发明名称 |
Servo controlled lubricant thickness for near contact magnetic recording. |
摘要 |
The disk drive assembly has a disk assembly and a transducer carrying actuator which are surrounded by a housing and a lubricant film is maintained on the recording surfaces of the disk. A lubricant reservoir is positioned close to the disk recording surface, and a heater element is mounted in heat transfer relationship with the reservoir. A sensor determines the thickness of the lubricant film on the disk recording surface. A controller governs the power delivered to the heating element w.r.t. the lubricant film thickness determined by the sensor. A recirculating device captures lubricant that collects within the housing and returns it to the lubricant reservoir. The recirculator includes a wick structure that extends from a housing location where lubricant collects to the reservoir. The reservoir is planar and overlies the disk data surface with a separation not exceeding 500 microns. |
申请公布号 |
EP0605344(A3) |
申请公布日期 |
1995.01.04 |
申请号 |
EP19930480197 |
申请日期 |
1993.11.19 |
申请人 |
IBM |
发明人 |
GREGORY THOMAS ALLEN;KELLER CHRISTOPHER GUILD;HAGAN JAMES ALOYSIUS |
分类号 |
G11B33/12;G11B17/32;G11B19/02;G11B25/04;G11B33/14 |
主分类号 |
G11B33/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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