Process for production of magnetic recording medium

Details Process for production of magnetic recording medium Process for production of magnetic recording medium

1995-02-13

1998-05-05

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

264 296, C01B 3100

Patent

active

057469512

ABSTRACT:
A process for producing a substrate for magnetic recording medium, which includes molding into an appropriate shape a polycarbodiimide resin or a composition mainly containing a polycarbodiimide resin, carbonizing the shaped material, and processing the carbonized shaped material into a substrate for magnetic recording medium.

REFERENCES:
patent: 5152941 (1992-10-01), Takaku et al.
patent: 5180529 (1993-01-01), Takaku et al.

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