Asahi Glass Company, Limited

Agc Inc.

Tsubota Laboratory, Inc.

Masamichi Tanida

Seigo Ohta

Naoya Wada

Tsuneo Manabe

Yumiko Aoki

Kazuo Watanabe

Manabu Nishizawa

Akio Koike

Tetsuya Nakashima

Nobuhiro Nakamura

Kenji Imakita

Hitoshi Onoda

Kensuke Nagai

Kazuo Tsubota

Hiroyuki Hijiya

Yutaka Kuroiwa

Qing Li

Yu Hanawa

Toshihide Kurihara

Satoshi Fujimine

Hidemasa Torii

Kazuhiko Yamanaka

Yuki Yokoyama

Akihiro Hishinuma

Shinji Honda

Hideki Numakura

Tomoyuki Fukahori

Siro Ootaki

Nanae Ishioka

The present invention pertains to a glass characterized by: containing 72-82% of Li, 0-21% of Si, and 0-28% of Bin terms of cation %; and containing at least 70% and less than 100% of Oand more than 0% and at most 30% of Cl, containing at least 94% and less than 100% of Oand more than 0% and at most 6% of S, or containing at least 64% and less than 100% of O, more than 0% and at most 30% of Cl, and more than 0% and at most 6% of S, in terms of anion %.

Glass

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;).

A sintered formed body containing a glass in which undesired coloring in a blackish color, incomplete sintering, a lack of strength, and formation of bubbles are suppressed, and an article provided with the same are provided. Provided are a sintered formed body and an article provided with the same, the sintered formed body consisting of a sintered body containing a glass, and having a thick part with a thickness of 60 &#x3bc;m or more, in which a carbon content from a position of a surface of the thick part to a position at a depth of at least 30 &#x3bc;m from the surface of the thick part is 0.7 to 15 mass ppm.

Sintered formed body and manufacturing method thereof, article having sintered formed body, sintered formed body material, and pre-sintering formed body and manufacturing method thereof

A glass ceramic substrate includes: an inner layer part having a first thermal expansion coefficient; and a surface layer part having a second thermal expansion coefficient smaller than the first thermal expansion coefficient. The inner layer part contains a first glass matrix and flat alumina particles. The flat alumina particles are dispersed in the glass matrix in a direction in which individual thickness directions are substantially perpendicular to a surface direction of one of main surfaces of the inner layer part. Further, a mean aspect ratio of the flat alumina particles is 3 or more in one of cross sections along the thickness directions of the flat alumina particles out of cross sections of the inner layer part.

Glass ceramic substrate and portable electronic device housing using the substrate

A laminated substrate for an organic LED element includes a translucent substrate, a scattering layer including glass and a solid scattering material provided on the translucent substrate and having a thickness of 30 &#x3bc;m or less, and an electrode provided on the scattering layer, and no covering layer including glass is provided between the scattering layer and the electrode.

Laminated substrate for organic LED element, and organic LED element

To provide a glass ceramic body, whereby light which transmits through the substrate and leaks (i.e. emits) out of the incident direction is reduced, and the number of voids at the surface of the substrate and in the inside of the substrate is low, A glass ceramic bodycomprising a glass matrixand flat fillersdispersed therein, wherein the flat fillersare dispersed in the glass matrixso that their individual thickness directions would be substantially in the same direction; and in a cross-section along the thickness direction of the flat fillerin the glass matrix, the occupation area of the flat fillershaving a length in their flat direction of from 0.5 to 20 &#x3bc;m and a length in their thickness direction of from 0.02 to 0.25 &#x3bc;m per unit area of the cross-section is from 30 to 48%.

Glass ceramic body, substrate for mounting light emitting element, and light emitting device

To provide a glass ceramic body wherein the deterioration of the reflectance due to black coloration is suppressed, and the unevenness of the firing shrinkage is suppressed. A glass ceramic body comprising a glass matrix and alumina particles dispersed therein, wherein the glass matrix is not crystallized, a ceramic part composed of the dispersed alumina particles has an &#x3b1;-alumina crystal structure and a crystal structure other than the &#x3b1;-alumina crystal structure.

Glass ceramic body, substrate for mounting light-emitting element, and light emitting device

A glass composition and a light extracting member using the same is provided, where the glass composition does not substantially contain a lead oxide and an alkali metal oxide and has a glass transition temperature of 530&#xb0; C. or less and acid resistance property. An alkali-free cover glass composition is also provided which does not substantially contain a lead oxide and an alkali metal oxide; has a refractive index (n) of 1.7 to 2.3; has a glass transition temperature of 530&#xb0; C. or less; has a dissolution depth of less than 1.3 &#x3bc;m as measured by an acid dipping weight loss measurement method; and contains 8 to 25% of NbOin terms of mol % on the basis of an oxide thereof.

Alkali-free cover glass composition, and light extracting member using same

To provide a reflective frame for a light-emitting element, which can be preferably used for a light-emitting device having a metal member on which a light-emitting element is mounted, whereby the light extraction efficiency, the reliability and the productivity, etc. can be improved. A reflective frame for a light-emitting element, which is made of a sintered body comprising a glass material and a ceramic powder; and the sintered body is one fired at at most 900&#xb0; C. and has a porosity of at most 15% and an average reflectance at a wave length of from 400 to 700 nm being at least 86% when the thickness is 1 mm.

Reflective frame for light-emitting element, substrate for light-emitting element and light-emitting device

A substrate for mounting a light-emitting element, containing a substrate main body having a mounting surface on which a light-emitting element is to be mounted, a reflection layer formed on a part of the mounting surface of the substrate main body and containing silver to reflect light emitted from the light-emitting element, and a vitreous insulating layer formed on the reflection layer, wherein the vitreous insulating layer contains a glass containing SiO, at least one of AlOand BO, and at least one member selected from LiO, NaO and KO, wherein (LiO+NaO+KO)&#x2014;AlOis from &#x2212;20 to 1.5% and Si0+3&#xd7;AlOis at most 90% calculated using the mol % of each of said SiO, AlOBO, LiO, NaO and KO in said glass.

Substrate for mounting light-emitting element and light-emitting device

To provide a glass containing little BO, whereby when its powder is fired, its thermal expansion curve does not have an inflection point, a non-lead glass is provided containing, as represented by mol % based on the following oxides, from 35 to 41.5% of SiO, from 8 to 25% of MgO, more than 27 to 35% of CaO, from 0 to 2% of SrO, from 0 to 4% of BaO, from 5 to 15% of ZnO and from 4.5 to 10% of AlO, wherein the total content of these components is at least 97%, and when SrO and BaO are contained, the total content of SrO and BaO is at most 2%; as well as a non-lead glass containing, as represented by mol % based on the following oxides, from 39.5 to 41.5% of SiO, from 10 to less than 13% of MgO, from 18 to 22% of CaO, more than 12 to 15% of SrO, from 0 to 1% of BaO, from 6 to 11% of ZnO and from 4.5 to 7% of AlO, wherein the total content of these components is at least 97%.

Non-lead glass

Glass for covering electrodes, which consists essentially of, as represented by mol % based on the following oxides, from 25 to 60% of BO, from 0 to 18% of SiO, from 0 to 60% of ZnO, from 0 to 18% of BaO, from 3 to 15% of BiOand from 0 to 10% of AlO, and contains no PbO.

Glass for covering electrodes and plasma display panel

A low melting point glass for covering electrodes, consisting, as represented by mass percentage based on the following oxides, essentially of:

Low melting point glass for covering electrodes, and glass ceramic composition for covering electrodes

A substrate for a plasma display panel, having electrodes and a covering material for the electrodes, provided thereon, wherein the covering material is a non-crystallizable glass having a softening point of at most 510.degree. C. and an average thermal expansion coefficient of from 70.times.10.sup.-7 to 85.times.10.sup.-7 /.degree.C. within a range of from 50 to 350.degree. C.

Growing community of inventors

Tokyo, Japan

Masamichi Tanida