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Your search returned 46 patents.
( 369/13.42 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5191561 | Magnetooptical recording medium including five magnetic layers for direct overriding by light intensity modulation without an external bias field
| September 11, 1991 |
| 5173885 | Magneto-optical recording medium and system for use with short wavelength light
| September 6, 1991 |
| 4938915 | Method of recording at least ternary data on optomagnetic recording medium having a plurality of magnetic layers
| March 27, 1989 |
| 4871614 | Opto-magnetic recording medium having three exchange-coupled magnetic layers
| March 16, 1988 |
| RE38922 | Magneto-optical recording medium and method for reproducing information from a magneto-optical recording medium having three layers
| November 3, 2000 |
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