Patent · US Expired

Radio frequency circuit and memory in thin flexible package

US5528222A · kind A · utility

895Cited by
9References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1994
Grant dateJun 18, 1996
Priority date
Expiry dateSep 9, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49137
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A novel thin and flexible radio frequency (RF) tag has a semiconductor circuit with logic, memory, and a radio frequency circuits, connected to an antenna with all interconnections placed on a single plane of wiring without crossovers. The elements of the package (substrate, antenna, and laminated covers) are flexible. The elements of the package are all thin. The tag is thin and flexible, enabling a unique range of applications including: RF ID tagging of credit cards, passports, admission tickets, and postage stamps.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.