Featured patents

Thermally-Assisted Magnetic Recording Head Using Near-Field Light
US 08817581 B1, Aug. 26, 2014, Integral transducers, Takeshi Tsutsumi et al. / TDK Corporation (Tokyo, JP)
A thermally-assisted magnetic recording head that has an air bearing surface…

Servo Processor Receiving Photodetector Signals
US 08873355 B2, Oct. 28, 2014, Particular track portion, Ron J. Kadlec / Optical Devices, LLC (Peterborough, US)
A digital servo method for an optical disk drive, comprising:…

Light Source Chip and a Thermally Assisted Head With the Same, and Manufacturing Methods Thereof
US 08743665 B2, June 3, 2014, Light beam transducer assembly, Ryuji Fujii et al. / SAE Magnetics (H.K.) Ltd. (Hong Kong, CN
A thermally assisted head, comprising:…

Media Record/Play Device and Media Record/Play Method
US 08750085 B2, June 10, 2014, Defect, Kenji Akahoshi / Hitachi Consumer Electronics Co., Ltd. (Tokyo, JP)
A record device for performing a record operation while performing a replacement…

Replica Disk for Data Storage
US 08705334 B2, April 22, 2014, Pit / bubble/groove structure specifies, Donald J. Kerfeld et al. / Legger Col. A.B. LLC (Dover, US)
A disk for storing information, comprising:…

Thermally Assisted Magnetic Head Slider Having Plasmon Unit Formed With a Recess
US 08638645 B1, Jan. 28, 2014, Near field optic, Zhong Xian Wei et al. / SAE Magnetics (H.K.) Ltd. (Hong Kong, CN
A write element for a thermally assisted magnetic head slider, comprising:…

Absorption Enhanced Media for Energy Assisted Magnetic Recording
US 08570844 B1, Oct. 29, 2013, Specific detail of layer, HongXing Yuan et al. / Western Digital (Fremont), LLC (Fremont, US
A magnetic recording media, comprising:…

Information Recording Method and Apparatus, Information Recording Medium, and Information Recording Medium Manufacturing Method and Apparatus
US 08526281 B2, Sept. 3, 2013, For protection, Kazuhiko Nakane / Mitsubishi Electric Corporation (Tokyo, JP)
An information recording method for recording downloaded data, downloaded…

Transducer Bonded to a Laser Module for Heat Assisted Magnetic Recording
US 08488435 B2, July 16, 2013, Waveguide, Tanya Jegeris Snyder / Seagate Technology LLC (Cupertino, US)
An apparatus, comprising:…

Read-Only Optical Recording Medium
US 08462608 B2, June 11, 2013, Specified material, Tetsuhiro Sakamoto et al. / Sony Corporation (Tokyo, JP)
A read-only optical recording medium, comprising;…

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