Film having an imprinted antenna

Details Film having an imprinted antenna Film having an imprinted antenna

2007-10-30

2007-10-30

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S795000, C343S866000

Reexamination Certificate

active

11342063

ABSTRACT:
A film having an imprinted antenna, for use with an RFID chip. The antenna consists of a conductor track provided with connector ends. According to the invention, the antenna, applied in a printing method, with a conductive printing ink, has window-like recesses in the conductor track, whereby the area of the recesses amounts to at least 20% of the total area having the recesses.

REFERENCES:
patent: 4987424 (1991-01-01), Tamura et al.
patent: 6344792 (2002-02-01), Tuttle et al.
patent: 6608599 (2003-08-01), Chen et al.
patent: 2002/0003496 (2002-01-01), Brady et al.
patent: 2003/0080903 (2003-05-01), Chen et al.
patent: 2004/0125040 (2004-07-01), Ferguson et al.
patent: 2004/0129788 (2004-07-01), Takahashi et al.
patent: 2004/0159257 (2004-08-01), Mathieu
patent: WO 03/068874 (2003-08-01), None

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