Magnetic field application apparatus, magnetic transfer...

Details Magnetic field application apparatus, magnetic transfer... Magnetic field application apparatus, magnetic transfer...

2008-05-06

2008-05-06

Nguyen, Hoa Thi (Department: 2627)

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

C360S015000, C360S016000

Reexamination Certificate

active

07369337

ABSTRACT:
A magnetic field application apparatus includes a pair of magnetic field application means, each of which is arranged, at least during application of a magnetic field, on either side of a magnetic field application target so as to face each other, and which generate a magnetic field in a predetermined direction. Each of the magnetic field application means includes a pair of magnetic portions which generate a magnetic field in a desired direction from one of the magnetic portions toward the other magnetic portion, and of which the polarities on the side facing the magnetic field application target are different from each other. Each of the pair of magnetic portions is formed so that magnetic force applied to the magnetic field application target becomes weaker stepwise or continuously from the side of the magnetic portion, facing the other magnetic portion, toward the opposite side thereof.

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patent: 2003-272143 (2003-09-01), None

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