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CMA 100

Product catalog summary

Overview: The document describes the Cylindrical Mirror Analyser (CMA) 100, a compact and efficient instrument for chemical surface analysis, particularly Auger-spectroscopy. It features dual-mode operation (analogue and pulse counting) for versatile applications.

Specifications: The CMA 100 guarantees a resolution of ∆E/E <0.5% and a signal-to-noise ratio of 1000:1 in analogue mode and 900:1 in pulse counting mode. It supports a kinetic energy range of 20-3000 eV and a maximum count rate of 10 MHz. The integral electron source provides a beam current range from 50 µA to 1 nA, with a spot size down to 25 µm and a maximum beam energy of 5 keV.

Features: The analyser includes a retraction mechanism for easy sample access, magnetic shielding, and a bakeout temperature of 220°C. It is equipped with a beam current monitor and external output, controlled remotely. The NGE 52 source power supply ensures stable emission current for reliable analysis.

Operation Modes:

Analogue Mode: Suitable for fast data acquisition with beam currents between 0.5 µA and 50 µA, offering high resolution and real-time spectrum display.
Pulse Counting Mode: Optimized for delicate surfaces with beam currents from 100 nA to 1 nA, providing high sensitivity and a maximum count rate of 10 MHz.

Software: The DATAuger software, compatible with Windows NT, facilitates fully computer-controlled spectra acquisition. It supports up to 10 sequential scans with independent parameter settings and includes data processing routines like smoothing, differentiation, and background subtraction. Data can be stored in ASCII or binary formats.

Additional Information: The document provides contact details for Omicron's offices worldwide and notes that specifications are subject to change without notice.

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