Method of and apparatus for removing debris from the floptical medium
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United States of America Patent
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May 30, 1995
Issued Date -
N/A
app pub date -
Jan 5, 1994
filing date -
Jun 22, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The current invention substantially removes particulate waste materials or debris from the floptical medium after laser etching. A low-temperature gas containing ice crystals is applied at a predetermined angle while the floptical medium is being rotated to improve the cleaning effect. The temperature of the disk is maintained above freezing to maintain the cleaning effect.
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