Soft x-ray spectrometric imaging system

Details Soft x-ray spectrometric imaging system Soft x-ray spectrometric imaging system

1979-03-26

1981-01-13

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

G01T 122

Patent

active

042451582

ABSTRACT:
An apparatus for simultaneously obtaining both non-dispersive and spatially-resolved soft x-ray spectra from a distributed soft x-ray source. A charge coupled device (CCD) camera having a back-illuminated CCD is irradiated by an x-ray source and a mechanical shutter or electronic shutter effect is used to define an integration period for the pixels of the CCD that ensures that the probability of a single pixel receiving more than one photon during the integration period is small. The magnitude of the charge at each pixel over an integration period is stored in a memory device and, after a plurality of integration periods have passed, the stored data for each pixel may be individually analyzed or combined and displayed to image the x-ray source.

REFERENCES:
patent: 3979604 (1976-09-01), Bate
patent: 3983395 (1976-09-01), Kim
patent: 4085327 (1978-04-01), Swank et al.
patent: 4100672 (1978-07-01), King et al.
patent: 4129887 (1978-12-01), Michon
IEEE Transactions on Nuclear Science, vol. NS 25, No. 1, Feb. 1978, pp. 445-452.

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