Magnetic tape cartridge made from heat resistant resinous materi

Details Magnetic tape cartridge made from heat resistant resinous materi Magnetic tape cartridge made from heat resistant resinous materi

1986-12-24

1988-12-13

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 23087

Patent

active

047915030

ABSTRACT:
A magnetic tape cartridge comprising a main case made of a resinous material selected from a copolymer comprising repeating units derived from a nitrogen-containing heterocyclic compound and a blend containing a homo- or co-polymer comprising repeating units derived from a nitrogen-containing heterocyclic compound, which has good heat resistance and suffers from less deformation at a high temperature. The content of the nitrogen-containing compound in the copolymer or blend is from 5 to 30% by weight.

REFERENCES:
patent: 4674703 (1987-06-01), Falk
patent: 4688128 (1987-08-01), Shiba et al.

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