Development of High Growth Rate SiC Epi-Reactor with Controlled Thermal Gradient

Abstract:

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A vertical hot-wall type reactor, with a unique structure designed for controlling both gas flow behavior and thermal gradient (T/mm) on the susceptor surface, was developed. The simulation results indicate that depending on the height of the epitaxy room (h), the T/mm can be changed from a negative to a positive value. Preliminary epitaxial growth experiments resulted in a maximum growth rate of 51 μm/h, 4-inch area uniformity of σ/mean=1.7% for growth rate and σ/mean=21.5 % for doping concentration, and Z1/2 trap concentration of 9×1012 cm-3 at a growth rate of 43 μm/h.

Info:

Periodical:

Materials Science Forum (Volumes 556-557)

Edited by:

N. Wright, C.M. Johnson, K. Vassilevski, I. Nikitina and A. Horsfall

Pages:

81-84

DOI:

10.4028/www.scientific.net/MSF.556-557.81

Citation:

M. Ito et al., "Development of High Growth Rate SiC Epi-Reactor with Controlled Thermal Gradient", Materials Science Forum, Vols. 556-557, pp. 81-84, 2007

Online since:

September 2007

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Price:

$35.00

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