| Patent Number |
Title Of Patent |
Date Issued |
| 6641890 |
Cartridge-contained recording medium |
November 4, 2003 |
| In a magneto-optical disc contained in a cartridge, a first dielectric layer, signal recording layer, second dielectric layer, and light reflecting layer are sequentially stacked on a substrate having formed grooves, and a first protective layer, print layer using at least one color |
| 6319623 |
Magneto-optical recording medium |
November 20, 2001 |
| A magneto-optical recording medium is disclosed with which magneto-optical recording is performed by a magnetic-field modulation method and which enables stable recording characteristics to be realized even if the intensity of the recording magnetic field is somewhat changed. When a |
| 5895707 |
Magnetic recording medium |
April 20, 1999 |
| A magnetic recording medium providing excellent electromagnetic conversion characteristics and durability in a still playback mode. The magnetic recording medium comprises a non-magnetic substrate and a multi-layer film formed on said non-magnetic substrate, the multi-layer film comprisi |
| 5066539 |
Magnetic recording medium wherein the magnetic layer contains components having specified polar |
November 19, 1991 |
| A magnetic recording medium improved in electromagnetic conversion characteristics and runnability is disclosed. The magnetic recording medium is formed by coating a non-magnetic substrate with a magnetic layer. The magnetic layer contains a fine ferromagnetic powder having a specifi |
