Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1990-10-22
1995-01-17
Levy, Stuart S.
Dynamic magnetic information storage or retrieval
Record medium
In container
36013021, 242346, 2426154, 524495, G11B 1560, G11B 2302, C08K 304
Patent
active
053830776
ABSTRACT:
Tape cassette tape guides are molded from a complex material of super macromolecular weight polyethylene-based resin having a molecular weight of from 500,000 to 1,000,000 mixed with polyphenyl sulfide resin or polybutylene terephthalate resin and carbon black of 1 to 15 percent by weight in order to reduce manufacturing costs.
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Hatakawa Kazuhiko
Sato Shin-ya
Evans Jefferson
Levy Stuart S.
Sony Corporation
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