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Featured researches published by Dai Matsuoka.


Key Engineering Materials | 2009

The Effect of Reoxidation on Thermal Shock Resistance of SrTiO3-Based Varistors

Atsushi Hitomi; Naoki Chida; Minoru Ogasawara; Dai Matsuoka

The fabrication processes of SrTiO3-based varistors were investigated to obtain highly thermal-shock-resistant devices. It has been found that the reoxidation conditions are strongly related to the thermal cracking ratio (%) of the varistors. A large compressive stress was generated on the varistor surface by reoxidation, consequent upon the lattice parameter difference between its surface portion and its internal portion. This residual stress on the surface is thought to be the key factor of the achieved thermal-shock-resistance.


Archive | 1997

PTC thermistor material

Masuo Okada; Takahiro Sawaguchi; Masatada Yodogawa; Dai Matsuoka


Archive | 2006

Multilayer chip varistor

Dai Matsuoka; Katsunari Moriai; Takehiko Abe; Koichi Ishii


Archive | 1998

Laminated chip varistor and production method thereof

Masahiko Konno; Dai Matsuoka; Kaneo Mori; Tadashi Ogasawara; Masaaki Taniguchi


Archive | 2006

Surge absorption element and surge absorption circuit

Yuji Terada; Dai Matsuoka; Naoki Chida


Archive | 2000

Electron-emitting material and preparing process

Munemitsu Hamada; Akira Takeishi; Makoto Takahashi; Dai Matsuoka; Masatada Yodogawa; Hiraku Harada


Archive | 2008

Voltage non-linear resistance ceramic composition and voltage non-linear resistance element

Naoyoshi Yoshida; Hitoshi Tanaka; Dai Matsuoka


Archive | 2009

NONLINEAR RESISTOR CERAMIC COMPOSITION, ELECTRONIC COMPONENT, AND MULTILAYER CHIP VARISTOR

Dai Matsuoka


Archive | 2004

Chip shaped electronic device and a method of producing the same

Dai Matsuoka; Hidetaka Kitamura; Tadashi Ogasawara


Archive | 2011

ELECTROSTATIC PROTECTION DEVICE AND ELECTRONIC APPARATUS EQUIPPED THEREWITH

Yousuke Hoshikawa; Mikio Tsuruoka; Hiroyuki Sato; Goro Takeuchi; Dai Matsuoka

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