Method for manufacturing magnetic recording medium

Details Method for manufacturing magnetic recording medium Method for manufacturing magnetic recording medium

2011-01-04

2011-01-04

Meeks, Timothy H (Department: 1715)

Coating processes

Magnetic base or coating

Magnetic coating

C427S127000, C427S355000, C427S009000

Reexamination Certificate

active

07862853

ABSTRACT:
A method for manufacturing a magnetic recording medium with high reliability is provided, which can form a thin magnetic layer having a dry film thickness of, for example, 60 nm or less while the occurrence of defects on the surface is suppressed. In this method, a magnetic paint having a solid concentration NV (mass %) of 3≦NV≦8 is applied to a non-magnetic underlayer formed over a non-magnetic support to a wet film thickness Tw in a range of ≦2300 (nm).

REFERENCES:
patent: 6265032 (2001-07-01), Kurose et al.
patent: 6852404 (2005-02-01), Kuwajima et al.
patent: 2005/0074635 (2005-04-01), Mitani et al.
patent: A-2003-296915 (2003-10-01), None
patent: A 2005-108313 (2005-04-01), None

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