Image intensifier with indexed compliant anode assembly

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United States of America Patent

PATENT NO 9734977
APP PUB NO 20170018391A1
SERIAL NO

14801807

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Abstract

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An image intensifier and a method of fabrication are disclosed. The image intensifier contains a photocathode assembly (120) including a vacuum window to generate photoelectrons in response to light, a vacuum package (110) and an anode assembly (130) to receive the photoelectrons. The anode assembly is mounted to the vacuum package via a compliant, springy, support structure (160). The anode additionally includes one or more insulating spacers (140) on the surface facing the photocathode so as to precisely index the position of the anode assembly with respect to the photocathode surface. The photocathode and vacuum window assembly is pressed into the vacuum package to generate a sealed leak tight vacuum envelope. During the photocathode assembly to vacuum package assembly pressing operation, the inner surface of the photocathode assembly contacts the insulating spacer/spacers of the anode assembly, thereby compressing the compliant support structure. This structure and assembly method result in a precisely indexed photocathode to anode assembly sealed image intensifier.

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Patent Owner(s)

  • INTEVAC, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Costello, Kenneth Union City, US 6 19
Roderick, Kevin San Jose, US 39 202

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