Magnetic recording head, head gimbal assembly, and disk drive unit with the same
US8320081B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2010 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Mar 3, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1193
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording head includes a trailing surface and a plurality of bonding pads arranged on the trailing surface and in a row adapted for both bonding and testing. Each of the bonding pads has at least one side portion being coated with electrically conductive solder nonwettable coat to prevent short circuit between the adjacent bonding pads. The invention also discloses a head gimbal assembly with the magnetic recording head and a disk drive unit having such head gimbal assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.