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Determination of the sputtering rate of electroless nickel layers with a glow discharge lamp

✍ Scribed by R. G. Böhmer; J. T. Nel

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
385 KB
Volume
15
Category
Article
ISSN
0142-2421

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✦ Synopsis

Abstract

Grimm glow discharge spectrometry was used to analyse electroless nickel coatings on a steel substrate. Because of poor depth resolution at the coating/metal interface, it was necessary to determine the sputtering rate of the layer itself at different power settings and to calculate the sputtering rate per power unit. The penetration time for layers with different thicknesses was also determined for different power settings. By comparing sputtering rates per power unit, it was found that the best results were obtained if the penetration time was equated to the time needed for the nickel signal to reduce to half its original value.

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Surface analysis of uranyl fluoride laye
Surface analysis of uranyl fluoride layers with a glow discharge lamp
✍ J. T. Nel; C. M. Stander; R. G. Böhmer 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 168 KB

## Abstract Surface analysis with a Grimm‐type glow discharge lamp was used to analyse uranyl fluoride layers that had formed on a nickel sufbstrate after exposure to UF~6~. Narrow‐band optical filters were used to isolate the intensities of three fluorine emission lines. An in‐depth profile of lay