Patent ID: 8395837
Filing Date: 2013-03-12
Classification: B81B,B81C,G02B,H01L

Abstract:
1. A method for fabricating a microelectromechanical system (MEMS) device, comprising: forming a first sacrificial material layer over a substrate; forming a movable member layer over the first sacrificial material layer; patterning the movable member layer to define a movable member; forming a second sacrificial material layer over the movable member and the first sacrificial material layer; patterning the second sacrificial material layer to form an opening; forming a hinge material layer over the patterned second sacrificial material layer; patterning the hinge material layer to define a hinge; after forming the hinge, removing the first and second sacrificial material layers thereby releasing the moveable member for movement about the hinge; the first and second sacrificial material layers being removed by a breakthrough etch for removing contaminants from the first and second sacrificial material layers, followed by a spontaneous etch that spontaneously and chemically reacts to remove the first and second sacrificial materials; following release of the moveable member, cleaning surfaces of the moveable member with a cleaning agent comprising a gas mixture containing ozone; following cleaning the surfaces, coating the surfaces with a self-atomic monolayer (SAM) coating; and after coating the surfaces, treating the surfaces with a lubricant, wherein the lubricant is applied with a silicon capillary tube, and wherein the capillary tube is baked prior to applying of the lubricant.