Nippon Electric Glass Co., Ltd.

Yoshihisa Takayama

Takahiro Matano

Shingo Nakane

Masaru Iwao

Tamio Ando

Yoshinori Yamazaki

Hikaru Ikeda

Provided is a glass that is used in a phosphor-containing wavelength conversion material and from which can be produced a wavelength conversion member less degraded in characteristics of a phosphor owing to firing during production of the wavelength conversion member and having excellent weather resistance. The glass is for use in a wavelength conversion material and contains, in terms of % by mass, 30 to 75% SiO, 1 to 30% BO, over 4 to 20% AlO, 0.1 to 10% LiO, 0 to below 9% NaO+KO, and 0 to 10% MgO+CaO+SrO+BaO+ZnO.

Glass for use in wavelength conversion material, wavelength conversion material, wavelength conversion member, and light-emitting device

Provided is a glass for radiation detection having high fluorescence detection sensitivity and high weather resistance. A glass for radiation detection, comprising, in mol %, 0.1 to 30% of SiO+BO, 0 to 20% of SiO, 0 to 10% of BO, 40 to 70% of PO, 10 to 30% of AlO, 10 to 30% of NaO, and 0.01 to 2% of AgO.

Glass for radiation detection

Provided is a crystallizable glass composition which exhibits a high coefficient of thermal expansion after undergoing thermal treatment, has excellent fluidity during the thermal treatment, and is less likely to deteriorate the hermeticity and adhesiveness at bonded portions and volatilize glass components even when exposed to high temperatures for a long period after the thermal treatment. A crystallizable glass composition capable of precipitating MgO-based crystals as main crystals by thermal treatment, the crystallizable glass composition containing, in terms of % by mole in glass component composition, 0.1 to 30% LaO+NbO+YO+TaO+YbO.

Crystalline glass composition and adhesive material using same

A crystallizable glass composition containing, in % by mole in glass component composition, 40 to 70% SiO, 5 to 35% MgO, 5 to 35% BaO, 5 to 35% ZnO, 0 to 20% CaO, 0 to 20% SrO, 0 to 5% BO, 0 to 2% AlO, and 0 to 30% LaO+YO+GdO+NbO+TaO. Provided is a crystallizable glass composition which has fluidity suitable for bonding, has a high coefficient of thermal expansion after undergoing thermal treatment, is less likely to degrade the power generation property of the fuel cell owing to evaporation of glass components even when exposed to high temperatures for a long period, and has excellent thermal resistance after bonding.

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Otsu, Japan

Yoshihisa Takayama