Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1976-06-08
1978-04-25
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
313104, 250213VT, H01J 3912
Patent
active
040864863
ABSTRACT:
A photon-counting detector array utilizes a one-dimensional multiple element anode array is in proximity focus to the last plate of the microchannel array for collecting the electrons generated therein. A specific embodiment has 64 anode elements. A detector system is provided with separate charge amplifiers, and level discriminators for each anode element. The discriminator outputs can be serially read out to a digital computer. Alternatively or additionally, the discriminator outputs are accumulated in counters, and display electronics are provided which can include digital-to-analog converters for forming a display representative of the counts accumulated in each counter, and the total count accumulated in all the counters.
REFERENCES:
patent: 3374380 (1968-03-01), Goodrich
patent: 3676676 (1972-07-01), Somer
patent: 3887810 (1975-06-01), Skaggs
One-Dimensional Photon-Counting Detector Array for Use at EUV and Soft X-ray Wavelengths., J. G. Timothy & R. L. Bybee, applied Optics, vol. 14, No. 7, Jul. 1975, pp. 1632-1644.
Bybee Richard Lee
Timothy John G.
Haynes James D.
Nelms David C.
Sunderdick Vincent J.
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