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Computer-Controlled Polishing System For Preparing Multiple Pre-FIB TEM Specimens

Published online by Cambridge University Press:  14 March 2018

D. J. MacMahon
Affiliation:
Micron Technology, Inc.
E. Raz-Moyal*
Affiliation:
Gatan, Inc. Manassas, VA and Pleasanton, CA

Extract

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Semiconductor manufacturers are increasingly turning to Transmission Electron Microscopes (TEMs) to monitor product yield and process control, analyze defects, and investigate interface layer morphology. To prepare TEM specimens, Focused Ion Beam (FIB) technology is an invaluable tool, yielding a standard milled TEM lamella approximately 15 μm wide, 5 μm deep and ~100 nm thick. Several techniques have been developed to extract these tiny objects from a large wafer and view it in the TEM. These techniques, including ex-situ lift-out, H-bar, and in-situ lift-out, have different advantages and disadvantages, but all require painstaking preparation of one specimen at a time.

Type
Research Article
Copyright
Copyright © Microscopy Society of America 2007