A dielectric block filter assembly which is surface-mounted upon a circuit board. The circuit board includes an opening formed to extend therethrough, and parallel-extending projecting members, formed of a portion of the printed circuit board, which extend into the opening formed to extend through the...http://www.google.fr/patents/US5177458?utm_source=gb-gplus-shareBrevet US5177458 - Dielectric filter construction having notched mounting surface
Dielectric filter construction having notched mounting surface
