Patent ID: 7706887

Claim:
A retinal prosthesis comprising: a chip comprising a face and a backside; an insulating flexible film overlying the face of the chip; at least one opening through a portion of the insulating flexible film to a contact region on the face of the chip; a metallization layer overlying the insulating flexible film to couple to the contact region through the at least one opening in the insulating flexible film; a flexible protective layer overlying the metallization layer; a flexible sandwich structure formed by a first portion of the insulating flexible film, a second portion of the metallization layer, and a third portion of the flexible protective layer, wherein said second portion overlies said first portion and wherein said third portion overlies said second portion; and at least one opening through a portion of the flexible protective layer or the insulating flexible film, to couple the metallization layer to at least one electrode suitable to stimulate retinal tissue.