Patent ID: 9312588
Filing Date: 2016-04-12
CPC Classification: H01P,H03H,H05K

Claim Text:
1. A high-frequency signal transmission line comprising: a dielectric body including laminated dielectric layers; a linear signal line provided in the dielectric body; a first grounding conductor that is opposed to the signal line via one of the dielectric layers, the first grounding conductor having a ladder structure including a plurality of openings and a plurality of bridges alternately arranged in a longitudinal direction in which the signal line extends; and a floating conductor that is opposed to the signal line via the plurality of openings of the first grounding conductor, the floating conductor is not connected to the first grounding conductor, wherein the floating conductor has a rectangular shape having a longitudinal dimension extending in the longitudinal direction in which the signal line extends; and the floating conductor at least partially covers the plurality of openings.