发明名称 |
Method of making a magnetic recording medium with laser-formed differential zone lubrication |
摘要 |
Stiction failure of a magnetic recording medium is reduced by forming a lubricant topcoat having a first thickness over the landing zone greater than a second thickness over the data zone, with a sharp transition step having an angle of at least about 70° with respect to a line perpendicular to the surface. Embodiments include depositing a lubricant topcoat at a substantially uniform thickness and reducing the thickness of the lubricant topcoat over the data zone by about 20% to about 80% employing a laser light beam to volatilize the lubricant.
|
申请公布号 |
US6221442(B1) |
申请公布日期 |
2001.04.24 |
申请号 |
US19990311366 |
申请日期 |
1999.05.13 |
申请人 |
SEAGATE TECHNOLOGY LLC |
发明人 |
XUAN JIALUO JACK;SHIH CHUNG-YUANG;YANG XIAOHUA SHEL;LIU YOUMING;GUBBI VIDYA K. |
分类号 |
G11B5/84;G11B5/85;(IPC1-7):B05D3/00 |
主分类号 |
G11B5/84 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|