High speed glide test for screening magnetic disc micro-waviness and a system therefor

High speed glide test for screening magnetic disc micro-waviness and a system therefor

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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Bibliographische Detailangaben
Hauptverfasser: Hu, Yong, Dahlin, Eric Kenneth, Lee, Shih-Fu, Ghazvini, Hamid F, Johnson, Jr, Elias Ted
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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.