Abstract: A Bloch line transferring method or system comprises a step of transferring only a first Bloch line of the Bloch line pair in the magnetic wall in a predetermined direction, and a step of transferring a second Bloch line of the Bloch line pair in the predetermined direction to form the Bloch line pair. It typically comprises applying a magnetic field perpendicular to a film plane of a magnetic thin film having the magnetic wall, to the magnetic thin film, and applying a magnetic field parallel to the film plane of the magnetic film, to the magnetic thin film along the magnetic wall.

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.

Abstract: There is disclosed a method of recording and/or reproducing in/from a Bloch line memory, including the step of: radiating or guiding a light beam to a vicinity of a distal end of a magnetic domain capabable of forming a Bloch line therein or on an extending line thereof.

Abstract: A magnetic memory has a substrate, a magnetic film provided on the substrate including a recording medium capable of producing a recording carrier, and a light waveguide layer on the magnetic film or on that surface of the substrate which is opposite to a surface on which the magnetic film is present. Recording and reproduction of information are effected relative to the magnetic film by a light propagated through the light waveguide layer.

Abstract: A magnetic head assembly in which grooves, extending in the slide direction of a magnetic recording medium, are formed on both sides of an electro-magnetic converting section on the surface where the magnetic recording medium slides.

Abstract: A magnetic record reproducing method includes the steps of bringing a magnetic film, capable of producing a magneto static wave, into intimate contact with or proximity to the recording surface of a magnetic recording medium, causing the magnetic film to produce the magnetostatic wave, detecting any variation in wave number in the magnetostatic wave attributable to the magnetized signal of the recording surface, and converting the variation in wave number in the magnetostatic wave into an electrical signal.

Abstract: A rotary head device comprising a stationary cylinder having a step portion on its peripheral surface to guide a tape-shaped medium and a rotary cylinder arranged to rotate freely relative to the stationary cylinder and having a corresponding diameter to that of the above-described stationary cylinder, the rotary cylinder being formed with an integral peripheral surface portion on the nearer side to the stationary cylinder of a rotary head mounted so as to project outwardly of a peripheral surface of the rotary cylinder.

Abstract: A magnetoresistive effect thin film magnetic sensor has a temperature compensating magnetoresistive effect (MR) element arranged non-parallel to a signal detecting MR element to prevent the temperature compensating MR element from being influenced by an external magnetic signal field. Alternatively, it has an L-shaped temperature compensating MR element arranged closely to the signal detecting MR element to prevent the temperature compensating MR element from being influenced by the external magnetic signal field. It further has a magnet member arranged closely to or in contact with the temperature compensating MR element to enhance a positional precision of the temperature compensation and reduce a time lag.