Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1975-06-23
1976-07-20
Rutledge, L. Dewayne
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29199, B32B 1500
Patent
active
039704335
ABSTRACT:
An improved substrate on which a cobalt-magnetic recording layer may be plated and a method for producing it. The substrate includes inner and outer nickel layers with an intermediate gold layer between them. This results in a smooth surface on which a uniform and adherent cobalt recording layer can be deposited.
REFERENCES:
patent: 3471272 (1969-10-01), Wilhelm et al.
patent: 3595630 (1971-07-01), Wilhelm et al.
patent: 3702239 (1972-11-01), Nagy et al.
patent: 3738818 (1973-06-01), Stone et al.
Hill James Dan
Warmka Gary Paul
Control Data Corporation
Rutledge L. Dewayne
Schwarz Edward L.
Weise E. L.
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