Patent ID: 6738598
Filing Date: 2004-05-18
Classification: H04B

Abstract:
A multilayer radio frequency interconnect apparatus comprising:a first coplanar waveguide signal layer, said first coplanar wave guide signal layer including a first RF ground conductor plane, and a first signal conductor plane; a first ground layer adjacent to and disposed below said first coplanar waveguide layer, said first ground layer including a first ground plane, said first ground plane coupled to said first RF ground plane through a plurality of ground vias; a second coplanar waveguide signal layer adjacent to and disposed below said first ground layer, said second coplanar waveguide signal layer including a second RF ground conductor plane, and a second signal conductor plane, said second RF ground conductor plane coupled to said first ground plane through said plurality of ground vias, said second RF ground conductor plane coupled to said first RF ground conductor plane through a plurality of RF ground vias, said second signal plane couple to said first signal plane through a RF via; and a backside ground layer adjacent to and disposed below said second coplanar waveguide signal layer said backside ground layer comprising a second ground plane, said second ground plane coupled to said second RF ground conductor plane through said plurality of ground vias.