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, LEE SHIH-FU, GHAZVINI HAMID F, DAHLIN ERIC KENNETH, JOHNSON, JR. ELIAS TED
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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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.