Continuous moisture getter for solid state detector

Details Continuous moisture getter for solid state detector Continuous moisture getter for solid state detector

2006-04-18

2006-04-18

Gabor, Otilia (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

C378S019000

Reexamination Certificate

active

07030387

ABSTRACT:
A nuclear camera system (10) includes a gantry (22, 23) disposed about an examination region (17) having detector heads (15a,b,c) mounted to the gantry. The detector heads (15) include an enclosure (30, 34, 54, 56) defining a volume (61). A plurality of solid state detectors (40) are arranged in an array (36) within the enclosure volume. A first cold plate (46) is in thermally conductive contact with the plurality of solid state detectors. A first Peltier cooler (50) is in thermally conductive contact with the first cold plate, the first Peltier cooler provides for cooling the plurality of detectors in the array. A second cold plate (47) is located within the enclosure and is thermally insulated from first cold plate. A second Peltier cooler (52) is in thermally conductive contact with the second cold plate, the second Peltier cooler for removing moisture from the volume (61). A heat sink (56) is in thermally conductive contact with the first and second Peltier coolers. A sensor (64, 66, 68, 75) is in operative relationship with the detector head. The sensor (75) provides a signal indicative of an environmental condition within the interior volume of the detector head. A controller (24) is controllably connected to the sensor. The controller determines a modification, modification in response to the sensor signal, to a selected environmental condition within the interior volume of the detector head and provides a control instruction for the modification. An actuator (52, 66, 73) is in operative relationship with the interior volume of the detector and is controllably connected to the controller. The actuator implements a control instruction from the controller for modifying the selected condition within the detector head.

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