Static information storage and retrieval – Magnetic shift registers – Thin film
Patent
1990-10-25
1992-04-14
Popek, Joseph A.
Static information storage and retrieval
Magnetic shift registers
Thin film
365 29, G11C 1908
Patent
active
051053837
ABSTRACT:
In a method or device for detecting the presence and/or absence of a Bloch line in a magnetic wall of a magnetic domain formed in a thin magnetic film, a magnetic field parallel to the plane of the thin magnetic film is applied to the magnetic domain to cause a variation in the magnetic domain, the state of variation of the magnetic domain is detected and the presence and/or absence of a Bloch line in a predetermined position of the magnetic wall is detected according to the result of the detection of the state of variation set forth above.
REFERENCES:
patent: 3691540 (1972-09-01), Almasi et al.
patent: 4583200 (1986-04-01), Konishi et al.
American Institute of Physics Conference Proceedings on Magnetism and Magnetic Materials-No. 29; 1975; pp. 666-667.
IEEE Transactions on Magnetics, vol. MAG-19, No. 5, Sep. 1983; pp. 1841-1843.
"Magnetic Bubble Domain System Using Different Types of Domains", Malozemoff, IBM Technical Disclosure Bulletin, vol. 16, No. 9, Feb. 1974, pp. 3114-3115.
Kaneko Tetsuya
Oda Hitoshi
Ono Takeo
Saito Fumihiko
Shinmi Akira
Canon Kabushiki Kaisha
Popek Joseph A.
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