Detection of atoms using monochromatic X-rays

Details Detection of atoms using monochromatic X-rays Detection of atoms using monochromatic X-rays

1979-08-29

1980-12-16

Smith, Alfred E.

Radiant energy

Coded record and readers; invisible radiant energy type

250444, G01N 2320

Patent

active

042399661

ABSTRACT:
A method and apparatus for detecting, in a specimen, atoms, of an element having an atomic number of at least 20, comprising irradiating the specimen with monochromatic X-rays having a wavelength capable of inducing an inner shell ionization of the atoms with subsequent auger cascade and recording the emission of the auger electrons emitted by the cascade on a photographic emulsion, the monochromatic X-rays being produced by exposing a secondary radiator to X-rays to produce consequent secondary radiation in the form of the monochromatic X-rays.

REFERENCES:
patent: 3735128 (1973-05-01), Palmberg
patent: 3919548 (1975-11-01), Porter
patent: 4158770 (1979-06-01), Davis et al.

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