IC card with thin battery
US6284406A · kind A · utility
81Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Jun 9, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An IC card comprising an electronic device and a battery within a plastic card for electrically energizing the electronic device. The battery is comprised of a monolithic electrochemical cell having a lithium-containing cathode, a carbon anode, and a porous polymer separator infused with electrolyte solution. The cell has a thickness of less than 0.7 mm. A package containing the cell formed of a sheet of flexible laminate material having at least one metal foil layer and a layer of an adhesive-like polymeric material. The battery has an overall thickness of less than 0.8 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.