Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1984-09-17
1986-03-25
Robinson, Ellis P.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
252 6254, 360134, 360135, 360136, 427128, 4272481, 4272551, 4272556, 428404, 428405, 428406, 428694, 428900, G11B 570
Patent
active
045783144
ABSTRACT:
A magnetic recording medium having deposited on the surface of a non-magnetic substrate a magnetic layer formed by dispersing a powdered magnetic substance and a powdered abrasive in a binder, which magnetic recording medium is characterized by having abrasive particles activated on the surface thereof.
REFERENCES:
patent: 4091164 (1978-05-01), Schwarz
patent: 4320159 (1980-02-01), Ogawa
patent: 4330600 (1982-05-01), Kawasumi
patent: 4379809 (1983-04-01), Matsufuji
Abe Shinji
Fukushima Kiyoto
Ohta Hiroshi
Robinson Ellis P.
TDK Corporation
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