Dynamic magnetic information storage or retrieval – Monitoring or testing the progress of recording
Reexamination Certificate
2007-06-12
2007-06-12
Korzuch, William (Department: 2627)
Dynamic magnetic information storage or retrieval
Monitoring or testing the progress of recording
C360S053000, C360S059000, C360S075000
Reexamination Certificate
active
10652726
ABSTRACT:
A method, apparatus and program storage device for providing protrusion feedback for a read/write element is disclosed. A slider with a heating element is provided to control the level of read/write element protrusion. A level of heating applied to the slider to change the head protrusion is measured and recorded until acceptable operation of the read/write element is obtained. These measurements are then used to ensure that the read/write element continues to operate properly at different drive temperatures.
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Wang, Run-Han, Wu, Xia Z., Weresin, Walt and Ju, Y. Sungtaek, “Head Protrusion and its Implications on Head-Disk Interface Reliability,”IEEE Transactions on Magnetics, vol. 37, No. 4, Jul. 2001.
Chambliss Bahner & Stophel
Korzuch William
Lynch David W.
Negrón Daniel L.
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