Importance

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Abstract

The present invention is an implantable medical device comprising an outer housing, electronics within the outer housing, the electronics located in on a substrate circuit board, and a rechargeable thin-film microbattery within the outer housing. The rechargeable thin-film microbattery of the present invention is a solid-state battery that is devoid of liquids or other volatile materials from which the electronics must be protected. In one embodiment, the rechargeable thin-film microbattery has a straight first side that is adjacent to the substrate circuit board, and a curved second side that is adjacent to the outer housing. In one embodiment, the rechargeable thin-film microbattery lies in a plane that is parallel to the substrate circuit board containing the electronics. In one embodiment, the electronics are on a first face of the substrate circuit board, and the rechargeable thin-film microbattery is positioned adjacent a second face of the substrate circuit board, the second face being on the side of the substrate circuit board opposite to the first face. In one embodiment, the rechargeable thin-film microbattery is deposited on the bottom face of the substrate circuit board. In one embodiment, the may be two or more microbatteries that are stacked in series or in parallel.

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First Claim