Radiofrequency antennae and identification tags and methods...

Details Radiofrequency antennae and identification tags and methods... Radiofrequency antennae and identification tags and methods...

2008-05-20

2008-05-20

Caputo, Lisa (Department: 2876)

Registers

Records

Conductive

C235S487000

Reexamination Certificate

active

11127364

ABSTRACT:
The present invention includes improved RFID antennae and tags and methods of manufacturing the RFID antennas. The RFID tags of the present invention include a substrate that comprises an antenna assembly. A radiofrequency integrated circuit is in electrical communication with a portion of the antenna assembly. The RFID tag may include a structure, such as a lid element, that clamps and/or compresses the radiofrequency integrated circuit into contact with the antenna assembly, without the need for a conductive adhesive. In some embodiments, the antenna assembly is vacuum metallized or otherwise applied onto the substrate through patterned openings in a mask, such as a patterned masking cliché or a patterned polymer layer.

REFERENCES:
patent: 5497140 (1996-03-01), Tuttle
patent: 6222497 (2001-04-01), Hu et al.
patent: 6432739 (2002-08-01), Gudesen et al.
patent: 6478229 (2002-11-01), Epstein

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