Sputtered SiNxfilm for self‐aligned Si‐Zn diffusion into GaAs and AlGaAs
作者:
W. X. Zou,
R. Boudreau,
H. T. Han,
T. Bowen,
Song Stone Shi,
D. S. L. Mui,
J. L. Merz,
期刊:
Journal of Applied Physics
(AIP Available online 1995)
卷期:
Volume 77,
issue 12
页码: 6244-6246
ISSN:0021-8979
年代: 1995
DOI:10.1063/1.359155
出版商: AIP
数据来源: AIP
摘要:
A new technology for self‐aligned Si‐Zn diffusion into GaAs and AlGaAs is described. In this technology, closed‐tube Si diffusion is obtained from a sputtered SiNxfilm, and Zn diffusion self‐aligned to the Si diffusion window is obtained by reusing the SiNxfilm as the mask. The key to a successful self‐aligned Si‐Zn diffusion is that the SiNxfilm is controlled to have a proper refractive index profile. ©1995 American Institute of Physics.
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