Method of manufacturing a flexible circuit electrode array
US7914842B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2007 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Dec 27, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/095
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Polymer materials form electrode array bodies for neural stimulation, especially for retinal stimulation to create vision. The method lays down a polymer layer. Apply a metal layer to the polymer and pattern to create electrodes and leads. Apply a second polymer layer over the metal layer and pattern to leave openings for electrodes. The array and its supply cable are a single body. A method for manufacturing a flexible circuit electrode array, is: deposit a metal trace layer on an insulator polymer base layer; apply a layer of photoresist on the metal trace layer and pattern the metal trace layer and form metal traces on the insulator polymer base layer; activate the insulator polymer base layer and deposit a top insulator polymer layer and form a single insulating polymer layer with the base insulator polymer layer; wherein the insulator polymer layers are heated at 80-150° C. and then at 230-350° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.