1
Billy Wayne Crue, Mark D Thomas, Eric Katz, William Jensen: Inductive write head formed with flat yoke and merged with magnetoresistive read transducer. Read Rite Corporation, Nathan N Kallman, March 28, 2000: US06043959 (167 worldwide citation)

A magnetic head includes aligned pole tips and a coil proximally disposed between a pair of first and second magnetic yoke layers which define a closed magnetic path with a transducing gap. The second magnetic yoke layer includes a flat geometry with a substantially level cross-sectional profile. Th ...


2
Samuel W Yuan, Robert Earl Rottmayer: High density giant magnetoresistive transducer with recessed sensor. Read Rite Corporation, Nathan N Kallman, April 17, 2001: US06219205 (148 worldwide citation)

A magnetic transducer employs a giant magnetoresistive sensor whose sensing surface is separated by a dielectric layer from a magnetically recorded surface carrying recorded data signals to be read back by the transducer. The dielectric layer serves to protect the sensing layer from corrosion, elect ...


3
Mourad D Zarouri, Joselito S Jose, Robert W Miller: Shorting bar and test clip for protecting magnetic heads from damage caused by electrostatic discharge during manufacture. Read Rite Corporation, Nathan N Kallman, March 7, 2000: US06034851 (148 worldwide citation)

A method and apparatus for selectively disabling a magnetic head to protect the head from damage caused by electrostatic discharge (ESD) during manufacture. The magnetic head is electrically attached to a flexure. The flexure has a set of test pads and a hinged portion that includes a shorting bar. ...


4
Ruyue Y Wu, Jamshid Bozorgi: Disk drive pivot bearing and actuator arm assembly. Read Rite Corporation, Nathan N Kallman, January 25, 2000: US06018441 (145 worldwide citation)

A disk drive includes a pivot bearing and actuator arm. The actuator arm includes a stepped pivot bearing housing. The pivot bearing housing has a first nominal inside diameter and a relatively smaller second nominal inside diameter to align the pivot bearing within the bearing housing. The pivot be ...


5
Yan Yan: Interconnect adapter and head suspension assembly. Read Rite Corporation, Nathan N Kallman, February 15, 2000: US06025988 (143 worldwide citation)

In a disk drive, an interconnect adapter for coupling a head of a suspension assembly to front-end read/write circuitry includes a pad set with a plurality of specially designed pads. The pads are formed with an integrated frame and multiple tabs. The tabs enable removal and replacement of the pad s ...


6
Yiming Huai, Daniel Nepela, Durga Ravipati, Marcos Lederman: Magnetoresistive sensor with pinned SAL. Read Rite Corporation, Nathan N Kallman, October 24, 2000: US06137662 (142 worldwide citation)

A magnetoresistive sensor including a magnetoresistive (MR) sensing element, a nonmagnetic layer ("spacer") contacting the magnetoresistive sensing element; a first antiferromagnetic (AFM) layer contacting the nonmagnetic layer such that the nonmagnetic layer is sandwiched between the magnetoresisti ...


7
Yiming Huai, Zhupei Shi, Yong Shen, Billy Wayne Crue: Magnetic head with a toroidal coil encompassing only one yoke layer. Read Rite Corporation, Nathan N Kallman, August 14, 2001: US06275354 (140 worldwide citation)

A magnetic head includes first and second magnetic yoke layers which contact each other at a back closure region at one end and delineate a transducer gap at another end. A toroidal coil encompasses one of the yoke layers. The coil axis of the toroidal coil passes through the encompassed yoke layer. ...


8
Yiming Huai, Durga P Ravipati, Mark D Thomas, Carlos Corona, William D Jensen: Magnetic head with aligned pole tips and pole layers formed of high magnetic moment material. Read Rite Corporation, Nathan N Kallman, September 12, 2000: US06118629 (136 worldwide citation)

A magnetic head includes first and second pole tip layers separated by a nonmagnetic gap layer. The pole tips are made of a high magnetic moment material. The right side walls of the first and second pole tips are vertically aligned with each other. Similarly, the left side walls of the first and se ...


9
Hugh C Hiner, Billy Wayne Crue, William D Jensen, Lien Chang Wang, Durga P Ravipati: Magnetic head with low stack height and self-aligned pole tips. Read Rite Corporation, Nathan N Kallman, January 7, 2003: US06504676 (136 worldwide citation)

A magnetic head includes pole tips with aligned sidewalls and a low head profile. The aligned sidewalls are formed by depositing a stack of pole tip layers on a substrate. The stack of layers are etched through a common overlying mask. The stack of layers is covered over and around with a protective ...


10
Hugh C Hiner, Billy Wayne Crue, William D Jensen, Lein Chang Wang, Durga P Ravipati: Magnetic head with low stack height and self-aligned pole tips. Read Rite Corporation, Nathan N Kallman, March 7, 2000: US06032353 (135 worldwide citation)

A magnetic head includes pole tips with aligned sidewalls and a low head profile. The aligned sidewalls are formed by depositing a stack of pole tip layers on a substrate. The stack of layers are etched through a common overlying mask. The stack of layers is covered over and around with a protective ...



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