The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 1992
Filed:
Oct. 25, 1990
Fumihiko Saito, Sagamihara, JP;
Takeo Ono, Atsugi, JP;
Hitoshi Oda, Yokohama, JP;
Kou Yoneda, Machida, JP;
Akira Shinmi, Yokohama, JP;
Tetsuya Kaneko, Atsugi, JP;
Nobuo Watanabe, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
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.