Dynamic magnetic information storage or retrieval – Head – Core
Reexamination Certificate
2011-03-01
2011-03-01
Cao, Allen T (Department: 2627)
Dynamic magnetic information storage or retrieval
Head
Core
Reexamination Certificate
active
07898766
ABSTRACT:
The traditional single pole perpendicular writer has two major problems—insufficient field gradient in the down track direction and adjacent track erasure (ATE) caused by side fringing fields. These problems have been overcome by tapering the main pole and then shielding it on all four sides.
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“One Terabit per Square Inch Perpendicular Recording Conceptual Design,” by M.Mallary et al., IEEE Trans. on Magnetics, vol. 38, No. 4, Jul. 2002, pp. 1719-1724.
Guan Lijie
Hu Hung Liang
Tang Yaw Shing
Ackerman Stephen B.
Cao Allen T
Headway Technologies Inc.
Saile Ackerman LLC
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