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Dive into the research topics where Ryozo Hiraga is active.

Publication


Featured researches published by Ryozo Hiraga.


Archive | 1986

Wafer handling apparatus and method

Mitsuya Sato; Shunzo Imai; Ryozo Hiraga


Archive | 1978

Alignment apparatus for mask and wafer used in manufacturing semiconductor circuit elements

Akiyoshi Suzuki; Ryozo Hiraga; Ichiro Kano; Hideki Yoshinari; Masao Totsuka; Yuzo Kato; Yasuo Ogino


Archive | 1979

Photo-electrical detecting apparatus

Akiyoshi Suzki; Ichiro Kano; Hideki Yoshinari; Masao Tozuka; Ryozo Hiraga; Yuzo Kato; Yasuo Ogino


Archive | 1978

Photoelectric detecting apparatus

Akiyoshi Suzki; Ichiro Kano; Hideki Yoshinari; Masao Tozuka; Ryozo Hiraga; Yuzo Kato; Yasuo Ogino


Archive | 1982

Apparatus for processing a signal for aligning

Yasuyoshi Yamada; Ryozo Hiraga


Archive | 1974

Logic level test probe with grated oscillator

Shin Tsuda; Ryozo Hiraga


Archive | 1982

System for detecting a signal for aligning two bodies and signal _processing method

Yoichi Kuroki; Yukihiro Yoshinari; Ryozo Hiraga


Archive | 1982

Device for and method of aligning two bodies

Yoichi Kuroki; Yukihiro Yoshinari; Ryozo Hiraga


Archive | 1987

Wafer position detecting method and apparatus

Ryozo Hiraga; Hiroshi Echizen


Archive | 1982

Alignment mark detecting apparatus and method

Yoichi Kuroki; Yukihiro Yoshinari; Ryozo Hiraga

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