Method of replacing atmosphere of chamber apparatus, chamber...

Semiconductor device manufacturing: process – Formation of semiconductive active region on any substrate – On insulating substrate or layer

Reexamination Certificate

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C438S711000, C118S715000

Reexamination Certificate

active

07037810

ABSTRACT:
An atmosphere of an inert gas inside a chamber room in a chamber apparatus is replaced with an outside air by opening a discharge passage in the chamber room and by closing a gas supply passage for supplying the inert gas. The outside air is thus forcibly sent to the chamber room to thereby replace the inert gas remaining inside the chamber room with the outside air.

REFERENCES:
patent: 3810327 (1974-05-01), Giansante
patent: 3988900 (1976-11-01), Kamata et al.
patent: 6434944 (2002-08-01), White
patent: 6535270 (2003-03-01), Murayama
patent: 6704088 (2004-03-01), Tanimoto
patent: 1999/0068950 (1999-09-01), None

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