Information recording medium

Details Information recording medium Information recording medium

2005-03-22

2009-10-20

Bernatz, Kevin M. (Department: 1794)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

C428S835500

Reexamination Certificate

active

07604880

ABSTRACT:
In an information recording medium where respective concave parts of a magnetic layer, which is formed on at least one side e of a substrate and in which a predetermined convex/concave pattern has been formed, are filled with non-magnetic material and non-magnetic layers are formed by the non-magnetic material in at least partial regions of respective upper surfaces of respective convex parts of the magnetic layer, the non-magnetic layers are formed so that parts thereof protrude further in a direction in which the convex parts protrude than other parts of the non-magnetic layers.

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English Language Abstract of JP 9-097419.
English Language Abstract of JP 2000-195042.
English Language Abstract of JP 2003-109210.
English Language Abstract of JP 5-028469.
English Language Abstract of JP 2-023512.
English Language Abstract of JP 7-006359.
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