Patent ID: 8294532
Filing Date: 2012-10-23
Classification: H01P

Abstract:
1. A filter comprising: a core with a top surface, a bottom surface, and side surfaces, said core defining a longitudinal axis, a first plurality of through-holes extending longitudinally along the top surface of the core, a second plurality of through-holes extending longitudinally along the top surface of the core in a spaced-apart and generally parallel relationship to the first plurality of through-holes, the first and second plurality of through-holes being spaced-apart from and located on opposite sides of the longitudinal axis of the core, each of the through-holes of the first and second plurality of through-holes extending through the core from an opening defined in said top surface of said core to an opening defined in said bottom surface of said core; at least first, second, and third posts extending outwardly from said top surface of said core; and a surface-layer pattern of metallized and unmetallized areas on said core, said pattern including a first connection area of metallization located on said top surface and extending onto said first post, a second connection area of metallization located on said top surface and extending onto said second post, and a third connection area of metallization located on said top surface and extending onto said third post.