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Selective epitaxial growth of silicon and some potential applications

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4 Author(s)
Ginsberg, B.J. ; IBM General Technology Division, East Fishkill facility, Route 52, Hopewell Junction, New York 12533, USA ; Burghartz, J. ; Bronner, G.B. ; Mader, S.R.

In the selective epitaxial growth (SEG) of silicon, growth occurs only on exposed silicon areas of a silicon substrate. Substrate regions on which silicon growth is not desired are masked by a dielectric film, typically silicon dioxide or silicon nitride. Use of the process permits the fabrication of novel silicon devices and integrated-circuit structures. In this paper, an overview is presented of our studies on the SEG process at the IBM Thomas J. Watson Research Center. Aspects covered are the kinetics of the process using a SiCl4 and H2 gaseous mixture, the associated suppression of deposition on silicon dioxide and silicon nitride, and some potential applications of the process to the fabrication of bipolar devices and dynamic random access memory (DRAM) cells.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:34 ,  Issue: 6 )