Particle detector spatial resolution

Details Particle detector spatial resolution Particle detector spatial resolution

1991-07-31

1992-12-15

Powell, William A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

156633, 156655, 156657, 156662, 156668, 25037009, 25037011, 427 64, G01T 120, H01L 2500, H01L 21306, B44C 122

Patent

active

051719967

ABSTRACT:
Method and apparatus for producing separated columns of scintillation layer material, for use in detection of X-rays and high energy charged particles with improved spatial resolution. A pattern of ridges or projections is formed on one surface of a substrate layer or in a thin polyimide layer, and the scintillation layer is grown at controlled temperature and growth rate on the ridge-containing material. The scintillation material preferentially forms cylinders or columns, separated by gaps conforming to the pattern of ridges, and these columns direct most of the light produced in the scintillation layer along individual columns for subsequent detection in a photodiode layer. The gaps may be filled with a light-absorbing material to further enhance the spatial resolution of the particle detector.

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