Thermally assisted magnetic head, head gimbal assembly, and hard disk drive
US12400679B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2024 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Jul 31, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The disclosure provides a thermally assisted magnetic head comprising a slider and a light source unit provided on the slider. An intermediate connection pad is provided in such a manner that the first light source connection pad and the second light source connection pad of the slider are arranged in a row on a straight line while the intermediate connection pad is not located on the said straight line. The first electrode of the light source unit is electrically connected with the first light source connection pad, and both the second electrode of the light source unit and the second light source connection pad are electrically connected with the intermediate connection pad. Accordingly, a head gimbal assembly and a hard disk drive are further provided in the embodiment of the disclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.