Wiring member of a disc drive suspension having an insulating layer with thick-walled and thin-walled portions
US6963471B2 · kind B2 · utility
58Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2003 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Dec 15, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/486
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wired flexure comprises a metallic substrate, a polyimide layer formed on the metallic substrate, and read conductors and write conductors formed on the polyimide layer. The polyimide layer has a thick-walled portion and a thin-walled portion that are different in thickness. The read and write conductors extend covering the thick- and thin-walled portions. In order to obtain a desired impedance, the width of the conductors in the thin-walled portion is smaller than that of the conductors in the thick-walled portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.