Automated rigid-disk finishing system providing in-line process control
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United States of America Patent
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Feb 18, 1992
Grant Date -
N/A
app pub date -
Sep 22, 1989
filing date -
Sep 22, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides an automated rigid-disk finishing system with 'fly-by-wire' control of each of the relevant parameters involved in the texturing process. The system includes an abrasive tape, a means for forcibly pressing the tape against the substrate to cut microscopic grooves into the substrate's surface, and a control means for simultaneously controlling the speed and tension of the tape and for sensing the tension developed in the tape on both sides of the tape/substrate interface. The described system is thus capable of establishing tape speed and tape tension simultaneously, while providing a measure of the actual work being accomplished on the rigid disk surface.
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