Laminated contact pad for a transducer head
US8395863B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2010 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Dec 3, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/607
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A contact pad includes a first layer of material with a first yield strength and a second layer of material with a second yield strength is laminated to the first layer. A third yield strength of the laminated composite of the first layer and the second layer exceeds the first yield strength and the second yield strength due to the Hall-Petch phenomenon. An overcoat covers an edge of the first layer and the second layer of the contact pad to prevent wear. A method of creating the contact pad or other microelectronic structure includes depositing a first layer of material with a first yield strength on a substrate. A second layer of material with a second yield strength is deposited on the first layer. An edge of the first layer and the second layer is coated with an overcoat material to prevent wear of the first and second layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.