Coating processes – Medical or dental purpose product; parts; subcombinations;... – Implantable permanent prosthesis
Reexamination Certificate
2011-03-29
2011-03-29
Meeks, Timothy H (Department: 1712)
Coating processes
Medical or dental purpose product; parts; subcombinations;...
Implantable permanent prosthesis
C600S395000
Reexamination Certificate
active
07914842
ABSTRACT:
Polymer materials form electrode array bodies for neural stimulation, especially for retinal stimulation to create vision. The method lays down a polymer layer. Apply a metal layer to the polymer and pattern to create electrodes and leads. Apply a second polymer layer over the metal layer and pattern to leave openings for electrodes. The array and its supply cable are a single body. A method for manufacturing a flexible circuit electrode array, is: deposit a metal trace layer on an insulator polymer base layer; apply a layer of photoresist on the metal trace layer and pattern the metal trace layer and form metal traces on the insulator polymer base layer; activate the insulator polymer base layer and deposit a top insulator polymer layer and form a single insulating polymer layer with the base insulator polymer layer; wherein the insulator polymer layers are heated at 80-150° C. and then at 230-350° C.
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Shamma-Donoghue, et al., Thin-Film Multielectrode Arrays for a Cochlear Prosthesis; IEEE Trans. Elec. Dev., vol Ed-29, No. 1, Jan. 1982.
Greenberg Robert J.
Mech Brian V.
Neysmith Jordan Matthew
Ok Jerry
Talbot Neil Hamilton
Dunbar Scott B.
Eslami Tabassom Tadayyon
Lendvai Tomas
Meeks Timothy H
Schnittgrund Gary
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