Method for forming radio frequency antenna

Details Method for forming radio frequency antenna Method for forming radio frequency antenna

2005-08-23

2005-08-23

Dinh, Trinh Vo (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S895000, C343S866000, C029S600000

Reexamination Certificate

active

06933892

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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