| Patent Number |
Title Of Patent |
Date Issued |
| 6841265 |
Titanium alloy vacuum and vacuum part |
January 11, 2005 |
| The objective of the present invention is to provide a titanium alloy vacuum container and vacuum parts that can easily achieve an ultra-high vacuum in a short time through vacuum evacuation.The titanium alloy of the titanium alloy vacuum container and vacuum parts has a compact structur |
| 6746786 |
Magnetic recording medium and process for producing the same |
June 8, 2004 |
| A magnetic recording medium, comprises a substrate; and a Co-containing spinel-type iron oxide thin film formed on the substrate, having a Co content of 1 to 20 mol % based on Fe, a coercive force value of not less than 159 kA/m (2,000 Oe), a thickness of 5 to 200 nm, a center line a |
| 6268024 |
Process for producing magnetic recording medium |
July 31, 2001 |
| A magnetic recording medium is prepared by forming on a plastic substrate, a nickel oxide underlayer having a plane (200) which is predominantly oriented in parallel with the surface of the plastic substrate, then forming on the nickel oxide underlayer at a substrate temperature of less |
| 6221519 |
Magnetic recording medium and process for producing the same |
April 24, 2001 |
| A magnetic recording medium comprising:a plastic substrate;a nickel oxide underlayer formed on said substrate; anda cobalt-containing maghemite thin film formed on said nickel oxide underlayer, containing cobalt at a molar ratio of cobalt to iron of 0.01:1 to 0.1:1, and having either a spaci |
| 6187462 |
Magnetic recording medium and process for producing the same |
February 13, 2001 |
| A magnetic recording medium of the present invention comprises: a plastic substrate; and a cobalt-containing maghemite thin film formed on said substrate, containing cobalt at a molar ratio of cobalt to iron of not more than 0.06:1, and having either a spacing of a plane (311) of not mor |
