Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1994-03-01
1995-08-08
Resan, Stevan A.
Stock material or miscellaneous articles
Composite
Of inorganic material
428900, 428913, 235493, 360 2, 369 14, 369 15, 347221, 283 55, 283 601, 283 602, 283 82, 283900, 283901, 283904, G11B 500
Patent
active
054397553
ABSTRACT:
This invention provides a magnetic recording medium wherein visible patterns can be written, in which a heat sensitive layer is formed on a magnetic recording layer and a metallic thin layer is formed on said heat sensitive layer. The metallic thin layer of said magnetic recording medium can by roughed by using a material containing minute particles to form a roughed heat sensitive layer on the magnetic recording layer and then depositing the metallic thin layer on said heat sensitive layer. In using said magnetic recording medium, information corresponding to at least a part of the information recorded in the magnetic recording layer can be written as visible patterns.
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Fujita Minoru
Nakahara Yoshihiko
Sugaya Kenji
Kyodo Printing Co., Ltd.
Resan Stevan A.
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