Patent ID: 7791227

Claim:
A first device ( 350 ) comprising: a first signal trace ( 307 ) configured to be removably connected to a second signal trace ( 301 ) of a second device ( 340 ); a first ground layer ( 311 ) configured to be removably connected to a second ground layer ( 305 ) of the second device ( 340 ); a first reference layer ( 309 ) opposing the first ground layer ( 311 ) and configured in a first portion of the first device to be on an opposite side of the first signal trace ( 307 ) from the first ground layer ( 311 ), the first reference layer ( 309 ) being connected to a first voltage regulator ( 339 ) associated with the first device ( 350 ); and a second reference layer ( 317 ) opposing the first ground layer ( 311 ) and configured in a second portion of the first device ( 350 ) to be on the opposite side of the first signal trace ( 307 ) from the first ground layer ( 311 ), the second reference layer ( 317 ) configured to be removably connected to a third reference layer ( 303 ) of the second device ( 340 ).