Patent ID: 7160476
Filing Date: 2007-01-09
Classification: B81C,H01L,H03H,H05K

Abstract:
1. A method of manufacturing an electronic device comprising a substrate with a metallization side, on which metallization an electrical element is present in a cavity that is bounded by the substrate and a cover, the method comprising the steps of: providing a foil; applying the foil to the metallization side of the substrate while forming the cavity, part of the foil forming the cover; and affixing the cover to the substrate, characterized in that a foil is provided which comprises a patterned layer on a first side and a sacrifice layer on a second side, the foil is placed to a protruding part of the substrate, an interstice between the substrate and the foil developing around the cavity; and the foil is affixed to the substrate by filling an interstice around the substrate with isolating material.