Electron multiplying solid-state image pickup apparatus,...

Details Electron multiplying solid-state image pickup apparatus,... Electron multiplying solid-state image pickup apparatus,...

2008-03-18

2009-08-25

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140VT

Reexamination Certificate

active

07579575

ABSTRACT:
An electron multiplying solid-state image pickup apparatus which obtains a desired electron multiplying gain through adjusting a voltage applied to an electron multiplying gate electrode includes an electron multiplying unit, a test signal supply unit and a control unit. The electron multiplying unit multiplies an electron corresponding to an input signal by an electric field generated by the applied voltage. The test signal supply unit supplies a test signal to the electron multiplying unit. The control unit compares a level of the test signal multiplied by the electron multiplying unit with an expected level determined in advance, and adjusts the voltage applied to the electron multiplying gate electrode so that the multiplied test signal level is equal to or larger than the expected level.

REFERENCES:
patent: 6720996 (2004-04-01), Suyama et al.
patent: 06233332 (1994-08-01), None
patent: 2003324502 (2000-11-01), None
patent: 2006203222 (2006-08-01), None
patent: 2007274050 (2007-10-01), None

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