Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device
Patent
1989-04-13
1991-07-02
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making electrical device
430314, 430318, 430329, 430330, G03C 500
Patent
active
050285130
ABSTRACT:
The present invention provide a process for producing printed circuit boards which comprises the steps of
REFERENCES:
patent: 3622334 (1971-11-01), Hurley et al.
patent: 3854973 (1974-12-01), Mersereau et al.
patent: 3873316 (1975-03-01), Velten et al.
Akahoshi Haruo
Hayashi Nobuyuki
Ishimaru Toshiaki
Kawamoto Mineo
Murakami Kanji
Bowers Jr. Charles L.
Hitachi , Ltd.
Hitachi Chemical Co. Ltd.
Pezzner Ashley I.
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