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Surface hardening of SUS304 by irradiation with a KrF excimer laser in SiH4 gas ambient

Published online by Cambridge University Press:  31 January 2011

Koji Sugioka ,
Hideo Tashiro ,
Koichi Toyoda ,
Eiichi Tamura  and
Keigo Nagasaka
Koji Sugioka
Affiliation:
Riken, The Institute of Physical and Chemical Research, Wako, Saitama, 351-01, Japan
Hideo Tashiro
Affiliation:
Riken, The Institute of Physical and Chemical Research, Wako, Saitama, 351-01, Japan
Koichi Toyoda
Affiliation:
Riken, The Institute of Physical and Chemical Research, Wako, Saitama, 351-01, Japan
Eiichi Tamura
Affiliation:
Department of Physics, Science University of Tokyo, Kagurazaka, Shinjuku, Tokyo, 162, Japan
Keigo Nagasaka
Affiliation:
Department of Physics, Science University of Tokyo, Kagurazaka, Shinjuku, Tokyo, 162, Japan
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Abstract

Surface hardening of SUS304 resulting from the process of doping and deposition of Si by irradiation of a KrF excimer laser beam in a SiH4 gas ambient is investigated, and variations of the surface hardness are examined for different numbers of laser pulses and the laser fluences. The hardening is due to Si incorporation in high concentration. The continuous distribution of Si atoms across the surface layer suggests that a very high adhesion strength of the deposited Si films can be formed. The specific process for surface modification is referred to as laser implant-deposition (LID).

Type
Articles
Information
Journal of Materials Research , Volume 5 , Issue 2 , February 1990 , pp. 265 - 270
Copyright
Copyright © Materials Research Society 1990

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References

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