Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – Having glow discharge electrode gas energizing means
Reexamination Certificate
2005-09-27
2005-09-27
Hassenzadeh, Parviz (Department: 1763)
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
Having glow discharge electrode gas energizing means
C156S345430, C156S345470, C156S345510
Reexamination Certificate
active
06949165
ABSTRACT:
An electrical connection means45guides a DC voltage, which is generated in an ion sheath when a plasma is excited, to a first electrode31where a substrate W is placed. Hence, the DC voltage is applied to both the upper and lower surfaces of the substrate W, so the two surfaces of the substrate have the same potential. As a result, element breakdown, which occurs when a large potential difference occurs between the two surfaces of the substrate W, can be prevented.
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Arancibia Maureen G.
Finnegan Henderson Farabow Garrett & Dunner LLP
Hassenzadeh Parviz
Tokyo Electron Limited
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