Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1990-06-04
1991-12-17
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
1566591, 156666, 156668, 156904, 430323, 430325, 430330, 29846, 205125, 205224, C25D 548, C23F 102
Patent
active
050732331
ABSTRACT:
Metallic patterns, such as printed circuits, are prepared by immersing metal substrates, bearing electrodeposited films and resist films in patterned areas, into an aqueous solution or dispersion of a hardening agent so that the hardening agent diffuses only into the electrodeposited film. This is followed by curing the hardening agent by heat or irradiation to render it resistant to the solvent used to remove the resist film and to the etchant solution for the metal exposed when the resist film is removed.
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patent: 4375498 (1983-03-01), Le Minez et al.
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Derwent Abst. No. 02694T-AL, Oct. 5, 1971.
Banks Christopher P.
Irving Edward
Ciba-Geigy Corporation
Dang Thi
Hall Luther A. R.
Simmons David A.
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