Patent 7485972 was granted and assigned to Panasonic on February, 2009 by the United States Patent and Trademark Office.
Provided is a semiconductor device which includes a conductive bonding pad formed on a semiconductor substrate of the first conduction type via an insulating film and a diffusion layer of the second conduction type formed on a surface of the semiconductor substrate under the bonding pad. Characteristics do not deteriorate even when a breakdown occurs during wire bonding.