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Dive into the research topics where Keiji Fukuyama is active.

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Featured researches published by Keiji Fukuyama.


IEEE Transactions on Electron Devices | 1990

Investigation of Sc/sub 2/O/sub 3/ behavior in Sc/sub 2/O/sub 3/-dispersed oxide cathodes

Masato Saito; Ryo Suzuki; Keiji Fukuyama; Keiji Watanabe; K. Sano; H. Nakanishi

Sc/sub 2/O/sub 3/ behavior in oxide cathodes is investigated through the analyses of AES, XPS, and EPMA. It has been shown that Sc/sub 2/O/sub 3/ plays a significant role in maintaining higher surface concentration of Ba atoms. Thermochemical considerations have indicated possible reactions of Sc/sub 2/O/sub 3/ with interface compounds. It is concluded that Sc/sub 2/O/sub 3/ decomposes interface compounds and generates more Ba atoms in the vicinity of a base metal, and Sc/sub 2/O/sub 3/ inside of an electron emissive layer also has an effect on reducing surface Ba evaporation and maintaining higher electric conductivity. >


Archive | 1989

Cathode for electron tube

Keiji Watanabe; Keiji Fukuyama; Ishida Mitsubishi Denki K.K. Masako; Ryo Suzuki; Masato Saito


Archive | 1982

Electrode for discharge lamp

Keiji Watanabe; Masato Saito; Keiji Fukuyama


Archive | 1977

ELECTRODE OF DISCHARGE LAMP

Masato Saito; Keiji Watanabe; Keiji Fukuyama


Archive | 1994

Flat display apparatus with supplemental biasing

Ryo Suzuki; Masato Saito; Tetsuya Shiroishi; Takuya Ohira; Yoshiko Fujima; Keiji Fukuyama; Keiji Watanabe


Archive | 1986

Cathode for electron tube and manufacturing method thereof

Kinjiro Sano; Toyokazu Kamata; Keiji Fukuyama; Masato Saito; Keiji Watanabe


Archive | 1991

CATHODE IN A CATHODE RAY TUBE

Hisao Nakanishi; Kinjiro Sano; Toyokazu Kamata; Keiji Watanabe; Masato Saito; Ryo Suzuki; Keiji Fukuyama; Masako Ishida


Archive | 1989

Electrode for discharge light source

Toshiro Kajiwara; Goroku Kobayashi; Keiji Fukuyama; Ko Sano; Yojiro Yano; Keiji Watanabe


Archive | 1987

Hot cathode in wire form

Masato Saito; Keiji Fukuyama; Masako Ishida; Keiji Watanabe; Toyokazu Kamata; Kinjiro Sano; Hisao Nakanishi


Archive | 1996

Planar display apparatus having exposed insulated substrate portion

Masato Saito; Ryo Suzuki; Keiji Fukuyama; Takuya Ohira; Keiji Watanabe; Minoru Kobayashi; Susumu Hoshinouchi; Yoshinori Hatanaka

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