Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1987-10-15
1989-03-14
Beck, Shrive
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
427 96, 427 98, 264129, 264135, B05C 3107
Patent
active
048123536
ABSTRACT:
A process for the production of a molded article such as a circuit board and the like includes applying catalyst such as palladium, gold, etc. to a primary molded article after roughening of its surfaces, then, after such pre-treatment, the primary molded article is set into a mold to form a secondary molded article covered with cover material only leaving a portion to be subjected to metal plating, and then the secondary molded article is removed from the mold and subjected to metal plating, and finally the cover material is removed after metal plating.
REFERENCES:
patent: 3884704 (1975-05-01), Rantell
patent: 4389771 (1983-06-01), Cassidy
patent: 4430154 (1984-02-01), Stahl
patent: 4451505 (1984-05-01), Jaus
patent: 4470883 (1984-09-01), Eichelberger
patent: 4532152 (1985-07-01), Elarde
patent: 4574031 (1986-03-01), Dorey
Beck Shrive
Dang Vi Duong
Sankyo Kasei Kabushiki Kaisha
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