Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428906 | Magnetic recording media having a layered structure for perpendicular magnetization of a recording layer | Lan Zhang | 2002-08-06 |
| 6423431 | Magnetic recording media having improved magnetic and parametric performance with chromium alloy underlayer having added aluminum | Ji-Feng Ying | 2002-07-23 |