Head-disc interface (HDI) modal response monitoring

Details Head-disc interface (HDI) modal response monitoring Head-disc interface (HDI) modal response monitoring

2007-07-11

2010-06-22

Tzeng, Fred (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

07742255

ABSTRACT:
Apparatus and method for head-disc interface (HDI) modal response monitoring. A sensing element disposed on a rigid actuator arm is mechanically impedance matched to a head-disc interface (HDI) supported by the actuator arm to resonate at a predetermined frequency corresponding to at least one disturbance associated with the HDI.

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