Patent ID: 8372676
Filing Date: 2013-02-12
Classification: B81B,B81C,H01L

Abstract:
1. A method of manufacturing a microelectromechanical device having a mechanical structure, a periphery area and a fixed electrode that are disposed over or in a substrate and in a chamber which is formed, at least in part, by a thin film encapsulation structure, the method comprising: forming the mechanical structure disposed over the substrate wherein at least a portion of the mechanical structure is disposed in the chamber; depositing a fluid in the chamber; forming the periphery area disposed over the substrate; forming a plurality of gaps in the periphery area, wherein the plurality of gaps is disposed in the chamber and exposed to the fluid, and wherein the plurality of gaps increase a volume of the chamber; and sealing the chamber by depositing the thin film encapsulation structure over the mechanical structure and the periphery area, to partially define and seal the chamber, wherein the fluid is contained in the chamber after the chamber is sealed; wherein: