Radiant energy – Electron energy analysis
Patent
1990-03-21
1991-07-16
Berman, Jack I.
Radiant energy
Electron energy analysis
250304, H01J 4948
Patent
active
050327232
ABSTRACT:
A charged particle energy analyzer of an electrostatic concentric spherical surface type or a coaxial cylindrical mirror type analyzes the kinetic energy of charged particles emitted or scattered from a sample by irradiating an X-ray or particles to the sample. The energy analyzer comprises the sample and an outlet aperture arranged on the symmetric central axis passing through an electrostatic concentric spherical surface body or a coaxial cylindrical mirror body, an inlet port and an outlet port each having a circular-arc-like slit which has its center on the symmetric central axis, electrodes disposed at the slit of the inlet port to deflect the track of the charged particles and change the speed of the charged particles, and a position sensitive type detector disposed at the rear of the outlet aperture to detect the charged particles.
REFERENCES:
patent: 3783280 (1974-01-01), Watson
Feller-Feldegg et al., Journal of Electron Spectroscopy and Related Phenomena, 5 (1974) pp. 643-689.
Nuclear Instruments and Methods 172 (1980) 327-336, "An Ellipsoidal Mirror Display Analyzer System for Electron Energy and Angular Measurements", D. E. Eastman et al.
Rev. Scl. Instrum. 52(8), Aug. 1981, pp. 1161-1173 "Novel Charged Particle Analyzer for Momentum Determination in the Multichanneling Mode, II Physical Realization, Performance Tests, and Sample Spectra", H. A. Engelhardt et al.
Rev. Scl. Instrum. 52(6), Jun. 1981, pp. 835-839, "Novel Charged Particle Analyzer for Momentum Determination in the Multichanneling Mode: I. Design Aspects and Electron/Ion Optical Properties", H. A. Engelhardt et al.
J. Phys. E: Sci. Instrum., vol. 13, 1980, printed in Great Britian, "Position-Sensitive Detector System for Angle-Resolved Electron Spectroscopy with a Cylindrical Mirror Analyser", H. A. Van Hoof et al.
Berman Jack I.
Tosoh Corporation
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