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Class Information
Number: 428/820.5
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 > Only two magnetic layers, at least one of which is magneto-optic > Adjacent magnetic layers > Specified performance related property (e.g., kerr rotation, etc.)
Description: Subject matter in which one or more of the magnetic layers has properties (physical or chemical) related to performance identified.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7060373 |
Magneto-optical recording medium and signal reproduction method |
Jun. 13, 2006 |
| 7054087 |
Magnetic recording-reproducing apparatus |
May. 30, 2006 |
| 6811889 |
Magneto-optical recording medium having a GDFECO readout magnetic film |
Nov. 2, 2004 |
| 6783832 |
Information recording medium |
Aug. 31, 2004 |
| 6621787 |
Optical storage medium having protective layer thicker than wavelength of useable light source |
Sep. 16, 2003 |
| 6463016 |
Magneto-optical storage medium having in-plane magnetized layers |
Oct. 8, 2002 |
| 6451424 |
Magneto-optical recording medium and method of manufacturing the same |
Sep. 17, 2002 |
| 6436524 |
Magneto-optical recording medium |
Aug. 20, 2002 |
| 6424601 |
Magneto-optical recording media having an auxiliary magnetic layer |
Jul. 23, 2002 |
| 6399174 |
Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information |
Jun. 4, 2002 |
| RE37719 |
Optical data recording system and method of production of recording medium |
May. 28, 2002 |
| 6331338 |
Amorphous alloy of light rare earth-transition metal and semi-metal, magneto-optical recording layer made of the alloy, and magneto-optical disk adopting the layer |
Dec. 18, 2001 |
| 6028824 |
Magnetooptical recording medium allowing overwriting with two or more magnetic layers |
Feb. 22, 2000 |
| 6017645 |
Composite material for magnetooptic recording its preparation and its use |
Jan. 25, 2000 |
| 5871855 |
Magneto-optical recording medium and method of using same |
Feb. 16, 1999 |
| 5792571 |
Magneto-optical recording medium having large kerr rotational angle in short wavelength range |
Aug. 11, 1998 |
| 5710746 |
Magneto-optical recording medium and reading method with magnetic layers of different coercivity |
Jan. 20, 1998 |
| 5663935 |
Magneto-optical recording medium having two magnetic layers of exchange-coupled at ferromagnetic phase |
Sep. 2, 1997 |
| 5657299 |
Magneto-optical recording medium |
Aug. 12, 1997 |
| 5637394 |
Magneto-optical recording medium and method of reproducing magneto-optical information using thereof |
Jun. 10, 1997 |
| 5549953 |
Optical recording media having optically-variable security properties |
Aug. 27, 1996 |
| 5498485 |
Magneto-optical recording medium and manufacturing method thereof |
Mar. 12, 1996 |
| 5462811 |
Magneto-optical recording media and mangeto-optical device using the media |
Oct. 31, 1995 |
| 4883710 |
Magneto-optical recording medium |
Nov. 28, 1989 |
| 4777082 |
Optical magnetic recording medium |
Oct. 11, 1988 |
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