poles at first and second ends for generating a primary magnetic field that extends between the ends of the electrode in front of a processing surface of the electrode. An auxiliary magnet structure is spaced from the processing surface for generating an auxiliary magnetic field that tends to flatten the primary magnetic field. A diverter magnet generates a third magnetic field having curved lines of force centered on an axis spaced from a first edge of the electrode toward which electron drift occurs. The third magnetic field interacts with the resultant of the primary field and the auxiliary field at the first edge of the electrode and acts to stabilize the plasma in this region.
REFERENCES:
patent: 4581118 (1986-04-01), Class et al.
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