High speed glide test for screening magnetic disc micro-waviness and a system therefor
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United States of America Patent
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Nov 29, 2005
Grant Date -
Feb 3, 2005
app pub date -
Jul 29, 2003
filing date -
Jul 29, 2003
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Abstract
A system and a method for measuring micro-waviness of a magnetic recording disk using a high-speed glide test are disclosed. The HSG test is a viable production-level test methodology for high performance media that require well-controlled and low micro-waviness.
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