Patent ID: 7826228

Claim:
A piston reset apparatus for a multichip module, the apparatus comprising: a base that includes a stand off area, said stand off area including a plurality of projections, said base also including two unit associating pegs extending from a relative top surface of said base, said two unit associating pegs being disposed on opposite ends of said base; a hat disposed upwardly of said base, said hat including a plurality of pistons that are positionally fixed in said hat and a plurality of adjustable pistons that are vertically adjustable within said hat in a direction towards said base, wherein each of said plurality of adjustable pistons is disposed within said hat to be in alignment with one of said plurality of projections; a mass equivalent plate disposed upwardly of said hat, said mass equivalent plate being configured to hold a spring loaded sleeve at a surface of said mass equivalent plate that is in closest proximity to said hat, said spring loaded sleeve including a plurality of springs, wherein each of said plurality of springs is aligned with and configured to apply pressure upon one of said plurality of pistons; and a spring loaded clamp disposed upwardly of said mass equivalent plate, said spring loaded clamp including a spring loaded portion and a retaining portion, said spring loaded portion being disposed adjacently to a relative top surface of said mass equivalent plate, and said retaining portion defining two cavities, each of said two cavities being configured to fixedly associate with an associating groove defined by each of said two unit associating pegs.