Method for the manufacture of recording substrates for capacitan

Details Method for the manufacture of recording substrates for capacitan Method for the manufacture of recording substrates for capacitan

1980-09-24

1982-02-23

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 52R, 204DIG2, C25D 110, C25D 338

Patent

active

043167780

ABSTRACT:
Amphoteric fluorocarbon surfactants when added to acid copper plating baths which contain brighteners will substantially reduce or eliminate occluded hydrogen in the deposited copper without adversely affecting the properties of the copper and in particular the brightness of the copper.

REFERENCES:
patent: 2424887 (1947-07-01), Henricks
patent: 2707166 (1955-04-01), Brown
patent: 3267010 (1966-08-01), Creutz
patent: 3996114 (1976-12-01), Ehrsam
patent: 4038161 (1977-07-01), Eckles
patent: 4134803 (1979-01-01), Eckles
Udylite Technical Bulletin "Operation of the Udylite Bright Acid Copper Plating Process UBAC No. 1."
Encyclopedia of Chemical Technology, Kirk-Othmer, Second Edition 1969, vol. 19, pp. 507, 564-566, 578, 579.

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