.~.~> Coating is selenium, tellurium, or compound thereof
DEFINITION
Classification: 427/74
(under subclass 58) Processes which result in a product which responds to visible, infrared, or ultraviolet illumination by (1) emitting electrons, (2) generating an electromotive force, or (3) varying electrical conductivity.
SEE OR SEARCH CLASS
136, Batteries: Thermoelectric and Photoelectric,
243+, for photocells of the generator type.
252, Compositions,
501.1, for compositions whose electrical conductivity varies
with exposure to light. 338, Electrical Resistors,
15+, for photocells of the resistive type.
438, Semiconductor Device Manufacturing: Process,
57+, for methods of making photoresponsive semiconductor barrier layer-type devices (i.e., photovoltaic devices).
