Patent ID: 7148429

Claim:
A system for communicating with an electronic device within a sealed vessel comprising: a generally enclosed housing having an opening; a printed circuit board comprising at least two laminated substrate layers covering the housing opening to create a fully enclosed, sealed vessel; an electronic device within the interior of the sealed vessel; an external device outside of the sealed vessel; and at least one conductive path extending through the printed circuit board from a first surface located outside of the sealed vessel to a second surface located inside of the sealed vessel, the at least one conductive path comprising at least five conductive elements, a first conductive trace element located on the first surface of the first layer of the printed circuit board, a first blind via connected to the first conductive trace element and extending through the first substrate layer of the printed circuit board, a second conductive trace element connected to the first blind via and extending between the first substrate layer of the printed circuit board and a second substrate layer of the printed circuit board, a second blind via connected to the second conductive trace element and extending through the second substrate layer of the printed circuit board, and a third conductive trace element connected to the second blind via and located on the second surface of the second substrate layer of the printed circuit board, the external device being connected to the first conductive trace element and the electronic device being connected to the third conductive trace element, whereby communication is established between the external device and the electronic device within the interior of the sealed vessel utilizing the at least one conductive path.