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Proceedings Paper

In-situ Characterization Of Impurities And Defects At Si Interfaces
Author(s): M. Liehr
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Paper Abstract

An ultraclean and integrated processing laboratory for Si technology is described whose purpose is to explore (1) the fundamental chemistry and physics of thermal processes, (2) the potential of ultraclean growth conditions for obtaining good materials properties, and (3) the integration of related process sequences in-situ. In-situ analysis and monitoring plays a key role in all three. Defect formation is analyzed by surface analytical techniques, based mostly on electron spectroscopies, and consequences for film growth are discussed. An important distinction is made between molecular contamination on the level of sub-monolayer coverages (of order 1014cm-2 ) and individual point defects caused by particles (of order 103cm-2). Different analytical techniques and detection schemes are required to deal with such vastly different contamination densities.

Paper Details

Date Published: 5 February 1990
PDF: 12 pages
Proc. SPIE 1186, Surface and Interface Analysis of Microelectronic Materials Processing and Growth, (5 February 1990); doi: 10.1117/12.963926
Show Author Affiliations
M. Liehr, Thomas J. Watson Research Center (United States)

Published in SPIE Proceedings Vol. 1186:
Surface and Interface Analysis of Microelectronic Materials Processing and Growth
Leonard J. Brillson; Fred H. Pollak, Editor(s)

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