Plasma processing apparatus

Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – Having glow discharge electrode gas energizing means

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 5534751 (1996-07-01), Lenz et al.
patent: 5868848 (1999-02-01), Tsukamoto
patent: 5928528 (1999-07-01), Kubota et al.
patent: 6041734 (2000-03-01), Raoux et al.
patent: 6112697 (2000-09-01), Sharan et al.
patent: 2001/0013504 (2001-08-01), Imafuku et al.
patent: 09283498 (1997-10-01), None

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