HGA dynamics testing with shear mode piezo transducers

Details HGA dynamics testing with shear mode piezo transducers HGA dynamics testing with shear mode piezo transducers

2006-04-25

2006-04-25

Ho, Tu-Tu (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Responsive to non-electrical signal

Physical deformation

C257SE27006

Reexamination Certificate

active

07034372

ABSTRACT:
An HGA dynamics tester and method are provided in which a shear mode piezo actuator having a dimensional change responsive to an input voltage while supported on a mass is coupled through an HGA support to impart movement to the HGA responsive to the actuator dimensional change.

REFERENCES:
patent: 6175182 (2001-01-01), Cross et al.
patent: 6363777 (2002-04-01), Tsay et al.
Sivadasan Kulangara, “Shear-Mode Piezo Transducers for HGA Dynamics Testing,” IEE Transactions On Magnetics, Sep. 2003, pp. 2246-2248, vol. 39, No. 5.

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