Filtered feedthrough assembly and method of manufacture

An implantable medical device, comprising:

• a housing;
• circuitry disposed within the housing;
• a terminal pin electrically coupled to said circuitry;
• a filtered feedthrough assembly for guiding said terminal pin through said housing, comprising:
• a ferrule fixedly coupled to said housing;
• an insulating structure disposed within said ferrule for insulatively guiding said terminal pin through said ferrule;
• a capacitor fixedly coupled to said ferrule and having an aperture therethrough for receiving said terminal pin, the aperture cooperating with said terminal pin to form an annular cavity;
• a layer of non-conductive epoxy disposed between said capacitor and said insulating structure to secure said capacitor to said insulating structure;
• a first washer disposed between said capacitor and said insulating structure, said first washer configured to prevent said epoxy from flowing into the annular cavity;
• and
• a conductive material disposed within the annular cavity to electrically couple said terminal pin and said capacitor;
• and
• at least one lead coupled to said terminal pin.