In the first surface of the transmission device and has its main extending in a first direction (A) a conductor (720), an upper ground plane positioned above the distance from the conductor (57) [Abstract] The present invention ( 710), and the strip line conductor having a first (730) below the ground plane which is located below the distance from the conductor, and has its main extending in the second direction (B) the second surface of the transmission device , and (760), and and a strip line conductor having a second (740) lower ground plane which is located below the distance from the conductor the conductor (750), an upper ground plane positioned above the distance from the conductor, are those electrical transmission device from each conductor and the ground plane are separated from each other by a dielectric material on the (700), transmission device (700,900), lower ground plane of the strip line conductor of the first (730) coincides with the (760) surface of the upper ground stripline conductor of the second at one point at least. In this respect, the lower ground plane of the stripline conductor of the first (730) coincides with the (760) top surface of the strip line conductor and the second main extension direction of the strip line conductor of the first 1 (A) There stripline conductor and the second, intersecting (B) and the main stretching direction of the strip line conductor and the second is by extending the third surface of the transmission device in this intersection, the strip line conductor and the second There ''shows the (740 of these connections (740'', 750 '', 760)'' electrical connection between adjacent surfaces, 750 '', 760'') is the conductor of the strip line conductor of said second (750 and 751) , I connected to the corresponding components in the adjacent surface (740 and 741) lower and the ground plane (760 and 761) the upper ground plane.
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