1
Yiming Huai, Geoffrey Anderson, Ningjia Zhu, Wenjie Chen, Fuminori Hikami: Bottom or dual spin valve having a seed layer that results in an improved antiferromagnetic layer. Read Rite Corporation, Sawyer Law Group, April 24, 2001: US06222707 (186 worldwide citation)

A system and method for providing a spin valve is disclosed. The spin valve is formed on a substrate. In one aspect, the method and system include providing a seed layer including NiFe above the substrate and providing an antiferromagnetic layer on the seed layer. The seed layer provides the desired ...


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Hong Chen, Ross W Stovall, Carl Carlson: Read/write head with shifted waveguide. Read Rite Corporation, Robert King, Samuel A Kassatly, January 18, 2000: US06016290 (181 worldwide citation)

A read/write head for use in data storage drives includes a thermally assisted inductive write section and a magnetic read section to write data onto, and retrieve data from a storage medium. The write section includes a waveguide formed of a core and a surrounding cladding, and positioned between a ...


4
Kyusik Sin, Yingjian Chen, Ningja Zhu, Bill Crue: Magnetoresistive sensor having hard biased current perpendicular to the plane sensor. Read Rite Corporation, John S Ferrell, Robert D Hayden, Carr & Ferrell, March 5, 2002: US06353318 (176 worldwide citation)

The apparatus of the present invention is embodied in a magnetic field sensor having a magnetoresistive element, a magnetic bias layer for biasing the magnetoresistive element with a magnetic field, and an electrical insulator positioned between the magnetic bias layer and the magnetoresistive eleme ...


5
Steven C Rudy, Curtis V Macchioni, Yong Shen, Billy W Crue Jr, Michael T Harnischfeger, Steven J Plewes: Apparatus and method of device stripe height control. Read Rite Corporation, Hickman Coleman & Hughes, February 27, 2001: US06193584 (175 worldwide citation)

A lapping guide for use in fabrication of a device includes a first resistive element and a second resistive element. The two resistive elements can provide different changing resistances throughout the lapping of the device. These two resistances can be used throughout the lapping of the device to ...


6
Ross W Stovall, Yugang Wang, Carl J Carlson: Laser mounting for a thermally assisted GMR head. Read Rite Corporation, Samuel A Kassatly, June 11, 2002: US06404706 (172 worldwide citation)

A head gimbal assembly includes a magneto-resistive read element integrated with a thermally assisted write element. The head gimbal assembly includes an optical waveguide positioned between two write poles to transmit a laser beam to a recording medium. The laser beam heats the medium sufficiently ...


7
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 (171 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 ...


8
Keith R Berding, Kenneth F Young: Head suspension having reduced torsional vibration. Read Rite Corporation, Mark Lauer, October 23, 2001: US06307715 (168 worldwide citation)

A transducer suspension for a drive system has a beam which is bendable in a vertical direction for holding the transducer adjacent to the media, but is torsionally stiff for quicker access times and reduced noise and errors. This inherently contradictory performance occurs by joining a laterally el ...


9
Liubo Hong, Ronald A Barr: Thin film write head with interlaced coil winding and method of fabrication. Read Rite Corporation, Carr & Ferrell, October 15, 2002: US06466401 (162 worldwide citation)

The preferred embodiment of the present invention provides a write head having an interlaced conductor coil winding and method of fabrication. The interlaced winding of the present invention may have alternating turns of a first and a second coil. In the preferred embodiment, the side walls of succe ...


10
Robert E Rottmayer, Jain Gang Zhu, Kenneth Everett Knapp, Yiming Huai: System for biasing a synthetic free layer in a magnetoresistance sensor. Read Rite Corporation, Sawyer Law Group, March 13, 2001: US06201673 (161 worldwide citation)

A system and method for providing a magnetoresistive head is disclosed. The method and system include providing a spin valve including a synthetic free layer. The synthetic free layer includes a ferromagnetic layer. The method and system also include providing an antiferromagnetic biasing layer exch ...



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