Photocathode, electron tube, and method of assembling...

Details Photocathode, electron tube, and method of assembling... Photocathode, electron tube, and method of assembling...

2006-02-21

2006-02-21

Porta, David (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S207000, C313S532000

Reexamination Certificate

active

07002132

ABSTRACT:
The invention relates to a photocathode and the like having such structure for holding a photocathode plate on a light transparent member with good reliability and workability. In the photocathode, claw portions of a holding member fixed to the light transparent member is pressed against the lower surface of a supporting plate so that a photocathode plate is sandwiched between the light transparent member and the supporting plate. Thus, the supporting plate is pressed against the photocathode plate, so that the photocathode plate is pressed against the light transparent plate by the supporting plate. This allows the photocathode plate to be held reliably by the light transparent member. This simple configuration further provides good workability in assembling.

REFERENCES:
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patent: 8-255580 (1996-10-01), None
patent: 2002-42636 (2002-02-01), None

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