Dual polarity bias for prolonging the life of a heating element in magnetic data storage devices
作者： Jih-Shiuan Luo , Samuel Wei-san Yuan
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摘要: A magnetic read/write head having a heating element to induce desired amount of thermal protrusion in the read and write elements control fly height over medium. The is connected with circuitry that provides an electrical bias (voltage or current) switches polarity order prevent electromigration, thereby greatly increasing life element. can be switched upon occurrence predetermined event such as between events activating deactivating disk drive device could performed at regular, time intervals. dual also provided by applying AC
lens.org 参考文章(14)
Christopher Bajorek, Thomas O'Dell, Maintaining profile of a head during operation in a drive ,(2003)
Hendrik Hamann, S. Chey, H. Wickramasinghe, Martin O'Boyle, Assembly for thermal and/or thermally-assisted information processing ,(2003)
Jeremy R. Kuehlwein, Bryan E. Bloodworth, Michael Sheperek, Congzhong Huang, Fly height control for a read/write head in a hard disk drive ,(2003)
Paul F. Kusbel, Christopher R. Fulkerson, Brett A. Sloan, Ronald L. Delamarter, Philip E. Cloud, Karl L. Enarson, Application of reduced bias levels to disc drive read elements during periods of inactivity ,(2001)
Ryuji Tsuchiyama, Mikio Tokuyama, Masaaki Tokuyama, Junguo Xu, Magnetic head slider and magnetic disk device ,(2001)
Kevin Robert Coffey, Jeffrey Scott Lille, Andrew Ching Tam, Magnetic head having a heater circuit for thermally-assisted writing ,(2002)
Earl Albert Cunningham, Circuit and method for optimizing bias supply in a magnetoresistive head based on the thermal properties of the MR head itself ,(1996)
Hiroshi Isokawa, Yukio Abe, Magnetic reproduction apparatus having MR head in which electromigration occurring in MR head is suppressed ,(1997)
Junguo Xu, Mikio Tokuyama, Masayuki Kurita, Naoki Satoh, Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension ,(2003)