Photoconductive switch module

Details Photoconductive switch module Photoconductive switch module

2006-03-07

2006-03-07

Sohn, Seung C. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Signal isolator

C250S239000, C257S082000

Reexamination Certificate

active

07009195

ABSTRACT:
The present invention is directed to a photoconductive switch module. The photoconductive switch module comprises a first substrate having light-emitting elements, and a second substrate having photoconductive switch elements, whose number is equal to that of the light-emitting elements. The light-emitting elements face the photoconductive switch elements, so that the photoconductive switch elements are turned on/off in accordance with lighting/extinction of the light-emitting elements. The photoconductive switch module further comprises a third substrate arranged between the first substrate and the second substrate. The third substrate has through holes, whose number is equal to that of the light-emitting elements. Each through hole is positioned between a light-emitting element and a photoconductive switch element facing each other. Drive light emitted from each light-emitting element travels to the photoconductive switch element via the through hole.

REFERENCES:
patent: 5990475 (1999-11-01), Alegi
patent: 6252221 (2001-06-01), Kaneko et al.
patent: 6407401 (2002-06-01), Kondoh et al.
patent: 6759668 (2004-07-01), Matsuo et al.

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