Centrifugal dryer, manufacturing method for semiconductor...

Drying and gas or vapor contact with solids – Apparatus – With apparatus using centrifugal force

Reexamination Certificate

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Details

C034S059000, C034S312000, C034S317000, C073S572000

Reexamination Certificate

active

06993854

ABSTRACT:
A centrifugal dryer of the present invention includes: a chamber for performing drying processing for plural substrates; a cradle, installed inside chamber, and drying plural substrates by rotation driving in a state of being held therein; and an elastic wave sensor for detecting an elastic wave generating upon striking of a chip from plural substrates to said chamber during the processing therefor.

REFERENCES:
patent: 9-210973 (1997-08-01), None
patent: 10-160563 (1998-06-01), None
patent: 11-121430 (1999-04-01), None
patent: 11-121430 (1999-04-01), None
patent: 2000-353684 (2000-12-01), None
patent: 2000-353684 (2000-12-01), None
patent: 2000-353685 (2000-12-01), None
patent: 1997-0009982 (1997-03-01), None

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