公开(公告)号：AT371962T

公开(公告)日：2007-09-15

申请号：AT01920313

申请日：2001-03-13

Applicant: RCD TECHNOLOGY INC

Inventor： OBERLE ROBERT

IPC: H01Q1/36 ,  G06K19/077 ,  H01Q1/22 ,  H01Q1/38 ,  H01Q9/27 ,  H05K1/09 ,  H05K1/16 ,  H05K3/24

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.