Invention Grant
- Patent Title: Head damage detection based on actuation efficiency measurements
- Patent Title (中): 基于启动效率测量的头部损伤检测
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Application No.: US11745691Application Date: 2007-05-08
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Publication No.: US07652840B2Publication Date: 2010-01-26
- Inventor: Barry Henry , Jim Fitzpatrick , Jesse Speckhard
- Applicant: Barry Henry , Jim Fitzpatrick , Jesse Speckhard
- Applicant Address: US CA Scotts Valley
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Scotts Valley
- Agency: Westman, Champlin & Kelly, P.A.
- Main IPC: G11B21/02
- IPC: G11B21/02
Abstract:
An actuation efficiency for a head is determined based on a displacement of the head relative to a storage media responsive to excitation of a heater element. Damage to the head is detected based on the determined actuation efficiency. Related circuits and devices are also discussed.
Public/Granted literature
- US20070268614A1 HEAD DAMAGE DETECTION BASED ON ACTUATION EFFICIENCY MEASUREMENTS Public/Granted day:2007-11-22
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