Transmission mode photocathode with multilayer active layer for

Details Transmission mode photocathode with multilayer active layer for Transmission mode photocathode with multilayer active layer for

1995-09-13

1999-12-21

Jackson, Jr., Jerome

Active solid-state devices (e.g., transistors, solid-state diode

Thin active physical layer which is

Low workfunction layer for electron emission

257185, 257191, 313368, 313542, 313501, H01L 30304, H01J 4006, H01J 3126

Patent

active

060052570

ABSTRACT:
An improved photocathode and image intensifier tube are disclosed along with a method for making both the tube and photocathode. The disclosed photocathode and image intensifier tube have an active layer comprising two or more sublayers. The first sublayer has a first concentration of a group III-V semiconductor compound while the second sublayer has a second concentration of the group III-V semiconductor compound. The multilayer active layer is coupled to a window layer.

REFERENCES:
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patent: 3814996 (1974-06-01), Enstrom
patent: 3868523 (1975-02-01), Klopfer
patent: 4616248 (1986-10-01), Khan
patent: 4829355 (1989-05-01), Munier
patent: 5146296 (1992-09-01), Huth
patent: 5404026 (1995-04-01), Mariella
patent: 5506402 (1996-04-01), Estrera
patent: 5747862 (1998-05-01), Kishino

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