A high-density microelectrode array that is flexible and stretchable and can also be implanted within living tissue is provided. The microelectrode array includes at least first and second implantable and biocompatible polymeric layers in which a plurality of patterned conductive features, including...http://www.google.de/patents/US20070123963?utm_source=gb-gplus-sharePatent US20070123963 - Method for producing flexible, stretchable, and implantable high-density microelectrode arrays