Light-triggered thyristor and package therefore

Details Light-triggered thyristor and package therefore Light-triggered thyristor and package therefore

1977-05-26

1978-12-26

James, Andrew J.

357 17, 357 38, 357 74, 357 81, H01L 2714, H01L 3100, H01L 2302

Patent

active

041319052

ABSTRACT:
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 radially 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.

REFERENCES:
patent: 3423594 (1969-01-01), Galopin
patent: 3586932 (1971-06-01), Kokosa
patent: 3590338 (1971-06-01), Roberts
patent: 3590344 (1971-06-01), Roberts
patent: 3796881 (1974-03-01), Roberts
patent: 3975758 (1976-08-01), Schlegel
patent: 3991460 (1976-11-01), Roberts
patent: 4003074 (1977-01-01), Yonezu et al.
patent: 4008486 (1977-02-01), Byczkowski

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