Matches 1 - 34 out of 34


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7164623 Magneto-optical recording medium  
The present invention provides a magneto-optical recording medium including a recording layer, an intermediate layer and a reproducing layer stacked in this order. Information recorded in the...
RE38922 Magneto-optical recording medium and method for reproducing information from a magneto-optical recording medium having three layers  
A magnetooptical recording medium has a first magnetic layer which is an in-plane magnetization film at both room temperature and high temperatures and changed to a perpendicular magnetization...
6949302 Magneto-optical recording medium having a reproducing layer composed to control movement of domain walls therein  
A magneto-optical recording medium includes at least a first magnetic layer, a second magnetic layer and a third magnetic layer which are layered in this order, the first magnetic layer being...
6920091 Optical reproduction apparatus and optical recording and reproduction apparatus  
There is provided an optical reproduction apparatus and an optical recording and reproduction apparatus which can improve a CNR and can read at high speed. The center portion of a laser light...
6894954 Domain wall-displacement type magneto-optical medium and reproducing method for the same  
A magneto-optical recording medium has a domain wall displacement layer, a recording layer for accumulating information and a switching layer arranged between said domain wall displacement layer...
6853606 Magneto-optical storage medium capable of transferring magnetic domain from recording layer to reproducing layer  
A magneto-optical recording medium includes a substrate and a reproducing layer and a recording layer provided on the substrate. A recording magnetic domain is provided in the recording layer by...
6811889 Magneto-optical recording medium having a GDFECO readout magnetic film  
A magneto-optical recording medium including a recording layer for recording information and a substrate for supporting the recording layer is disclosed. The recording layer includes: a recording...
6808823 Magneto-optical recording medium and manufacturing method therefor  
A magneto-optical recording medium including a magnetic recording layer for recording information and a magnetic reproducing layer provided on the magnetic recording layer for reading information....
6707766 Magneto-optical storage media  
A magneto-optical storage medium includes an interference layer, a magnetic domain expansion layer, an intermediate layer, a magnetic masking layer, a recording layer, and a protection layer which...
6690625 Magneto-optical recording medium  
A magneto-optical recording medium is provided with at least: a recording layer, made of a perpendicular magnetization film, in which magnetized information is recorded in the form of a...
6660404 Magnetooptical recording medium including a connection layer that is non-magnetic by itself at room temperature but can be induced to exhibit magnetism when in contact with a magnetic layer  
A magnetooptical recording medium comprising at least a reproduction layer, an intermediate layer, a connection layer and a recording layer, wherein the reproduction layer and intermediate layer...
6630252 Magneto-optical recording medium comprising four magnetic layers  
An MO disk includes a readout layer, an intermediate layer and a recording layer each of which is made of a rare earth-transition metal amorphous material. The MO disk also includes a fourth...
6521357 Magneto-optical recording medium  
A magneto-optical recording medium including a recording layer for recording information and a substrate for supporting the recording layer is disclosed. The recording layer includes: a recording...
6430116 Magneto-optical storage medium having first and second recording layers  
A magneto-optical recording medium having a writing layer, a switching layer and a readout layer on a substrate, wherein a magnetization direction corresponding to information is written in the...
6430115 Magneto-optical recording device with three distinct layers  
A reproducing layer having perpendicular magnetization in a single layer, an in-plane magnetic layer, and a recording layer having perpendicular magnetization are formed in this order. When the...
6335908 Magneto optical recording medium with mask layer  
A magneto-optical recording medium includes a transparent substrate, an underlying layer, a reproducing layer, a mask layer, a recording layer, and a protection layer. Reproducing layer is an...
6118736 Magneto-optical recording medium having a reading layer in which transferred recording marks are extended  
A magneto-optical recording medium and a reading method thereof are disclosed, in which the reading output is hardly reduced even in bits written at sufficiently narrower intervals than the...
6096444 Magneto-optical recording medium capable of double mask readout  
A magneto-optical recording medium of a three-layered structure (consisting of a readout layer, an intermediate layer, and a recording layer), capable of double-mask magnetically-induced...
5965285 Magneto-optical recording medium and reproducing method for the same  
A magneto-optical recording medium having first magnetic layer and second magnetic layers respectively serving as recording and reproduction layers. When an exchange-coupled force is induced...
5945228 Magneto-optical recording medium and method for reproducing thereof  
A magneto-optical recording medium comprises: a readout magnetic film which is perpendicular magneto-anisotropy in a temperature range higher than room temperature and less than a second...
5831944 Magnetooptical recording medium and method for reproducing information from a magnetooptical recording medium having three layers  
A magnetooptical recording medium has a first magnetic layer which is an in-plane magnetization film at both room temperature and high temperatures and changed to a perpendicular magnetization...
5717662 Super-resolution magneto-optical recording medium using magnetostatic coupling and information reproduction method using the medium  
A magneto-optical recording medium includes a reproducing layer for contributing to reproduction, a recording layer for storing information, and an intermediate layer disposed between the...
5691963 Magneto-optical recording device using light-modulated technic without an initial magnetic field  
A magneto-optical recording medium including a base; a readout layer formed on the base; a recording layer formed on the readout layer; and an auxiliary recording layer formed on the recording...
5633838 Magneto-optical recording medium having two reproduction layers and a method for reproducing thereof  
A non-magnetic intermediate layer is provided between a reproductive layer and a recording layer. The reproductive layer is composed of a first reproductive layer and a second reproductive layer....
5623458 Method for reproducing information data recorded on a magneto-optical device having plural magnetic layers  
A method for reproducing information recorded on a magneto-optical recording medium that includes a transparent substrate, a first magnetic layer laminated on the transparent substrate, a second...
5604046 Magneto-optical recording medium and a method using the same  
This specification discloses a magneto-optical recording medium in which on the opposite side of a second magnetic layer having a relatively low curie temperature and a relatively great coercive...
5587851 Magnetic head driving device with prerecording energization  
A magnetic head driving device is disclosed. The device includes an inductor for generating a magnetic field, the inductor having a pair of terminals. The device has a first auxiliary coil for...
5309427 Overwrite-capable magnetooptical recording medium allowing enlarged margin of high level beam intensity  
A medium comprises a first layer consisting of perpendicularly magnetizable magnetic film functioning as a memory layer, a second layer consisting of perpendicularly magnetizable magnetic film...
5283770 Method of recording information on and reproducing information from magneto-optical recording medium  
A magneto-optical recording medium has a multi-layer magnetic film comprising at least a reproducing layer, a memory layer, and a recording layer which are successively deposited in magnetically...
5270994 Magneto-optical recording and reading method  
A recording and reading method and device of magneto-optical memory elements are provided to record and read an information signal to and from the magneto-optical memory elements, which contain at...
5233575 Magneto-optical recording medium  
A magneto-optical recording medium capable of overwriting which comprises a substrate, a magneto-optical recording layer provided on the substrate, a recording auxiliary layer provided on the...
5218582 Magneto-optic readout using a polarization-preserving optical guide  
Apparatus for reading out information magneto-optically recorded in a magnetic layer comprises a single, polarization-preserving optical guide (e.g., an optical fiber or two-dimensional waveguide)...
5208797 Magneto-optical recording media and apparatus  
In a magneto-optical recording system for recording information with bits having upward magnetization and having downward magnetization on a recording layer of a magneto-optical recording medium,...
5187694 Magneto-optical recording medium comprising recording layer and thermal bias layer, and method for recording, erasing and overwriting on the medium  
A magneto-optical information storage medium includes a substrate, a recording layer formed on the substrate and having an axis of easy magnetization extending in the direction perpendicular to...

Matches 1 - 34 out of 34