Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1989-05-31
1990-08-14
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 2302
Patent
active
049492101
ABSTRACT:
A tape cassette capable of ensuring firm joining between different resin layers of a casing and exhibiting a good aesthetic property. The tape cassette includes a casing consisting of upper casing member and lower casing member which are integrally made into a two-layer structure of a primary resin layer and a secondary resin layer integrally formed by two-layer molding. The secondary resin layer is formed with a plurality of penetrations and the primary resin layer is joined to the secondary resin layer in a manner to be fitted in the penetrations, resulting in being integral with the secondary resin layer.
Akaoka Kenkichi
Satoh Takateru
Shiba Haruo
Tanaka Kimio
Uemura Noboru
Heinz A. J.
TDK Corporation
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