DocumentCode
2823765
Title
Study on lifetime prediction method for piggyback PZT actuator
Author
Nakamura, S. ; Naniwa, I. ; Sato, K. ; Yasuna, K. ; Saegusa, S.
Author_Institution
Hitachi Ltd., Japan
fYear
2000
fDate
6-8 Nov. 2000
Abstract
The experimental lifetime predictive equation for a piggyback PZT actuator was obtained. It agrees with Arrhenius´ equation. The lifetime of our developed actuator was estimated longer than 5 years under heavy conditions. This lifetime prediction method is useful to design the piggyback PZT actuator for HDDs.
Keywords
disc drives; hard discs; lead compounds; piezoelectric actuators; Arrhenius equation; PZT; PbZrO3TiO3; dual-stage servo system; hard disk drive; lifetime prediction; magnetic head positioning; piggyback PZT actuator; Actuators; Assembly; Equations; Fatigue; Hard disks; Life testing; Magnetic heads; Memory; Prediction methods; Servomechanisms;
fLanguage
English
Publisher
ieee
Conference_Titel
Asia-Pacific Magnetic Recording Conference, 2000. APMRC 2000
Conference_Location
Tokyo, Japan
Print_ISBN
0-7803-6254-3
Type
conf
DOI
10.1109/APMRC.2000.898932
Filename
898932
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