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Browse by Category: Main > Material Science
Class Information
Number: 428/819.1
Name: Stock material or miscellaneous articles > Magnetic recording component or stock > Magneto-optical media stock > Multiple magnetic layers, at least one of which is magneto-optic > Unit structure (i.e., three or more differing magnetic layers in series) > Reoccurring unit structure
Description: Subject matter in which the medium has the unit structure repeated multiple times.










Patents under this class:

Patent Number Title Of Patent Date Issued
8313846 Magnetic artificial superlattice and method for producing the same Nov. 20, 2012
7285338 Anisotropic thin-film rare-earth permanent magnet Oct. 23, 2007
6663935 Disk-like multilayer information recording medium and production method thereof Dec. 16, 2003
6596418 Magnetic recording medium comprising an artificial lattice film containing B and O elements Jul. 22, 2003
6421303 MULTILAYER RESONANCE DEVICE AND MAGNETO-OPTICAL RECORDING MEDIUM WITH MAGNETIC CENTER LAYER OF A DIFFERENT THICKNESS THAN THAT OF THE COMPONENTS OF THE REFLECTING LAYERS, AND METHOD OF REPRODU Jul. 16, 2002
6141297 Magneto-optical recording medium Oct. 31, 2000
6017619 Ni/Pt multilayers for magneto-optical recording media Jan. 25, 2000
6010780 Magneto-optical memory medium Jan. 4, 2000
5958575 Magneto-optical recording medium Sep. 28, 1999
5858565 Magneto-optic compositionally modulated structure Jan. 12, 1999
5837386 Multilayer film materials system Nov. 17, 1998
5756202 Magnetic-optical recording medium May. 26, 1998
5750274 Multilayer magnetooptic recording media May. 12, 1998
5702830 Magneto-optical recording materials system Dec. 30, 1997
5648163 Magneto-optic recording medium having magneto-optic film layers separated by yttrium oxide Jul. 15, 1997
5635309 Magneto-optical recording medium Jun. 3, 1997
5612109 Optical storage medium including multiple data levels made of Co/Pt magneto-optic recording media Mar. 18, 1997
5565266 Multilayer magnetooptic recording media Oct. 15, 1996
5563000 Multilayer magnetooptic recording media Oct. 8, 1996
5536589 Magneto-optical recording medium Jul. 16, 1996
5521006 Magneto-optical recording medium May. 28, 1996
5441804 Magneto-optical recording medium and method for production thereof Aug. 15, 1995
5436072 Multilayer magnetooptic recording media Jul. 25, 1995
5418076 Magnetic-optical recording medium May. 23, 1995
5407755 Multilayer magnetooptic recording media Apr. 18, 1995
5391431 Magneto-optical recording medium Feb. 21, 1995
5370945 Magnetooptic recording medium Dec. 6, 1994
5305300 Magneto optical storage device using a multi-layer film of Pt/Co laminated sections Apr. 19, 1994
4978584 Magneto-optical storage medium Dec. 18, 1990
4929320 Method of making magneto-optical recording medium May. 29, 1990
4876159 Magnetrooptical recording media and method of preparing them Oct. 24, 1989
4837118 Magneto-optical recording medium Jun. 6, 1989
4789606 Magneto-optical recording medium Dec. 6, 1988
4727005 Magneto-optical recording medium having amorphous artificially layered structure of rare earth element and transition metal element Feb. 23, 1988
4670356 Magneto-optical recording medium and method of making same Jun. 2, 1987
4576699 Magneto-optical recording medium and method of making same Mar. 18, 1986











 
 
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