Inventor
TSANG CHING H
US19 patents
Patents
19 patentsUS4663685AMay 5, 1987
Magnetoresistive read transducer having patterned longitudinal bias
IBM174 citations99
US6680832B2Jan 20, 2004
CPP magnetoresistive sensors with in-stack longitudinal biasing and overlapping magnetic shield
IBM72 citations98
US5452163ASep 19, 1995
Multilayer magnetoresistive sensor
IBM128 citations97
US5528440AJun 18, 1996
Spin valve magnetoresistive element with longitudinal exchange biasing of end regions abutting the free layer, and magnetic recording system using the element
IBM95 citations96
US5508866AApr 16, 1996
Magnetoresistive sensor having exchange-coupled stabilization for transverse bias layer
IBM97 citations96
US5492720AFeb 20, 1996
Method of manufacturing a magnetoresistive sensor
IBM63 citations96
US5438747AAug 8, 1995
Method of making a thin film merged MR head with aligned pole tips
IBM230 citations96
US5285339AFeb 8, 1994
Magnetoresistive read transducer having improved bias profile
IBM55 citations96
US6631055B2Oct 7, 2003
Tunnel valve flux guide structure formed by oxidation of pinned layer
IBM34 citations92
US5262914ANov 16, 1993
Magnetoresistive head with enhanced exchange bias field
IBM28 citations92
US4809109AFeb 28, 1989
Magnetoresistive read transducer and method for making the improved transducer
IBM56 citations92
US5262904ANov 16, 1993
Method and apparatus for measuring and compensating nonlinear bitshift
IBM41 citations87
US5344669ASep 6, 1994
Method of manufacture for an improved magnetoresistive read transducer
IBM13 citations74
US4547824AOct 15, 1985
Dual biasing for integrated inductive MR head
IBM12 citations74
US5503870AApr 2, 1996
Method for producing thin film magnetic structure
IBM8 citations73
US5458908AOct 17, 1995
Method of fabricating a magnetoresistive read transducer
IBM19 citations71
US5444589AAug 22, 1995
Rotary actuator disk drive with identical dual-element read/write transducers
IBM18 citations71
US5582860ADec 10, 1996
Method for producing thin film magnetic structure
IBM4 citations62
US6440639B1Aug 27, 2002
High-aspect ratio resist development using safe-solvent mixtures of alcohol and water
IBM0 citations50