Tape cassette for adsorbing and trapping corrosive gases

Details Tape cassette for adsorbing and trapping corrosive gases Tape cassette for adsorbing and trapping corrosive gases

1991-04-04

1993-08-10

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record medium

In container

360137, 242199, G11B 23087, G11B 3314

Patent

active

052354865

ABSTRACT:
A tape cassette has a magnetic tape wound and housed in a casing, the magnetic tape having a magnetic recording layer in the form of a ferromagnetic thin metal film. The tape cassette has a trap layer disposed near a portion of the magnetic tape. The trap layer is made of a resin having at least an amino group or an amide group. Even when the tape cassette is used in harsh environments in the presence of corrosive gases, the trap layer adsorps corrosive gases which have entered the tape cassette, thereby protecting the magnetic tape against deterioration.

REFERENCES:
patent: 4418373 (1992-11-01), Fujimori et al.
patent: 4486320 (1984-12-01), Sakurai et al.
patent: 4675309 (1987-06-01), Hirai et al.
patent: 4769730 (1988-09-01), Okamura et al.
patent: 4791503 (1988-12-01), Yamamoto et al.
patent: 4933797 (1990-06-01), Mitzutani et al.
patent: 5019933 (1991-05-01), Karsh
patent: 5023739 (1991-06-01), Shinohara et al.

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