Patent ID: 8461855

Claim:
A device interface board for installation between a test head and at least one device-under-test within automatic test equipment, the device interface board comprising: a) a printed circuit board having a DUT side and a back side; b) at least one DUT interface structure associated with to the DUT side of the printed circuit board; c) a cavity in a back side of the printed circuit board, the cavity being separated from the DUT side by a portion of the printed circuit board of reduced thickness; d) at least one high frequency connector mounted on the back side within the cavity and at least one electronic component mounted on the back side within the cavity; and e) at least one signal via through the portion of the printed circuit board of reduced thickness, the at least one signal via coupling the at least one high frequency connector and the at least one electronic component to the at least one DUT interface structure, wherein the printed circuit board further comprises at least 20 layers.