Patent ID: 6507082
Filing Date: 2003-01-14
Classification: A43B,B81B,B81C,H01L

Abstract:
A packaged micromechanical device comprising:a semiconductor chip having an integrated circuit including a plurality of micromechanical components configured in a plane in the central portion of said chip, and a plurality of metallic terminals disposed in peripheral portions, surrounding said chip; an electrically insulting substrate having first and second surfaces and an opening, said surfaces being substantially parallel to each other; a plurality of electrically conductive routing lines integral with said substrate; a first plurality of metallic contact pads disposed on said first surface, in proximity to said opening and electrically connected with said routing lines; a second plurality of metallic contact pads disposed on said first surface, remote from said opening and electrically connected with said routing lines; a plurality of solder balls electrically connecting said terminals to said first plurality of contact pads, mounting said chip onto said substrate spaced apart by a gap, whereby one level of said opening is closed, and positioning said substrate in a plane parallel to said components plane; a polymer encapsulant filling said gap, surrounding said opening with a continuous frame of polymer; and a lid adhered to said second surface in a plane parallel to said components plane, whereby a second level of said opening is closed.