Environmentally friendly radio frequency identification (RFID) labels and methods of using such labels
US7417550B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2004 |
| Grant date | Aug 26, 2008 |
| Priority date | — |
| Expiry date | Dec 12, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0776
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An environmentally friendly radio frequency identification (RFID) label. One embodiment of the invention provides an environmentally friendly radio frequency identification (RFID) label, comprising: a substrate including a first major surface and a second major surface opposite the first major surface; an RFID antenna attached to the first major surface of the substrate, where the RFID antenna is consisting essentially of tin, aluminum, palladium, gold, or combinations thereof; an integrated circuit attached to the antenna; and a first layer of repulpable adhesive attached to the substrate. The present invention also provides methods using environmentally friendly radio frequency identification (RFID) labels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.