Patent ID: 8891341
Filing Date: 2014-11-18
Classification: G11B

Abstract:
1. A heat assisted magnetic recording (HAMR) disk drive including a media comprising: a slider; at least one laser coupled with the slider; at least one electro-optical modulator (EOM) optically coupled with the at least one laser and coupled with the slider, the at least one laser and the at least one EOM being coupled to provide a modulated energy output, the at least one EOM controlling the modulated energy output to be a pulsed output having a characteristic waveform shape for energy versus time; and at least one HAMR head on the slider, the at least one HAMR head including at least one waveguide, a write pole, and at least one coil for energizing the write pole, the at least one waveguide for receiving the modulated energy output and directing the modulated energy output toward the media.