Communications: radio wave antennas – Antennas – Loop type
Reexamination Certificate
2007-09-11
2007-09-11
Dinh, Trinh Vo (Department: 2821)
Communications: radio wave antennas
Antennas
Loop type
C343S867000
Reexamination Certificate
active
10925229
ABSTRACT:
A metalized circuit suitable for application as a radio frequency antenna is produced by forming an antenna coil pattern on a flexible substrate. The antenna coil pattern is formed using a conductive ink which is patterned on the substrate. The conductive ink is cured and an electrical-short layer is formed across the coils of the conductive ink pattern. An insulating layer is formed over top of the electrical-short layer, a metal layer electroplated on top of the conductive layer, and then the electrical-short layer is removed. The use of the electrical-short layer during the electroplating allows for the voltage at the different points on the conductive ink layer to be relatively similar, so that a uniform electroplate layer is formed on top of the conductive ink layer. This results in a better quality radio frequency antenna at a reduced cost.
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Dinh Trinh Vo
Fliesler & Meyer LLP
RCD Technology Inc.
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