Chemistry: electrical and wave energy – Processes and products
Patent
1984-03-09
1985-03-26
Tufariello, Thomas
Chemistry: electrical and wave energy
Processes and products
204212, 204275, 204DIG7, C25D 110, C25D 1700
Patent
active
045071802
ABSTRACT:
The invention relates to a method for the electrodeposition of a homogeneously thick metal layer on the surface of a substantially flat cathode in which a screening member is placed in the electrolyte bath between the planes of the anode and the cathode. In order to improve the homogeneity of the thickness of the metal layer, which is desired, for example, in the manufacture of information carriers, a cylindrical screening member is used which is placed at a short distance from the cathode.
REFERENCES:
patent: 4259166 (1981-03-01), Whitehurst
patent: 4336112 (1982-06-01), Van Hoek
patent: 4359375 (1982-11-01), Smith
patent: 4391694 (1983-07-01), Runsten
patent: 4415423 (1983-11-01), Brooks
van der Hoorn Gustaaf H. A.
van der Werf Bernardus T.
Spain Norman N.
Tufariello Thomas
U.S. Philips Corporation
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