Etching a substrate: processes – Forming or treating article containing magnetically...
Patent
1994-06-07
1995-08-29
Powell, William
Etching a substrate: processes
Forming or treating article containing magnetically...
216 39, 216 48, 216 99, B44C 122, C03C 1500, C23F 102
Patent
active
054457076
ABSTRACT:
An article comprising a substrate formed with predetermined patterns and magnetized magnetic substances arranged in the substrate in accordance with the predetermined patterns, and a method of manufacturing an article with magnetized magnetic substances arranged according to predetermined patterns, comprising the steps of arranging said magnetic substances in a substrate in accordance with the predetermined patterns and magnetizing the magnetic substances.
REFERENCES:
patent: 4948460 (1990-08-01), Sandaiji et al.
Togawa Masayuki
Toyama Kiyoshi
Powell William
Teijin Seiko Co., Ltd.
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