Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent
1988-05-24
1989-09-05
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With microwave gas energizing means
118101, 1566591, 156668, B44C 122, B29C 3700, B05D 306, B05C 1102
Patent
active
048635472
ABSTRACT:
Equipment for cooling semi-conductor substrates and printed circuit boards after coating photo resist thereon including heating the substrate for treatment. A heating block furnished with a heating plate is provided in a holding frame device on which the substrate is placed and is so mounted that the heating block can be elevated and lowered vertically therein. The heating block further includes a cooling block having a cooling plate which can be reciprocated from one open side of the holding frame device to the interior thereof, the cooling plate being vertically elevated and lowered in the holding frame equipment when the cooling block is in the holding frame device.
REFERENCES:
patent: 4543147 (1985-09-01), Noto et al.
patent: 4717645 (1988-01-01), Kato et al.
Shidahara Hitoshi
Yamamoto Syozi
Drucker William A.
Powell William A.
Tazmo Co., Ltd.
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