H - Electricity – 01 – L
Patent
H - Electricity
01
L
347/9
H01L 27/14 (2006.01) G02B 6/42 (2006.01) H01L 23/02 (2006.01) H01L 23/051 (2006.01) H01L 31/00 (2006.01) H01L 31/0203 (2006.01) H01L 31/111 (2006.01)
Patent
CA 1096024
A-33353 PACKAGE FOR LIGHT-TRIGGERED THYRISTOR 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 radially extending slot formed through a face of one pole piece. An inner end of the light pipe is op- tically 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. An hermetical seal is formed between the light pipe and inner end of the sleeve by means of a glass frit in one embodiment, or by means of solder bonded between the sleeve and a metallized region formed about the light pipe in another embodiment. Another hermetical seal is formed by solder which bonds between the metal sleeve and a metallized 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 -1- a triggering light source.
303568
Hanes Maurice H.
Lowry Lewis R. Jr.
Electric Power Research Institute
Smart & Biggar
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