Support for magnetic recording medium, and magnetic...

Details Support for magnetic recording medium, and magnetic... Support for magnetic recording medium, and magnetic...

2011-02-01

2011-02-01

Bernatz, Kevin M. (Department: 1785)

Stock material or miscellaneous articles

Magnetic recording component or stock

Magnetic recording media substrate

C428S848800, C427S132000

Reexamination Certificate

active

07879471

ABSTRACT:
A magnetic recording medium substrate has a polyester film having metallic oxide-containing layers (layers M) formed on both the surfaces, one layer on each surface, the layers M having a thickness of 50 to 200 nm each, characterized in that the magnetic recording medium substrate has a total light transmittance of 0 to 75% and a surface resistivity of 1×102to 1×1013Ω on each surface.

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Translation (machine) JP 05-274646 (Oct. 22, 1993).
Translation (machine) JP 2005-196944 (Jul. 21, 2005).
Abstract JP 05-274646 (Oct. 22, 1993).
XP002490263, Database WPI week 199348, Thomas Scientific, London, GB; AN, 1993-379957.

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