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Featured researches published by Tetsuo Tajima.


Optical Storage Technology and Applications | 1988

Optical Disc Substrate Using Photo-Curable Casting Resin

Ryouichi Sudou; Hiroaki Miwa; Tetsuo Tajima; Shinkichi Horigome; Norio Ohta; Eiji Koyama

The manufacture of high performance Φ 130 mm magneto-optical (MO) discs requires the substrates with low retardation, high heat resistance and low cost in the market. The molding methods for newly compounded photo-curable acrylic resin (PHC) were studied. Thus, the pre-grooved substrate using PHC resin has been developed for the MO disc, and is capable of fast molding by a simple machine. Carrier to noise ratio (C/N) characteristics and the reliability of the MO disc with the PHC substrate are almost equal to those of glass substrate.


Archive | 1985

Optical disc base plate having a primer layer formed of an ultraviolet-cured resin composition

Tetsuo Tajima; Hiroaki Miwa; Ryoichi Sudo


Archive | 1987

Method for producing optical disk base

Hiroaki Miwa; Tetsuo Tajima; Ryoichi Sudo


Archive | 1996

Optical disk producing apparatus

Hiroaki Miwa; Ryoichi Sudo; Tetsuo Tajima; Toshiaki Taii


Archive | 1999

High voltage transformer and ignition transformer using the same

Ryoichi Sudo; Tetsuo Tajima; Kazutoshi Kobayashi; Makoto Iida


Archive | 1985

Process for producing plastic information-recording medium and resin composition used therefor

Ryoichi Sudo; Hiroaki Miwa; Tetsuo Tajima; Takeshi Watanabe


Archive | 1992

Method of manufacturing an optical disc

Hiroaki Miwa; Ryoichi Sudo; Tetsuo Tajima; Eiji Koyama


Archive | 1986

Optical disc base plate and process for producing the same

Ryoichi Sudo; Hiroaki Miwa; Tetsuo Tajima


Archive | 1981

Method for producing flyback transformers

Makoto Kitoh; Tetsuo Tajima; Noboru Terunuma; Noboru Mitsugi; Akira Kageyama


Archive | 1999

Optical recording and reproduction apparatus

Hiroaki Miwa; Ryoichi Sudo; Tetsuo Tajima; Eiji Koyama

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