NDLI: Novel piezoelectric transducers to monitor head-disk interactions

Content Provider	IEEE Xplore Digital Library
Author	Yeack-Scranton, C.
Copyright Year	1965
Abstract	As the flying heights of air bearing sliders are reduced to improve magnetic recording linear density, mechanical tolerances on the head-disk interface become more critical and real time measurement of wear-out phenomena becomes essential. We have developed novel piezoelectric techniques for monitoring contacts and mechanical resonances in the head-disk assembly. The techniques are real time and nondestructive, allowing use at the component level or in a fully assembled unit. Two sensor types will be described and data will be given for tests in which these sensors have been used to monitor flexure and suspension resonances, air bearing resonances, head-disk contacts, and disk roughness.
Sponsorship	IEEE Magnetics Society
Starting Page	1011
Ending Page	1016
Page Count	6
File Size	1094742
File Format	PDF
ISSN	00189464
Volume Number	22
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1986-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Piezoelectric transducers Monitoring Assembly Mechanical sensors Sensor phenomena and characterization Magnetic recording Density measurement Mechanical variables measurement Magnetic resonance Testing
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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An overview of glide testing

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Novel piezoelectric transducers to monitor head-disk interactions

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