A filter connector for attenuating frequencies up to 1000 MHz having a conductive housing enclosing a planar filter element. Rows of conductive pins and associated capacitors are mounted on the filter element and there is a ground plane over one or both surfaces of the filter element. The pins pass through...http://www.google.se/patents/US4682129?utm_source=gb-gplus-sharePatent US4682129 - Thick film planar filter connector having separate ground plane shield
