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Featured researches published by Fumio Tatezono.


Japanese Journal of Applied Physics | 1993

Photochromic Rewritable Memory Media : A New Nondestructive Readout Method

Fumio Tatezono; Toshio Harada; Yoshiaki Shimizu; Meguru Ohara; Masahiro Irie

A new nondestructive readout method was proposed for photochromic rewritable memory media. When the medium has a thermal threshold in the writing process with a λ1 laser, reading using two lasers having emission lines at λ1 and λ2, which correspond to absorption bands of the two isomers, makes it possible to keep the signal intensity constant. Reading more than 106 times without destroying the memory was achieved by using photochromic diarylethene media.


Archive | 1990

Optical memory medium

Hiroshi Kitamura; Fumio Tatezono; Daisuke Kishimoto; Minoru Kume; Kotaro Matsuura


Japanese Journal of Applied Physics | 1994

Recording Sensitivity and Superlow-Power Readout of Photon-Mode Photochromic Memory

Tsuyoshi Tsujioka; Fumio Tatezono; Toshio Harada; Kazuhiko Kuroki; Masahiro Irie


Archive | 1993

Optical recording medium having a constant birefringent property and an alterable photochromic property

Tsuyoshi Tsujioka; Fumio Tatezono; Koutaro Matsuura; Masahiro Irie


Archive | 1995

Optical recording medium and reproducing method therefor

Tsuyoshi Tsujioka; Toshio Harada; Kazuhiko Kuroki; Fumio Tatezono


Archive | 1989

Optical head system with transparent contact member

Tsuyoshi Tsujioka; Shigeaki Yamamoto; Fumio Tatezono; Minoru Kume; Kotaro Matsuura


Archive | 1993

Optical recording material and optical recording medium employing the same

Fumio Tatezono; Toshio Harada; Masahiro Irie; Meguru Ohara


Archive | 1998

Method for fabricating a combined thin film magnetic head

Seiichirou Takahashi; Junichi Sano; Fumio Tatezono


Archive | 2005

Electric double layer capacitor and electrolyte battery

Fumio Tatezono; Seiji Omura; Kiyotaka Ito; Tsuyoshi Komatsu; Makoto Hashimoto


Archive | 2000

Process for producing thin film magnetic heads

Yoshiaki Shimizu; Fumio Tatezono; Naoto Matono; Takashi Ogura; Hiroyuki Okuda; Katsumi Umeda

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