Recording sheet bonded to a substrate in a magnetic disk

Details Recording sheet bonded to a substrate in a magnetic disk Recording sheet bonded to a substrate in a magnetic disk

1986-09-24

1989-01-24

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

Disk

G11B 582

Patent

active

048004588

ABSTRACT:
A recording disk in which on each side of a substrate an inner and outer mounting ring extends above the surface of the substrate. A flexible recording sheet is adhesively bonded to the mounting rings to thereby form a gap between the substrate and the recording sheet. The bonding surfaces include many recesses to absorb extra adhesive. The recesses may be small holes, circumferential grooves or radial grooves, possibly with varying cross-sections.

REFERENCES:
patent: 4504842 (1985-03-01), Odawara
patent: 4555716 (1985-11-01), Odawara et al.
patent: 4573097 (1986-02-01), Pastor et al.
patent: 4609964 (1986-09-01), Sobel
patent: 4623570 (1986-11-01), Alexander et al.
patent: 4631609 (1986-12-01), Erickson et al.

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