Patent ID: 7102480

Claim:
A printed circuit board comprising: a substrate that includes; a first substrate layer; a second substrate layer formed over the first substrate layer; a third substrate layer formed over the second substrate layer; a fourth substrate layer formed over the third substrate layer; a fifth substrate layer formed over the fourth substrate layer, wherein a flat and flexible portion of the third substrate layer extends into a recess formed by a discontinuity of the second and fourth substrate layers; a first conductive strip layer formed on the flat and flexible portion of the third substrate layer; a second conductive strip layer formed on the fifth substrate layer in the recess; an actuator located on or above the fifth substrate layer over the recess, wherein the actuator is arranged so that actuation of the actuator exerts a force on the first conductive strip layer causing the flat and flexible portion of the third substrate layer to move in the recess so that there is contact between the first conductive strip layer formed on the flat and flexible portion of the third substrate layer and the second conductive strip layer formed on the fifth substrate layer.