DocumentCode
1477521
Title
Servotrackwriter with improved positioning system
Author
Baker, Bill R. ; Moraru, Alex
Author_Institution
Phase Metrics, Fremont, CA, USA
Volume
33
Issue
5
fYear
1997
fDate
9/1/1997 12:00:00 AM
Firstpage
2623
Lastpage
2625
Abstract
An optical noncontact method eliminates the resonances generated by mechanical interaction of the HDA arm with a conventional pushpin. Errors due to air turbulence in a laser interferometer are avoided by using an encoder with one nanometer resolution
Keywords
hard discs; position control; servomechanisms; HDA arm; encoder; optical noncontact method; positioning system; pushpin; servotrackwriter; Actuators; Diode lasers; Laser beams; Manufacturing; Mirrors; Optical interferometry; Optical sensors; Resonance; Servomechanisms; Servomotors;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/20.617428
Filename
617428
Link To Document