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Microcomputer‐multichannel analyzer data system for foreground‐background data collection and analysis

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3 Author(s)
Beard, Bruce C. ; Materials and Molecular Research Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720 ; Dahlgren, David ; Ross, Philip N.

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A microcomputer‐multichannel analyzer (MCA) system was assembled to obtain foreground‐background performance in data collection and analysis for x‐ray photoelectron spectroscopy. The MCA performs pulse counting analysis, while the microcomputer is free to evaluate previously down‐loaded data or perform other computing functions. No special interfacing hardware is required beyond single digital to analog (D/A), and analog to digital (A/D) converters. Analysis and computing time is optimized with a minimum interfacing expense.

Published in:

Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films  (Volume:3 ,  Issue: 5 )