Asahi Glass Company, Limited

Agc Inc.

Honda Giken Kogyo Kabushiki Kaisha

Tsubota Laboratory, Inc.

Akio Koike

Yasutomi Iwahashi

Manabu Nishizawa

Shinya Kikugawa

Hirofumi Tokunaga

Tomoyuki Tsujimura

Qing Li

Tomonori Ogawa

Kenji Imakita

Eriko Maeda

Kunio Watanabe

Tetsuya Nakashima

Suguru Murayama

Yasumasa Nakao

Masaya Kunigita

Chikaya Tamitsuji

Junko Miyasaka

Takahiro Mitsumori

Yusuke Arai

Kazutaka Ono

Isao Saito

Kensuke Nagai

Kazuo Tsubota

Hiroyuki Hijiya

Motoshi Ono

Yuya Shimada

Yutaka Kuroiwa

Masamichi Tanida

Junichiro Kase

Shigeki Sawamura

Toshihide Kurihara

Yasuyuki Takimoto

Kazuki Kanehara

Tamotsu Okamoto

Yuko Tachibana

Mitsuhiro Kawata

Ken Ebihara

Hidemasa Torii

Kenta Saito

Yusuke Saito

Long Shao

Masato Nakano

Hitomi Furuta

Makoto Katsuta

Masahiro Kawagishi

Kenta Saitou

Fumihito Takayama

Syusaku Akiba

Tadayuki Inaba

A glass sheet, containing, in mass % on an oxide basis: 45-70% of SiO, 1-15% of AlO, 10-25% of LiO, 0-10% of NaO, 0-5% of KO, and 0-15% of ZrO. KO/RO is 0.10 or less and ZrO/RO is 0.30 or more, where RO is a total content of LiO, NaO, and KO. The glass sheet has an average thermal expansion coefficient at 50° C.-350° C. of 90×10/° C.-140×10/° C. and a Young's modulus of 85 GPa or more.

Glass ceramics, chemically strengthened glass, and semiconductor substrate

The present invention provides crystallized glass of three-dimensional shape for easily producing chemically strengthened glass of three-dimensional shape that resists damage and has exceptional transparency. This crystallized glass of three-dimensional shape: contains crystals; has light transmittance in terms of a thickness of 0.8 mm of 80% or higher; and contains 45-74% SiO, 1-30% AlO, 1-25% LiO, 0-10% NaO, 0-5% KO, a total of 0-15% of SnOand/or ZrO, and 0-12% PO, these amounts expressing the oxide-based mass percentage.

Crystallized glass of three-dimensional shape, chemically strengthened glass of three-dimensional shape, and method for producing crystallized glass of three-dimensional shape and chemically strengthened glass of three-dimensional shape

The purpose of the present invention is to provide a glass for chemical strengthening that exhibits a high strength after chemical strengthening and is resistant to devitrification. The present invention relates to a glass for chemical strengthening that contains, expressed as mol % on an oxide basis, 55 to 70% SiO, 10 to 25% AlO, 1 to 20% LiO, 0 to 8% CaO, 0 to 8% SrO, and 0 to 5% ZrO, in which the sum of the contents of CaO and SrO is 1.5 to 10%, the sum of the contents of NaO and KO is 3 to 11%, and the value X given by the formula ([LiO]+[KO])/[AlO] is 0.1 to 1.1.

Glass for chemical strengthening

The purpose of the present invention is to provide a chemically strengthened glass having excellent transparency and strength and being scratch resistant. The present invention pertains to a chemically strengthened glass that: has a compressive stress layer on the surface thereof; has a visible light transmittance of at least 70% when the thickness thereof is converted to 0.8 mm; has a surface compressive stress of at least 600 MPa; has a compressive stress depth of at least 80 &#x3bc;m; and contains a &#x3b2;-spodumene.

Chemically strengthened glass and production method therefor

The present invention pertains to a glass for strengthening, that: has an average transmittance of at least 70% when converted to a thickness of 0.8 mm at a wavelength of 380-780 nm; has a haze value of no more than 0.7% when converted to a thickness of 0.8 mm in a C light source; has a Young's modulus of at least 85 GPa; has a fracture toughness value of at least 0.90 MPa&#xb7;m; a thermal conductivity at 20&#xb0; C. of at least 1.3 W/m&#xb7;K; and comprises a lithium aluminosilicate crystallized glass.

Glass for chemical strengthening, chemically strengthened glass, and electronic device case

A crystallized glass that: has a visible light transmittance of at least 85% when the thickness thereof is converted to 0.8 mm; has a haze value of no more than 1.0% when the thickness thereof is converted to 0.8 mm; contains, in terms of mass % on an oxide basis, 58%-70% SiO, 15%-30% AlO, 2%-10% LiO, 0%-5% NaO, 0%-2% KO, 0%-1.8% SrO, 0%-2% BaO, 0.5%-6% SnO, 0.5%-6% ZrO, and 0%-6% PO; has a total SrO and BaO content of 0.1%-3%; and has a total NaO and KO content of 1%-5%.

Crystallized glass and chemically strengthened glass

A glass ball has a density of 2.3 to 3.2 g/cm, a Young's modulus of 60 to 150 GPa, and an average coefficient of thermal expansion at 50 to 350&#xb0; C. being 40&#xd7;10to 120&#xd7;10/&#xb0; C. The glass ball is formed of a glass material including, as represented by mole percentage based on oxides, 30 to 75 mol % of SiO, 2 to 30 mol % of AlO, and 5 to 25 mol % of RO, where R is at least one kind selected from Li, Na and K. The glass ball includes a compressive stress layer in a surface thereof.

Glass ball having specific Young's modulus and coefficient of thermal expansion

A wavelength-selective transmissive glass has a light transmittance Tat a wavelength of more than 315 nm and 400 nm or less represented by the formula shown below of 1% or more in terms of a plate thickness of 6 mm and a light transmittance Tat a wavelength of 315 nm or less represented by the formula shown below of 60% or less in terms of a plate thickness of 6 mm. Ais a weighting factor at a wavelength k (nm) for calculating T (light transmittance) defined in ISO-9050:2003, and Tis a transmittance at the wavelength k (nm) in terms of a plate thickness of 6 mm:=(&#x3a3;)/(&#x3a3;)=(&#x3a3;)/(&#x3a3;).

Glass

The present invention relates to an alkali-free glass substrate, having a strain point of 680&#xb0; C. or higher, a Young's modulus of 78 GPa or greater, an UV transmittance at a wavelength of 300 nm of from 40% to 85% in terms of 0.5 mm thickness, an in-plane distribution of the UV transmittance at a wavelength of 300 nm in a G6-sized substrate of 1% or less in terms of 0.5 mm thickness, an average cooling rate around the glass transition point obtained according to a rate cooling method of 400&#xb0; C./min or lower, and an in-plane distribution of the average cooling rate of 40&#xb0; C./min or less.

Alkali-free glass substrate and method for producing same

A method of manufacturing a lithium ion conductive solid electrolyte includes (a) a step of preparing an object to be processed including a crystalline material, that includes alkali metal other than lithium and whose ionic conductivity at room temperature is greater than or equal to 1&#xd7;10S/cm; and (b) a step of performing an ion-exchange process on the object to be processed in molten salt including lithium ions.

Method of manufacturing lithium ion conductive solid electrolyte and lithium-ion secondary battery

The present invention relates to an alkali-free glass having a strain point of 725&#xb0; C. or higher, an average thermal expansion coefficient at from 50 to 300&#xb0; C. of from 30&#xd7;10to 40&#xd7;10/&#xb0; C., a temperature Tat which a glass viscosity is 10dPa&#xb7;s of 1,710&#xb0; C. or lower, and a temperature Tat which a glass viscosity is 10dPa&#xb7;s of 1,320&#xb0; C. or lower, the alkali-free glass including, in terms of mol % on the basis of oxides, SiO: 66 to 70, AlO: 12 to 15, BO: 0 to 1.5, MgO: more than 9.5 and 13 or less, CaO: 4 to 9, SrO: 0.5 to 4.5, BaO: 0 to 1, and ZrO: 0 to 2, in which MgO+CaO+SrO+BaO is from 17 to 21, MgO/(MgO+CaO+SrO+BaO) is 0.4 or more, MgO/(MgO+CaO) is 0.4 or more, MgO/(MgO+SrO) is 0.6 or more, and the alkali-free glass does not substantially contain an alkali metal oxide.

Alkali free glass and method for producing alkali free glass

The present invention relates to an alkali-free glass having a strain point of from 680 to 735&#xb0; C., an average thermal expansion coefficient at from 50 to 350&#xb0; C. of from 30&#xd7;10to 43&#xd7;10/&#xb0; C., and a specific gravity of 2.60 or less, and containing, indicated by mol % on the basis of oxides, SiO65 to 69%, AlO11.5 to 14%, BO3 to 6.5%, MgO 1 to 5%, CaO 7.5 to 12%, SrO 0 to 1%, BaO 0.5 to 6%, and ZrO0 to 2%.

Alkali-free glass and alkali-free glass plate using same

The present invention relates to a non-alkali glass having a strain point of from 710&#xb0; C. to lower than 725&#xb0; C., an average thermal expansion coefficient at from 50 to 300&#xb0; C. of from 30&#xd7;10to 43&#xd7;10/&#xb0; C., a temperature Tat which glass viscosity reaches 10dPa&#xb7;s of 1710&#xb0; C. or lower, a temperature Tat which the glass viscosity reaches 10dPa&#xb7;s of 1320&#xb0; C. or lower, and containing, indicated by mol % on the basis of oxides, SiO66 to 70, AlO12 to 14, BOexceeding 0 to 1.5, MgO exceeding 9.5 to 13 (or 5 to 9.5), CaO 4 to 9 (or 4 to 11), SrO 0.5 to 4.5, BaO 0 to 0.5 and ZrO 0 to 2.

Non-alkali glass and method for producing same

The present invention relates to a non-alkali glass substrate, having a strain point of 685&#xb0; C. or higher and 750&#xb0; C. or lower, an average thermal expansion coefficient at 50 to 350&#xb0; C. of from 35&#xd7;10to 43&#xd7;10/&#xb0; C., a specific gravity of from 2.50 to 2.80, a photoelastic constant of 25 nm/MPa/cm or more and less than 29 nm/MPa/cm, and a temperature (T) at which viscosity reaches 10dPa&#xb7;s of 1,250&#xb0; C. or higher and lower than 1,350&#xb0; C., and having a prescribed composition.

Non-alkali glass substrate

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Tokyo, Japan

Akio Koike