Patent ID: 9030275
Filing Date: 2015-05-12
Classification: H01P

Abstract:
1. A filter adapted for mounting to a circuit board and comprising: a core of dielectric material including a top surface with a pattern of areas of conductive material, first and second opposed side surfaces, and third and fourth side surfaces extending between the ends of the first and second opposed side surfaces respectively; a plurality of through-holes extending through the core and defining a plurality of respective openings in the top surface, the pattern of areas of conductive material on the top surface surrounding at least a portion of one or more of the plurality of openings in the top surface; first and second walls protruding outwardly from the top surface and extending the length of the first and second side surfaces respectively, each of the first and second walls including an inner surface, an outer surface, a top edge, and a top rim surface and defining respective first and second shields that prevent external electromagnetic fields from causing noise and interference; and first and second conductive input/output electrodes defined by first and second areas of conductive material on at least the inner surface and the top rim of the first and/or second walls and in contact with the pattern of areas of conductive material on the top surface of the core, the filter being seated against the circuit board in a relationship with the top rim surface of each of the first and second walls of the filter seated against a surface of the circuit board, the top surface of the core of the filter facing and opposite the surfaces of the circuit board, and the plurality of through-holes of the filter oriented in a relationship generally normal to the surface of the circuit board.