US Patent 7348495 Uniform force hydrostatic bolster plate

A method and apparatus to mount a uniform force hydrostatic bolster plate to a substrate. One embodiment of the invention involves a method to assemble a uniform force hydrostatic bolster plate on a substrate. A second embodiment of the invention involves a method to fabricate a uniform force hydrostatic bolster plate. A third embodiment of the invention involves an assembled substrate with a uniform force hydrostatic bolster plate on the opposite side of the assembled substrate, under an electrical contact area of a component on the assembled substrate.