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Pyrolytic Lcvd of Silicon Using A Pulsed Visible Laser - Experiment and Modelling

Published online by Cambridge University Press:  22 February 2011

B. Ivanov ,
C. Popov ,
V. Shanov  and
D. Filipov
B. Ivanov
Affiliation:
Technological University of Sofia, Dept. of Semiconductors, 8 Kliment Ohridski St., 1756 Sofia, Bulgaria
C. Popov
Affiliation:
Technological University of Sofia, Dept. of Semiconductors, 8 Kliment Ohridski St., 1756 Sofia, Bulgaria
V. Shanov
Affiliation:
Technological University of Sofia, Dept. of Semiconductors, 8 Kliment Ohridski St., 1756 Sofia, Bulgaria
D. Filipov
Affiliation:
Technological University of Sofia, Dept. of Semiconductors, 8 Kliment Ohridski St., 1756 Sofia, Bulgaria
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Abstract

Maskless deposition of silicon from silane on Si monocrystalline wafer using copper bromide vapor laser (CBVL) is investigated. Morphology and geometric parameters of the stripes obtained are studied and some conclusions for the process mechanism are made. Applying Kirchoff's transform and Green's function analysis nonlinear heat diffusion problem for different pulse shapes was solved. The influence of pulse shape on the temperature distribution and its time evolution was studied. Nonisothermal and non-stationary deposition kinetic models using the obtained results were developed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 334: Symposium W – Gas-Phase and Surface Chemistry in Electronic Materials Processing , 1993 , 93
Copyright
Copyright © Materials Research Society 1994

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