Seagate Technology Incorporated

Prasanna Manja Ramakrishna

Tim Rausch

Mehmet Fatih Erden

Antonia Tsoukatos

Benjamin W Parish

Morovat Bryan Tayefeh

Teck Khoon Lim

Song Wee Teo

ChengYi Guo

Dale Thomas Riley

Sandeep Bhushan

Scott Howard Deits

Kevin David Powers

Sai Sian Hon

John D Reinhardt

James J Martin

Vance Charles Kluver

A method for performing a flaw scan test on a hard disk drive is disclosed. The hard disk drive includes a magnetic recording medium and spindle motor associated with a predetermined rated speed. The method includes writing a test pattern to the magnetic recording medium while operating the spindle motor at a speed greater than the predetermined rated speed. The method also includes reading the test pattern at the greater speed and detecting flaws in response to reading the test pattern.

High rpm hard disk drive testing

A method for scanning for flaws on a magnetic recording medium is disclosed. The magnetic recording medium has a first set of nonconsecutive data tracks and a second set of nonconsecutive data tracks. The method includes writing a test pattern to only the first set of nonconsecutive data tracks of the magnetic recording medium, reading of the test pattern written to the first set of nonconsecutive data tracks, and identifying flaws within the first set of nonconsecutive data tracks and the second set of nonconsecutive data tracks based on the reading the test pattern.

Skip track flaw scan methods and systems

The present application discloses a transducer head comprising a read element that reads data from a storage media and an asperity sensor that detects a dimension of an asperity on a surface of the storage media using a temperature change at the asperity sensor. The asperity may be one or both of a void in the surface of the storage media and a protrusion from the surface of the storage media.

Storage media asperity detection

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Aurora, CO, United States of America

Prasanna Manja Ramakrishna