Electron energy analyzing apparatus

Details Electron energy analyzing apparatus Electron energy analyzing apparatus

1981-11-05

1984-10-30

Tokar, Michael J.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

Beam of atomic particles

250397, G01N 2700

Patent

active

044802200

ABSTRACT:
An electron energy analyzing apparatus is disclosed in which electrons having passed through a sample are subjected to energy analysis, respective energy values of the crest and trough of an energy peak characterizing a predetermined substance in the sample are selected, subtraction is performed beetween output signals of a detector obtained respectively at the energy values, the sign of a difference between the output signals is judged to separate a background signal from an energy loss peak signal, and a distribution image of the substance is displayed on the basis of the energy loss peak signal containing no background signal.

REFERENCES:
patent: 3909610 (1975-09-01), Kokubo
patent: 4068123 (1978-01-01), Kokubo
patent: 4109168 (1978-08-01), Raymond
Circuit Design Idea Handbook, Ed. Bill Furlow, Halliday _Lithograph Corp., 1974.

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