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Gifu, Japan

Nippon Sheet Glass Co., Ltd. is a Japanese glass manufacturing company. In 2006 it purchased Pilkington of the United Kingdom. This makes NSG/Pilkington one of the four largest glass companies in the world alongside with another Japanese company Asahi Glass, Saint-Gobain, and Guardian Industries.The company is listed on the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index. Wikipedia.


Patent
Nippon Sheet Glass Co. | Date: 2014-04-08

An infrared cut filter includes: a transparent dielectric substrate; an infrared reflecting layer formed on one surface of the transparent dielectric substrate and configured to reflect infrared light; and an infrared absorbing layer formed on the other surface of the transparent dielectric substrate and configured to absorb infrared light. The infrared absorbing layer is formed by encapsulating infrared absorbing pigment in a matrix containing silica, formed by a sol-gel method, as a main component.


Patent
Nippon Sheet Glass Co. | Date: 2014-04-08

The glass sheet of the present invention is a glass sheet with a thickness of 1.6 mm or less produced by a float process in which a molten glass material is formed into a sheet on a molten metal. When one surface of the glass sheet kept in contact with the molten metal during the formation of the molten glass material into the glass sheet is defined as a first surface and the other surface of the glass sheet opposite to the first surface is defined as a second surface, at least the first surface has a protective coating formed thereon by dealkalization, and the second surface has an etching rate of 2 nm/min or less when the second surface is etched using 0.1 mass % hydrofluoric acid at 50 C. as an etching liquid.


The present invention provides a carbon fiber cord having both high bending fatigue resistance and high adhesiveness. The disclosed carbon fiber cord is a carbon fiber cord for reinforcing a rubber product. This carbon fiber cord includes a carbon fiber, a first coating layer formed on the carbon fiber, and a second coating layer formed over the first coating layer. The first coating layer contains a phenolic resin and does not contain a rubber component. The second coating layer contains a rubber component. The mass ratio of the first coating layer to the total mass of the carbon fiber and the first coating layer is in a range of 0.5% to 10%.


Patent
Nippon Sheet Glass Co. | Date: 2014-04-09

A method of the present invention for producing glass sheets includes the steps of: (I) forming a molten glass raw material into a glass ribbon on a molten metal; and (II) bringing an acid gas that contains a fluorine element (F)-containing acid and in which a volume ratio of water vapor to the acid (a volume of the water vapor/a volume of the acid) is 0 or more and 30 or less, into contact with a surface of the glass ribbon on the molten metal so as to subject the surface of the glass ribbon to dealkalization and control a morphology of the surface in accordance with the volume ratio.


Provided is a glass composition containing, in mass %: 58 to 64% SiO

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