Featured patents

Methods and Devices for Compensating for Off-Track Motion
US 08824090 B2, Sept. 2, 2014, Controlling the head, Frank W Bernett et al. / Seagate Technology LLC (Cupertino, US)
A method comprising:…

Servo Patterns for Bit Patterned Media With Multiple Dots Per Servo Period
US 08824079 B2, Sept. 2, 2014, Data in specific format, Puskal Prasad Pokharel et al. / Seagate Technology LLC (Cupertino, US)
A recordable medium, comprising:…

System for Providing a Perpendicular Magnetic Recording Transducer Using a Split Seed Layer
US 08780498 B1, July 15, 2014, Main / recording pole, Yunhe Huang et al. / Western Digital (Fremont), LLC (Fremont, US
A magnetic recording transducer comprising:…

Tapered Leading and Side Shields for Use in a Perpendicular Magnetic Recording Head
US 08730617 B1, May 20, 2014, Accessory feature, Yuming Zhou et al. / HGST Netherlands B.V. (Amsterdam, NL)
A magnetic head, comprising:…

Disk Drive Defining Non-Circular Data Tracks Relative to a Rotation Axis of the Disk
US 08717704 B1, May 6, 2014, Track centering, Jie Yu et al. / Western Digital Technologies, Inc. (Irvine, US)
A disk drive comprising:…

Patterned MR Device With Controlled Shape Anisotropy
US 08711524 B2, April 29, 2014, Detail of magnetic shielding, Yimin Guo et al. / Headway Technologies, Inc. (Milpitas, US)
A method of fabricating a magnetic sensor, comprising:…

Reference Voltage Circuit for Adaptive Power Supply
US 08687302 B2, April 1, 2014, Head amplifier circuit, Anamul Hoque et al. / LSI Corporation (San Jose, US)
An apparatus comprising:…

Method for Creating Burst Magnitude Servo Patterns With Unipolar Bits on a Magnetic Media of a Magnetic Data Recording System
US 08665549 B2, March 4, 2014, Controlling the head, Toshiki Hirano et al. / HGST Netherlands B.V. (Amsterdam, NL)
A magnetic media for use in a magnetic data storage system, the magnetic media…

Systems and Methods for Phase Compensated Harmonic Sensing in Fly Height Control
US 08605381 B2, Dec. 10, 2013, Controlling the head, Hongwei Song et al. / LSI Corporation (San Jose, US)
A harmonics calculation circuit, the circuit comprising:…

Magnetic Oscillator
US 08553372 B2, Oct. 8, 2013, Having tunnel junction effect, Koichi Mizushima et al. / Kabushiki Kaisha Toshiba (Minato-ku, Tokyo, JP)
A magnetic oscillator comprising:…

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