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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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