Method for producing metal film of touch panel
US9249494B2 · kind B2 · utility
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9Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 25, 2013 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Sep 18, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for producing a metal film of a touch panel provided by the present invention has the steps of: preparing a base plate; coating a mask on the surface of the base plate; using a sputtering process to sputter a metal material on the part of the base plate where is not covered by the mask; removing the mask so as to form a metal film and a hollow area; and using a laser engraving process to remove an over coating area that is produced by the metal film or the hollow area so as to produce the metal film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.