CT detector having a segmented optical coupler and method of...

Details CT detector having a segmented optical coupler and method of... CT detector having a segmented optical coupler and method of...

2005-08-23

2005-08-23

Glick, Edward J. (Department: 2882)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

C250S368000, C378S004000, C378S098800

Reexamination Certificate

active

06933504

ABSTRACT:
The present invention is a directed to a CT detector for a CT imaging system that incorporates a segmented optical coupler between a photodiode array and a scintillator array. The segmented optical coupler also operates as a light collimator which improves the light collection efficiency of the photodiode array. The segmented optical coupler is defined by a series of reflector elements that collectively form a plurality of open cells. The open cells form light transmission cavities and facilitate the collimation of light from a scintillator to a photodiode. The cavities may be filled with optical epoxy for sealing to the photodiode array.

REFERENCES:
patent: 5276328 (1994-01-01), Yoshida et al.
patent: 6091795 (2000-07-01), Schafer et al.
patent: 6473486 (2002-10-01), Hoffman
patent: 6480562 (2002-11-01), Jiang et al.
patent: 6480563 (2002-11-01), Hoffman et al.
patent: 6654443 (2003-11-01), Hoffman
patent: 6717150 (2004-04-01), Hoffman

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