SAE Magnetics Assigned Patent
HDD thermally assisted magnetic recording head having slider and tilted light incident surface
By Francis Pelletier | November 25, 2020 at 2:15 pmSAE Magnetics (H.K.) Ltd., Hong Kong, Hong Kong, has been assigned a patent (10,811,042) developed by Fujii, Ryuji, Hong Kong, Hong Kong, Huang, Jian Hui, Dongguan, China, Nishijima, Natsuo, Hong Kong, Hong Kong, Huang, Lin, Chen, Shi Xiong, Qi, Bin, and Guo, Wen Rong, Dongguan, China, for a “disk drive thermally assisted magnetic recording head having a slider and a tilted light incident surface.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A thermally assisted magnetic recording head and a thermally assisted magnetic recording disk drive are disclosed. The thermally assisted magnetic recording head includes a slider body, a laser substrate, a laser and a magnetic head, wherein the laser substrate is provided on the slider body, the laser is provided on the laser substrate, and the magnetic head is provided at a front end of the slider body. The magnetic head includes an optical waveguide facing the laser. The angle between a light incident surface of the optical waveguide and an incident direction of a laser light incident on the optical waveguide is less than 90 degrees. The thermally assisted magnetic recording disk drive includes a plurality of magnetic disks and a magnetic head suspending frame. A front end of the magnetic head suspending frame is provided with the thermally assisted magnetic recording heads mentioned above.”
The patent application was filed on December 24, 2018 (16/231,628).