Light activated silicon switch

Details Light activated silicon switch Light activated silicon switch

H - Electricity

01

L

356/161, 345/26

H01L 31/06 (2006.01) G02B 6/42 (2006.01)

Patent

CA 1130475

47,702 -15- ABSTRACT OF THE DISCLOSURE A light activated silicon switch (LASS) is dis- closed in which light is transmitted from a light trigger source to target areas prepared in the cathode-base and anode-emitter regions of the silicon wafer. These target areas are V-shaped channels etched in the silicon wafer. Light transmitting conduits, each consisting of a central core of light transmissive material, with an outer cladding, are arranged to transmit the light energy to the respective target areas. The cladding is removed at one end of each conduit for optically coupling the light to the proximate target area, while the other end of the conduit is adapted to receive a light trigger signal of appropriate wave length.

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