Manufacturing process for foil magnetic recording disks

Details Manufacturing process for foil magnetic recording disks Manufacturing process for foil magnetic recording disks

1979-12-10

1982-05-11

Moon, Charlie T.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29448, B29D 1700, B23P 1102

Patent

active

043286070

ABSTRACT:
A magnetic recording device employing a thin foil member is fabricated by radially compressing a ring member, securing the periphery of the foil member to the compressed ring, releasing the compression on the ring so that it expands to produce tension in the foil member.
A magnetic coating may be applied to the foil member either before or after securing it to the ring member.

REFERENCES:
patent: 3359549 (1967-12-01), Farrand et al.
patent: 3365079 (1968-01-01), Mauguen
patent: 3373413 (1968-03-01), Treseder
patent: 3480964 (1969-11-01), Siler
patent: 3537083 (1970-10-01), Vath
patent: 3599226 (1971-08-01), Lips

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