The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2013
Filed:
Feb. 22, 2012
Yoshitaka Sasaki, Santa Clara, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Hironori Araki, Milpitas, CA (US);
Shigeki Tanemura, Milpitas, CA (US);
Kazumasa Yasuda, Sunnyvale, CA (US);
Ryuji Fujii, Hong Kong, CN;
Yoshitaka Sasaki, Santa Clara, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Hironori Araki, Milpitas, CA (US);
Shigeki Tanemura, Milpitas, CA (US);
Kazumasa Yasuda, Sunnyvale, CA (US);
Ryuji Fujii, Hong Kong, CN;
Headway Technologies, Inc., Milpitas, CA (US);
SAE Magnetics (H.K.) Ltd., Hong Kong, CN;
Abstract
A thermally-assisted magnetic recording head includes: a main pole and a plasmon generator disposed to align along the direction of travel of a recording medium; a first heat sink layer having two portions that are located on opposite sides of the plasmon generator in the track width direction; a second heat sink layer having two portions that are located on opposite sides of the main pole in the track width direction; and a nonmagnetic layer disposed between the plasmon generator and the main pole. The first and second heat sink layers are each made of SiC or AlN. The nonmagnetic layer is made of a material that is lower in thermal conductivity at 25° C. than alumina.