US 12,354,630 B1
Reducing laser diode temperature swings in heat-assisted magnetic recording (HAMR) using a slider-mounted heat sink
Sukumar Rajauria, San Jose, CA (US); and Xiaokun Chew, San Juan Capistrano, CA (US)
Assigned to Western Digital Technologies, Inc., San Jose, CA (US)
Filed by Western Digital Technologies, Inc., San Jose, CA (US)
Filed on Apr. 11, 2024, as Appl. No. 18/632,451.
Int. Cl. G11B 5/48 (2006.01); G11B 5/40 (2006.01); G11B 33/14 (2006.01); G11B 5/00 (2006.01); H01S 5/024 (2006.01)
CPC G11B 5/40 (2013.01) [G11B 33/1426 (2013.01); G11B 2005/0021 (2013.01); H01S 5/02469 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A heat-assisted magnetic recording (HAMR) apparatus for writing to a magnetic storage media, the HAMR apparatus comprising:
a slider body;
a submount;
a laser diode assembly comprising a plurality of lateral surfaces and a waveguide-facing surface; and
a first heat sink;
wherein:
the submount is attached to the slider body by a first connector material;
a first lateral surface of the laser diode assembly is mounted to the submount;
a second lateral surface of the laser diode assembly is in contact with a first lateral surface of the first heat sink;
the first heat sink is in contact with a second connector material; and
the second connector material is in contact with the slider body.