Patent ID: 9330856
Filing Date: 2016-05-03
CPC Classification: B81B,B81C,H01H,H01L,Y10S,Y10T

Claim Text:
1. A method of forming at least one Micro-Electro-Mechanical System (MEMS), comprising: forming a beam structure; forming an electrode directly on a top surface of an insulator layer, remote from the beam structure; forming at least one sacrificial layer over the beam structure, and remote from the electrode; forming a lid structure over the at least one sacrificial layer and the electrode; providing simultaneously a vent hole through the lid structure to expose the sacrificial layer and to form a partial via over the electrode; venting the sacrificial layer to form a cavity; sealing the vent hole with material; and forming a final via in the lid structure to the electrode, through the partial via, wherein the partial via has a larger cross section diameter than the final via.