Flexible disk comprising a supporting hub for supporting a magne

Details Flexible disk comprising a supporting hub for supporting a magne Flexible disk comprising a supporting hub for supporting a magne

1998-08-17

2000-08-29

Cao, Allen T.

Dynamic magnetic information storage or retrieval

Record medium

In container

369291, G11B 2303, G11B 370

Patent

active

061117277

ABSTRACT:
In a flexible disk comprising a magnetic recording medium having an annular shape with a medium circular opening, a jacket for receiving the magnetic recording medium, and a supporting hub for supporting the magnetic recording medium, the supporting hub comprises a bottom portion and a supporting body which is integrally fixed on the bottom portion. The bottom portion is freely inserted in a jacket circular opening of the jacket. The bottom portion has a bottom diameter greater than a medium opening diameter of the medium circular opening. The supporting body has an external diameter which is substantially equal to the bottom diameter of the bottom portion. The supporting body includes a supporting rest for supporting the magnetic recording medium by adhesive bonding at an inner circumferential edge in a lower surface of the magnetic recording medium inside of the bottom portion.

REFERENCES:
Essence Japanese-language brochure by Shoji Takahashi, 1989; pp. 160-161.

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