Package for light-triggered thyristor

Details Package for light-triggered thyristor Package for light-triggered thyristor

H - Electricity

01

L

356/161, 328/114

H01L 23/28 (2006.01) G02B 6/42 (2006.01) H01L 23/051 (2006.01) H01L 29/74 (2006.01) H01L 31/0203 (2006.01) H01L 31/111 (2006.01)

Patent

CA 1081370

ABSTRACT OF THE DISCLOSURE An hermetically sealed package for a light-triggered thyristor. The thyristor is mounted within the cavity of an insulating body. Cathode and anode pole pieces are mounted on opposite sides of and electrically coupled with the thyristor. Annular flanges are provided to form hermetical seals between the body and pole pieces. A light pipe is mounted in a radial- ly extending slot formed through a face of one pole piece. An inner end of the light pipe is optically coupled with a light-sensitive region of the thyristor. The outer end of the light pipe is mounted within a metal sleeve which radially projects through an opening formed in a side of the body. A glass frit is bonded between the light pipe and inner end of the sleeve to form an hermetical seal. Another hermetical seal is formed by solder which bonds between the metal sleeve and a metalized region formed in the body about the opening. A connector fitting is mounted on an outer end of the sleeve for seating the end of a fiber optic cable which extends from a triggering light source.

289402

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