Interactive smart card and method of its fabrication
US6619553B1 · kind B1 · utility
15Cited by
8References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Aug 24, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/077
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention pertains to the field of electronic devices and essentially relates to smart cards (electronic cards) including a display that comprises a liquid-crystal indication element with an internal polarizer. This invention also relates to a method for manufacturing this card. The purpose of this invention is to simplify the structure of the electronic card, to provide a single process for manufacturing the card together with the display, to reduce the thickness of the card, to improve the mechanical strength, the manufacturability and the economical characteristics of said card and to increase its reliability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.