Removal of epoxy-attached thin-sections from glass slides by plasma-etching

Van Deusen, Stuart B. & Mackinnon, Ian D. R. (1987) Removal of epoxy-attached thin-sections from glass slides by plasma-etching. Journal of Electron Microscopy Technique, 5(2), pp. 131-140.

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Abstract

Thin-sectioned samples mounted on glass slides with common petrographic epoxies cannot be easily removed (for subsequent ion-milling) by standard methods such as heating or dissolution in solvents. A method for the removal of such samples using a radio frequency (RF) generated oxygen plasma has been investigated for a number of typical petrographic and ceramic thin sections. Sample integrity and thickness were critical factors that determined the etching rate of adhesive and the survivability of the sample. Several tests were performed on a variety of materials in order to estimate possible heating or oxidation damage from the plasma. Temperatures in the plasma chamber remained below 138°C and weight changes in mineral powders etched for 76 hr were less than ±4%. A crystal of optical grade calcite showed no apparent surface damage after 48 hr of etching. Any damage from the oxygen plasma is apparently confined to the surface of the sample, and is removed during the ion-milling stage of transmission electron microscopy (TEM) sample preparation.

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ID Code: 57493
Item Type: Journal Article
Refereed: Yes
Additional Information: ISI Document Delivery No.: F8580
Times Cited: 0
Cited Reference Count: 8
Vandeusen, sb mackinnon, idr
Wiley-liss
New york
Article first published online: 4 FEB 2005
DOI: 10.1002/jemt.1060050203
ISSN: 1097-0029 (online) 1059-910X (print)
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > MACROMOLECULAR AND MATERIALS CHEMISTRY (030300) > Macromolecular and Materials Chemistry not elsewhere classified (030399)
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > GEOLOGY (040300) > Mineralogy and Crystallography (040306)
Divisions: Current > Institutes > Institute for Future Environments
Copyright Owner: Copyright 1987 Wiley-Liss, Inc.
Deposited On: 26 Feb 2013 22:35
Last Modified: 26 Feb 2013 22:35

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