Featured patents

Head Suspension Having Actuator in Which Piezolectric Element Is Bonded With Bonding Tape, Actuator and Method of Attaching Piezoelectric Element With Bonding Tape
US 08837091 B2, Sept. 16, 2014, Piezoelectric adjuster, Mikio Arai / NHK Spring Co., Ltd. (Kanagawa, JP)
A head suspension comprising:…

Recording Reproducing Apparatus and Magnetic Recording Medium
US 08792194 B2, July 29, 2014, Monitoring or Testing the Progress of Recording, Yoshiteru Murakami et al. / Sharp Kabushiki Kaisha (Osaka, JP)
A magnetic recording reproducing apparatus, comprising:…

Head Rotator Assembly for Tape Drive
US 08867163 B2, Oct. 21, 2014, Rotating head, Turguy Goker et al. / Quantum Corporation (San Jose, US)
A head rotator assembly for positioning a head of a tape drive relative…

Fluid Dynamic Bearing Unit and Disk Drive Device Including the Same
US 08760810 B2, June 24, 2014, Disk record, Ryusuke Sugiki / Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. (Shizuoka, JP)
A disk drive device comprising:…

Sealing Member for Constraining Balance Weights
US 08760800 B1, June 24, 2014, Disk seating, Matthew L. Brown et al. / Western Digital Technologies, Inc. (Irvine, US)
A disk drive assembly comprising:…

Disk Drive Compensating for Track Squeeze by Writing Non-Circular Servo Tracks
US 08749904 B1, June 10, 2014, Monitoring or Testing the Progress of Recording, Jeng-Yu Wang et al. / Western Digital Technologies, Inc. (Irvine, US)
A servo writer operable to write servo sectors on a disk to define non-circular…

Graded Bevel Tapered Write Pole Design for Field Enhancement
US 08625234 B2, Jan. 7, 2014, Nonuniform width transducing face, Yoshitaka Sasaki et al. / Headway Technologies, Inc. (Milpitas, US)
A perpendicular magnetic write pole for magnetic recording, having a planar air…

Magnetic Sensor Having a High Spin Polarization Reference Layer
US 08582253 B1, Nov. 12, 2013, Having tunnel junction effect, Christian Kaiser et al. / Western Digital (Fremont), LLC (Fremont, US
A magnetic sensor configured to reside in proximity to a recording medium during…

Microwave-Assisted Magnetic Recording Head and Magnetic Read/Write Apparatus Using the Same
US 08582225 B2, Nov. 12, 2013, Thermomagnetic recording or transducers, Masaru Furukawa et al. / Hitachi, Ltd. (Tokyo, JP)
A microwave-assisted magnetic recording head comprising:…

Disk Storage Apparatus, Disk Control Apparatus and Write Control Method
US 08587889 B2, Nov. 19, 2013, Recording-or erasing-prevention, Takayuki Kawabe / Kabushiki Kaisha Toshiba (Tokyo, JP)
A disk storage apparatus comprising:…

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