Patent ID: 6939734
Filing Date: 2005-09-06
Classification: B81C,H01L,H03H

Abstract:
1. A method for producing a protective cover for a device, wherein a substrate is provided that includes the device, the method comprising: (a) depositing a first cover layer on a substrate, the first cover layer covering at least an area of the substrate which includes the device; (b) forming at least one opening in the first cover layer, the at least one opening exposing the area of the substrate which includes the device; (c) filling up the opening formed in the first cover layer using a filling material; (d) depositing a second cover layer on the first cover layer and on the opening of the first cover layer which is filled up with the filling material; (e) forming at least one opening in the second cover layer to expose at least an area of the filling material; (f) removing the filling material which covers an area of the substrate which includes the device; and (g) closing the opening formed in the second cover layer.