Patent ID: 7154355
Filing Date: 2006-12-26
Classification: H01P,H05K

Abstract:
1. A transmission line having a transforming impedance and surface solder lands, the transmission line comprising: a dielectric substrate having a surface; a slot formed through the surface of said dielectric substrate, said slot having a depth D a second length of said slot having a first end abutting the second end of said first length, the opposing slot faces in said second length each having a conductive surface at the first end of said second length that is electrically continuous with the conductive surfaces in said first length and which, at the first end of said second length, extends from the substrate surface down into said slot to said depth D at the first end of said second length, said dielectric substrate surface having surface metallization on both sides of said slot, said surface metallization on both sides of said slot being of zero width at the first end of the second section and continuously extending away from the opposing slot faces to a distance D at the end of said second section, said surface metallization being electrically conductive with the conductive surface within said slot sections.