Ngk Insulators, Inc.

Nagoya Institute of Technology

Nagaoka University of Technology

Ngk Insulatores, Ltd.

Yuji Katsuda

Yosuke Sato

Yoshinori Isoda

Asumi Jindo

Katsuhiro Inoue

Morimichi Watanabe

Tsuneaki Ohashi

Yoshimasa Kobayashi

Kiyoshi Araki

Naomi Teratani

Noboru Nishimura

Toshihiro Yoshida

Masaaki Masuda

Toru Hayase

Jun Yoshikawa

Yukihisa Takeuchi

Atsushi Watanabe

Kyohei Atsuji

Asumi Nagai

Yohei Ono

Kei Tanaka

Sadanori Shimura

Nobuyuki Kondo

Tomonori Takahashi

Naohito Yamada

Yunie Izumi

Yukinobu Yura

Masahiro Kida

Masashi Goto

Satoshi Yamazaki

Kenichiro Aikawa

Yoshio Suzuki

Takashi Kataigi

Hiroya Sugimoto

Satoshi Ozaki

En Yagi

Miyuki Kojima

Taketoshi Tsutsumi

Shingo Amano

Yuki Nomoto

Akira Goto

Reona Miyazaki

Nobuhide Kato

Takao Murase

Hideyoshi Tsuruta

Shigenori Ito

Hirotake Yamada

Hiroaki Sakai

Yuki Bessho

Chikashi Ihara

Shuji Ueda

Kazuyuki Kaigawa

Takehiko Watanabe

Michio Takahashi

Naoyuki Ogawa

Yukimasa Mori

Tetsuya Hattori

Hiroyuki Iwasaki

Tadachika Nakayama

Koichi Niihara

Keita Miyanishi

Harunobu Onishi

Yoshiaki Nagasawa

Iwao Owada

Masashi Harada

Provided is a solid electrolyte which is identified as 3LiOH·LiSOby diffractometry. The solid electrolyte further contains boron.

Solid electrolyte and method for producing solid electrolyte

Provided is a solid electrolyte which contains a composition expressed by 3LiOH·LiSO. The solid electrolyte has a lithium ion conductivity of 0.1×10S/cm or more at 25° C. and an activation energy of 0.6 eV or more.

Solid electrolyte

The composite sintered body includes AlO, and MgAlO. The content of AlOin the composite sintered body is not less than 95.5% by weight. The average sintered grain size of AlOin the composite sintered body is not less than 2 μm and not greater than 4 μm. The standard deviation of sintered grain size distribution of AlOin the composite sintered body is not greater than 0.35. The bulk density of the composite sintered body is not less than 3.94 g/cmand not greater than 3.98 g/cm. In the composite sintered body, the ratio of amount of crystal phase of MgAlOto that of AlOis not less than 0.003 and not greater than 0.01.

Composite sintered body, semiconductor manufacturing apparatus member, and method of manufacturing composite sintered body

Provided is an all-solid lithium battery including: a low-angle oriented positive electrode plate that is a lithium complex oxide sintered plate having a porosity of 10 to 50%; a negative electrode plate containing Ti and capable of intercalating and deintercalating lithium ions at 0.4 V or higher (vs. Li/Li); and a solid electrolyte having a melting point lower than the melting point or pyrolytic temperature of the oriented positive electrode plate or the negative electrode plate, wherein at least 30% of pores in the oriented positive electrode plate is filled with the solid electrolyte in an observation of a cross-section perpendicular to a main face of the oriented positive electrode plate.

All-solid lithium battery and method of manufacturing same

A method of manufacturing a composite sintered body includes a step (Step S) of molding mixed powder in which AlO, SiC, and MgO are mixed, into a green body having a predetermined shape and a step (Step S) of generating a composite sintered body by sintering the green body. Then, in Step S, the ratio of SiC to the mixed powder is not lower than 4.0 weight percentage and not higher than 13.0 weight percentage. Further, the purity of AlOin Step Sis not lower than 99.9%. It is thereby possible to suppress the abnormal grain growth of AlOand suitably manufacture a composite sintered body having high relative dielectric constant and withstand voltage, and low tan &#x3b4;.

Provided is a secondary battery including: a positive electrode plate composed of an inorganic material containing a positive electrode active material in an oxide form and having a thickness of 25 &#x3bc;m or more; a negative electrode plate composed of an inorganic material containing a negative electrode active material in an oxide form and having a thickness of 25 &#x3bc;m or more; and an inorganic solid electrolyte, the secondary battery being charged and discharged at a temperature of 100&#xb0; C. or higher.

Secondary battery

There is provided an all-solid-state lithium battery including: a positive-electrode plate composed of a lithium complex oxide sintered body having a layered rock-salt structure; a solid electrolyte layer composed of a lithium-ion-conductive antiperovskite material; a negative-electrode plate containing Ti and permitting intercalation and deintercalation of lithium ions at 0.4 (vs. Li/Li) V or more; a positive-electrode current collecting layer provided on a face, remote from the solid electrolyte layer, of the positive-electrode plate; a negative-electrode current collecting layer provided on a face, remote from the solid electrolyte layer, of the negative-electrode plate; a positive-electrode covering metal membrane provided at an interface between the positive-electrode plate and the solid electrolyte layer; and a negative-electrode covering metal membrane provided at an interface between the negative-electrode plate and the solid electrolyte layer.

All-solid-state lithium battery and method for manufacturing same

A sintered compact includes an alumina phase as a primary phase, and further includes an amorphous phase containing Si and Mn and a cordierite phase. The sintered compact has a porosity of higher than or equal to 1.1% and less than or equal to 5.0%. Preferably, I1/(I1+I2) is greater than or equal to 0.20 and less than or equal to 0.45, where I1 is the strength of the main peak of cordierite obtained by an XRD method, and I2 is the strength of the main peak of alumina.

Sintered compact, circuit component, and method of producing sintered compact

The composite sintered body includes AlN and MgAlO. The open porosity of the composite sintered body is lower than 0.1%. The relative density of the composite sintered body is not lower than 99.5%. The total percentage of the AlN and the MgAlOcontained in the composite sintered body is not lower than 95 weight percentage and not higher than 100 weight percentage. The percentage of the MgAlOcontained in the composite sintered body is not lower than 15 weight percentage and not higher than 70 weight percentage. It is thereby possible to provide a high-density composite sintered body having high plasma corrosion resistance, high volume resistivity, and high thermal conductivity.

A cordierite-based sintered body according to the present invention contains cordierite as a main component and silicon nitride or silicon carbide. The cordierite-based sintered body preferably has a thermal expansion coefficient less than 2.4 ppm/&#xb0; C. at 40&#xb0; C. to 400&#xb0; C., an open porosity of 0.5% or less, and an average grain size of 1 &#x3bc;m or less.

Cordierite-based sintered body, method for producing the same, and composite substrate

A MgO-based ceramic film according to the present invention contains crystalline phases of MgO and MgAlO, and Al is dissolved in the MgO to form a solid-solution. The ceramic film exhibits a diffraction peak representing the (200) plane of MgO at an angle&#x3b8; of more than 42.92&#xb0; in CuK&#x3b1; XRD measurement. A shoulder preferably appears on the higher angle side of the peak representing the (200) plane of MgO. The mass ratio MgO/AlOof MgO to AlOconverted from Mg and Al in terms of oxides is preferably higher than 2.33.

MgO-based ceramic film, member for semiconductor manufacturing apparatus, and method for forming MgO-based ceramic film

The ceramic structureincludes a discoid ceramic baseand an electrodeburied in the ceramic base. The ceramic baseis a sintered body composed principally of alumina or a rare-earth metal oxide and has a thermal expansion coefficient of 7.5 to 9.5 ppm/K over the range of 40&#xb0; C. to 1200&#xb0; C. The electrodeis composed principally of metal ruthenium. The electrodemay be formed in the shape of a sheet. Alternatively, the electrodemay be patterned in the manner of a one-stroke sketch so as to extend over the entire cross section of the ceramic base

Ceramic structure, member for substrate-holding apparatus, and method for producing the ceramic structure

A composite substrate includes a supporting substrate and a functional substrate that are directly joined together, the supporting substrate being a sintered sialon body.

Composite substrate, method for producing the same, and electronic device

A solid electrolyte is constituted by lithium phosphorus oxynitride (LiPON). A multiplication value obtained by multiplying a ratio of a peak intensity of nitrogen atoms having a single bond with one P atom and having a double bond with another P atom to a peak intensity of an Nstate in a Raman spectroscopy spectrum by a ratio of a content amount of N atoms to a content amount of P atoms is greater than or equal to 0.40.

Solid electrolyte, all-solid-state lithium-ion secondary battery, production method for solid electrolyte

A ceramic structureincludes a heater electrodewithin a disk-shaped AlN ceramic substrate. The heater electrodecontains a metal filler in the main component WC. The metal filler (such as Ru or RuAl) has a lower resistivity and a higher thermal expansion coefficient than AlN. An absolute value of a difference |&#x394;CTE| between a thermal expansion coefficient of the AlN ceramic substrateand a thermal expansion coefficient of the heater electrodeat a temperature in the range of 40&#xb0; C. to 1000&#xb0; C. is 0.35 ppm/&#xb0; C. or less.

Ceramic structure, method for manufacturing the same, and member for semiconductor manufacturing apparatus

Growing community of inventors

Tsushima, Japan

Yuji Katsuda