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Magnetron Reactive Ion Etching of GaAs: Plasma Chemical Aspects and Surface Damage Studies

Published online by Cambridge University Press:  21 February 2011

G. F. McLane ,
M. Meyyappan ,
M. Taysing-Lara ,
M. W. Cole ,
C. Wrenn ,
L Yerke  and
D. Eckart
G. F. McLane
Affiliation:
U. S. Army Electronic Technology and Devices Laboratory, Fort Monmouth, NJ
M. Meyyappan
Affiliation:
Scientific Research Associates, Inc., Glastonbury, CT 06033
M. Taysing-Lara
Affiliation:
U. S. Army Electronic Technology and Devices Laboratory, Fort Monmouth, NJ
M. W. Cole
Affiliation:
U. S. Army Electronic Technology and Devices Laboratory, Fort Monmouth, NJ
C. Wrenn
Affiliation:
Vitronics, Inc., Eatontown, NJ 07724
L Yerke
Affiliation:
U. S. Army Electronic Technology and Devices Laboratory, Fort Monmouth, NJ
D. Eckart
Affiliation:
U. S. Army Electronic Technology and Devices Laboratory, Fort Monmouth, NJ
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Abstract

Using a magnetic field to confine the plasma closer to the cathode has been shown to be advantageous in dry etching technology since this yields a high degree of ionization at low pressures. We report here the results of a study of magnetron reactive ion etching of GaAs using a freon discharge. Various characterization techniques have been employed to understand the etching process and identify the extent of surface damage. The results show that magnetron etching is capable of yielding high etch rates with low damage.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 190: Symposium M – Plasma Processing and Synthesis of Materials III , 1990 , 285
Copyright
Copyright © Materials Research Society 1991

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References

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