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Featured researches published by Shuichi Komatsu.


Japanese Journal of Applied Physics | 1981

Interface Structure of P-Type GaP/Au/Au-Zn

Shuichi Komatsu; Masako Nakahashi; Yoshiyasu Koike

Studies on the microstructure of the GaP/Au/Au-Zn system were carried out with an electron microscope and X-ray energy spectrometer. It was shown that an AuGa layer was formed at the interface between GaP and the Au/Au-Zn layer, and that the AuGa reaction layer contained Zn atoms. It is considered that the AuGa layer may contribute to the mechanical strength of the deposit layer for wire bonding and reliable ohmic contact for a P-type GaP. The Au underlayer seems to promote the formation of the AuGa layer, which starts forming at 490°C.


Archive | 1982

Method of joining ni-base heat-resisting alloys

Shuichi Komatsu; Kazumi Shimotori; Hiromitsu Takeda; Masako Nakahashi


Archive | 1980

Method of determining the deterioration of heat-resistant ferritic steel parts

Shuichi Komatsu; Shinichi Nakamura; Kazumi Shimotori; Yoshio Nakayama


Archive | 1980

Method of estimating the residual life of heat resistant parts made of 12% Cr steele

Shuichi Komatsu; Masako Nakahashi; Hiromitsu Takeda; Masayuki Yamada


Journal of The Japan Institute of Metals | 1979

Mo 2 C-V 4 C 3 Carbides Precipitated in 1Cr-1Mo-1/4V Steel

Shuichi Komatsu; Shinichi Nakamura; Masako Nakahashi


Archive | 1982

Verfahren zum Verbinden von warmfesten Legierungen auf Nickel-Basis

Shuichi Komatsu; Kazumi Shimotori; Hiromitsu Takeda; Masako Nakahashi


Journal of The Japan Institute of Metals | 1981

Change of the Carbide Composition in 12Cr-Mo-V-W Steel during Tempering

Masako Nakahashi; Shinichi Nakamura; Shuichi Komatsu; Hiroshi Yoshida


Archive | 1980

Verfahren zur bestimmung des alterungsgrades von teilen aus 12%-chrom- stahl

Shuichi Komatsu; Masako Nakahashi; Hiromitsu Takeda; Masayuki Yamada


Archive | 1980

A method for determining the degree of aging of parts from 12% -CHROM- steel

Shuichi Komatsu; Masako Nakahashi; Hiromitsu Takeda; Masayuki Yamada


Archive | 1980

Verfahren zur alterungsbestimmung von stahlteilen Method for determination of aging steel Share

Shuichi Komatsu; Kazumi Shimotori; Shinichi Nakamura; Yoshio Nakayama

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