Chemistry: electrical and wave energy – Processes and products
Patent
1977-04-12
1978-08-22
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
204DIG9, 204 43P, C25D 356, C25D 510, C25D 514
Patent
active
041087399
ABSTRACT:
A method for electroplating in a single electroplating bath comprising varying the electric current density so that a non-magnetic plated film and a ferromagnetic plated film are selectively deposited. To achieve this effect the electroplating bath must contain at least about 1 g/l NaH.sub.2 PO.sub.2.H.sub.2 O.
REFERENCES:
patent: 2453668 (1948-11-01), Marisic et al.
patent: 3480522 (1969-11-01), Brownlow
patent: 3802854 (1974-04-01), Mueller-Dittmann et al.
Kitamoto Tatsuji
Tadokoro Eiichi
Fuji Photo Film Co. , Ltd.
Kaplan G. L.
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