Magnetic recording disk having center core secured by a base-les

Details Magnetic recording disk having center core secured by a base-les Magnetic recording disk having center core secured by a base-les

1984-11-07

1987-10-06

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

360135, G11B 2303, G11B 582

Patent

active

046987150

ABSTRACT:
A magnetic recording disk cartridge comprises a cartridge casing and a magnetic recording disk accommodated therein for rotation. The magnetic recording disk consists of an annular magnetic recording medium and a center core secured thereto at the center thereof. The center core has an upper half and a lower half secured together sandwiching therebetween the magnetic recording medium. A base-less double-sided adhesive tape which consists only of an adhesive layer and has no base material is sandwiched between the magnetic recording medium and the lower half of the center core to positively secure the former to the latter.

REFERENCES:
patent: 4185314 (1980-01-01), Hatchett et al.
patent: 4544977 (1985-10-01), Ozawa et al.

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