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Yusuke Niori, Kazuhiro Nobori, Ryusuke Ushikoshi, Koichi Umemoto: Wafer heating apparatus and with ceramic substrate and dielectric layer having electrostatic chucking means. NGK Insulators, Parkhurst Wendel & Rossi, January 18, 1994: US05280156 (194 worldwide citation)

A wafer heating apparatus can be obtained which prevents formation of a local gap caused by deflection or distortion, and the like, of a wafer at the time of heating the wafer so as to improve production yield of the heat treatment of the wafers. The apparatus includes a ceramic substrate, a heat ge ...


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Takao Soma, Ryusuke Ushikoshi, Kazuhiro Nobori: Wafer heaters for use in semiconductor-producing apparatus and heating units using such wafer heaters. NGK Insulators, Parkhurst Wendel & Rossi, July 27, 1993: US05231690 (158 worldwide citation)

A wafer heater for use in a semiconductor producing apparatus or the like. The heater includes a discoidal substrate made of a dense ceramic, and a resistance heating element buried in the substrate. The surface of the substrate other than that surface upon which a wafer is to be placed for heating ...


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Shinsuke Yano, Hirofumi Yamaguchi, Takami Hirai: Distributed constant circuit board using ceramic substrate material. NGK Insulators, Parkhurst Wendel & Rossi, August 3, 1993: US05232765 (138 worldwide citation)

A distributed constant circuit board including a ceramic substrate, and at least one conductor pattern which is carried by the ceramic substrate and which forms a resonance circuit, an inductor, a capacitor or strip transmission line. The conductor pattern has an electrically conductive composition ...


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Kato Nobuhide, Nakagaki Kunihiko: Method of measuring a gas component and sensing device for measuring the gas component.. NGK Insulators, October 25, 1995: EP0678740-A1 (137 worldwide citation)

A method and a sensing device of measuring a concentration of a gas component of a measurement gas, which method includes the steps of: introducing the measurement gas containing the gas component, from an external measurement-gas space into a first internal space (6), under a diffusion resistance; ...


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Yasuhiko Mizutani, Takami Hirai, Kazuhiro Kadota, Takanobu Saka, Hironobu Kimura: Stacked dielectric filter. NGK Insulators, Burr & Brown, December 7, 2004: US06828881 (137 worldwide citation)

A stacked dielectric filter includes a filter section which has first and second input side resonant electrodes and first and second output side resonant electrodes of two ΒΌ wavelength resonators, a converting section which has a plurality of strip lines, and a connecting section which connects the ...


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Mizutani Yasuhiko, Hirai Takami, Kadota Kazuhiro, Saka Hironobu, Kimura Hironobu: Laminated type dielectric filter. NGK Insulators, Soshin Electric, March 20, 2003: JP2003-087008 (130 worldwide citation)

PROBLEM TO BE SOLVED: To effectively miniaturize a laminated type dielectric filter whereas realizing balanced inputs/outputs, with considering the connection of high-frequency amplifier circuits, etc.SOLUTION: The filter is composed of filter parts 20, having first and second input resonance electr ...


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Yukihisa Takeuchi, Hideo Masumori, Nobuo Takahashi: Piezoelectric/electrostrictive actuator having integral ceramic base member and film-type piezoelectric/electrostrictive element (S). NGK Insulators, Seiko Epson Corporation, Parkhurst Wendel & Rossi, December 12, 1995: US05475279 (129 worldwide citation)

A piezoelectric/electrostrictive actuator including a ceramic base member having a pressure chamber or chambers, and a piezoelectric/electrostrictive element or elements is disclosed. The base member includes a spacer plate having at least one window which provides the pressure chamber(s), and which ...


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Mizuno Kazuyuki, Hirai Takami, Mizutani Yasuhiko, Arai Hiroyuki: Antenna system and its manufacture. NGK Insulators, Arai Hiroyuki, October 13, 2000: JP2000-286634 (128 worldwide citation)

PROBLEM TO BE SOLVED: To make the effect which is obtained when a filter and an antenna are integrated compatible with such an effect that the inspections through the filter can be performed easily. SOLUTION: An antenna system is constituted by integrally forming a filter section 18 having an input ...


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Yukihisa Takeuchi, Tsutomu Nanataki, Iwao Ohwada, Takayoshi Akao: Method and apparatus for driving device and display. NGK Insulators, Burr & Brown, February 10, 2004: US06690344 (120 worldwide citation)

A display driving device drives a display which includes a plurality of actuators which control light emitted from specified parts of an optical wave guide plate. A first drive circuit controls the row electrodes, while a second drive circuit controls the column electrodes by outputting a data signa ...