Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Reexamination Certificate
2007-02-06
2007-02-06
Porta, David (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Semiconductor system
Reexamination Certificate
active
10881420
ABSTRACT:
A drift detector produces an indication of an occurred hit of a quantum in the detector element. For neutralising accumulated charge in the detector element, indications of occurred hits are used to trigger pulses of deliberately increased neutralisation current into the drift detector for the duration of a limited time interval. Alternatively such triggering may be based on the operation of a timer.
REFERENCES:
patent: 5923794 (1999-07-01), McGrath et al.
patent: 6414746 (2002-07-01), Stettner et al.
patent: 6538253 (2003-03-01), Petrick et al.
patent: 6573762 (2003-06-01), Wessendorf et al.
patent: 2004/0065836 (2004-04-01), Schick et al.
Kiuru Erkki Sakari
Sipilä Heikki Johannes
Baker David S.
Oxford Instruments Analtyical Oy
Porta David
Wood, Philips, Katz Clark & Mortimer
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