Dynamic magnetic information storage or retrieval – Record medium – In container
Reexamination Certificate
2005-10-04
2005-10-04
Dinh, Dung C. (Department: 2152)
Dynamic magnetic information storage or retrieval
Record medium
In container
C369S288000, C428S035700
Reexamination Certificate
active
06952327
ABSTRACT:
A disk cartridge in which a disk is loaded is formed with composite synthetic resin including at least two types of thermoplastic resin, an anti-static polymer, and an inorganic filler, heat-deforming temperatures of at least two types of the thermoplastic resin mutually differing.The disk cartridge is provided by a method comprising the steps of mixing at least two types of thermoplastic resin to provide a mixture, heat-deforming temperatures of at least two types of the thermoplastic resin mutually differing, mixing an inorganic filler with a mixture of at least two types of the thermoplastic resin, mixing an anti-static polymer with the mixture of at least two types of the thermoplastic resin including the inorganic filler to provide a composite synthetic resin, injection molding the composite synthetic resin to provide component parts of the disk cartridge, and assembling the component parts to form the disk cartridge with the disk loaded therein.
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Kikuchi Shuichi
Kobayashi Daiki
Ogisu Kenji
Dinh Dung C.
Frommer William S.
Frommer & Lawrence & Haug LLP
Kupstas T.
Sony Corporation
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