Patent ID: 7209368

Claim:
A circuitized substrate comprising: first and second dielectric layers, each of said first and second dielectric layers having first and second opposing sides; a substantially solid conductive ground plane located between said first opposing side of said first dielectric layer and said first opposing side of said second dielectric layer; a first conductive signal line located on said second opposing side of said first dielectric layer and a second conductive line located on said second opposing side of said second dielectric layer; first and second conductive ground lines located on said second opposing side of said first dielectric layer on opposite sides of said first conductive signal line and electrically coupled to said substantially solid conductive ground plane located on said first opposing side of said dielectric layer; and a first conductive thru-hole extending through said substantially solid conductive ground plane and electrically coupling said first conductive signal line to said second conductive signal line, said first and second conductive ground lines and said substantially conductive ground plane providing shielding for said at least one conductive signal line during the passage of electrical current through said signal line.