Patent ID: 9199839
Filing Date: 2015-12-01
Classification: B81C

Abstract:
1. A method of hermetically sealing a hole in a surface of a layer with a fuse material, comprising at least the following steps: applying a wettable material on an area of the surface such that the wettable material completely surrounds the hole in the surface and all the wettable material is located outside the hole, or such that the wettable material completely surrounds a first part of said surface corresponding to a location of the hole and all the wettable material is located outside said location of the hole; applying the fuse material on at least a part of the wettable material, and on a second part of said surface adjacent or around the wettable material such that a part of the fuse material is arranged next to the wettable material and is in contact with the wettable material, wherein a volume of the fuse material corresponds to a volume of a bump of fuse material configured to hermetically plug the hole; reflowing the fuse material, thereby forming the bump of fuse material having a shape corresponding to a part of a sphere, being fastened only to the wettable material and not being fastened to the surface, thereby hermetically plugging the hole; wherein the hole is made in or through at least said layer before the reflowing of the fuse material.