Patent ID: 6501352
Filing Date: 2002-12-31
Classification: H01L,H01P,H05K

Abstract:
A high frequency wiring board comprising:a dielectric board; a high frequency transmission line for transmitting a high frequency signal, having a signal conductor line formed on a surface of the dielectric board and a grounding layer formed inside or on a reverse surface of said dielectric board parallel to the signal conductor line, the signal conductor having its terminal end extending toward the vicinity of an end side surface of the dielectric board; and a connecting terminal portion, provided at a terminal end of said high frequency transmission line, for connection with another high frequency circuit, the connecting terminal portion including connecting grounding conductors formed with spacing on both sides of said signal conductor line on the surface of said dielectric board and through conductors penetrating said dielectric board for connecting said connecting grounding conductors and said grounding layer, the distance between said through conductors and the end side surface of said dielectric board being not more than 0.3 times the signal wavelength, in said dielectric board, of said high frequency signal; and a non-grounding region is provided in a region positioned between said paired through conductors in said grounding layer and facing to said signal conductor line.