Dynamic magnetic information storage or retrieval – Head mounting – For shifting head between tracks
Reexamination Certificate
2006-03-14
2006-03-14
Chen, Tianjie (Department: 2652)
Dynamic magnetic information storage or retrieval
Head mounting
For shifting head between tracks
C360S254200
Reexamination Certificate
active
07012788
ABSTRACT:
A hard disk drive utilizes a spacer ring at its inner diameter to load and unload the read/write heads. During relatively small shock events, the actuator is retained relative to the disk through a circumferential groove in the spacer ring. A complementary protrusion on the load/unload tab extends from the actuator into the groove to complete the retention. A tribological coating on the spacer ring and/or protrusion significantly reduces wear therebetween. However, during large shock events an inertial latch is used by the system to hold the actuator in place.
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Gillis Donald Ray
Suk Mike
Bracewell & Giuliani LLP
Chen Tianjie
Hitachi Global Storage Technologies - Netherlands B.V.
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