Scintillator array having a reflector with integrated air gaps

Details Scintillator array having a reflector with integrated air gaps Scintillator array having a reflector with integrated air gaps

2005-09-20

2005-09-20

Church, Craig E. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C250S370090, C250S370110

Reexamination Certificate

active

06947517

ABSTRACT:
The present invention is directed to a scintillator array having an integrated air gap. By integrating an air gap within the reflector, light collection efficiency is improved while simultaneously lowering cross-talk between scintillators. That is, implementing a reflector without chromium oxide (Cr2O3) increases light reflectivity and an air gap lowers cross talk through the reflector. To further improve the reflectivity, the base reflector material may be coated with a low index material and a reflective material such as silver.

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Butkus, B. “Nanaporous Coatings Exhibit Low Refractive Index”, Photonics Spectra, Nov. 2002, p. 26.

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