Information recording medium glass substrate, information recording medium, information recording apparatus and manufacturing method of information recording medium glass substrate
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United States of America Patent
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N/A
Issued Date -
Jan 26, 2006
app pub date -
Jul 21, 2005
filing date -
Jul 23, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In an information recording apparatus such as a hard disk drive, a ramp for retreating its head from a recording medium when the apparatus is stopped is provided opposing the information recording medium. In such an information recording apparatus, the information recording medium may sometimes collide with the ramp when the apparatus falls down. By inclining a portion opposing the ramp of a glass substrate in the information recording medium, even if the information recording medium strikes the ramp, the information recording medium is prevented from being cracked.
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