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Glass panel

A glass panel, flat glass technology, applied in parallel glass structure, glass/slag layered products, improvement of windows/doors, etc., can solve the problem of high emissivity of glass, achieve the effect of suppressing emission and improving thermal insulation effect

Inactive Publication Date: 2006-02-08
NIPPON SHEET GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, with such conventional glass panels, usually, due to the high emissivity of the glass, for example, when the above-mentioned glass panels are used as windowpanes of general buildings, the heat in the indoor space will be transmitted to the third party in the form of ultraviolet rays in winter. It is obviously inappropriate to radiate into the outdoor space between pieces of glass

Method used

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Embodiment

[0061] The low emissivity film layer M of the present invention is that the above-mentioned tin tetrachloride (SnCl 4 ) or dimethyltin dichloride ((CH 3 ) 2 SnCl 2 ), or methyltin trichloride (CH 3 SnCl 3 ), trichlorobutyltin (C 4 h 9 SnCl 3 ) and other tin organic compounds become vapor or mist and are sprayed onto the heated flat glass G mentioned above to obtain. When spraying, if hydrogen fluoride (HF), trifluoroacetic acid (CF) can be properly mixed 3 COOH), polytetrafluoroethylene gas and other fluorine compounds can obtain higher infrared reflection function. The film thickness is preferably about 0.2 to 1.0 μm (2000 to 10000 angstroms), and thus, the emissivity of the obtained plate glass G is about 0.20 to 0.15.

[0062] In addition, the low emissivity film layer M can also be obtained by sputtering. In this case, for example, an oxide film such as tin oxide or zinc oxide is formed as a first layer on the surface of plate glass G, and then silver and the sam...

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Abstract

In a glass panel includes at least three glass sheets for forming an air layer (K) and a vacuum layer (S) side by side and for partitioning between outdoor space and indoor space, at least either an outdoor-side glass sheet contacting the outdoor space or an indoor-side glass sheet contacting the indoor space of the glass sheets (G) contacts the vacuum layer (S) and includes a low-emittance film layer (M) formed on a face thereof contacting the vacuum layer (S).

Description

technical field [0001] The invention relates to a glass panel, which is composed of at least three pieces of flat glass which are arranged side by side with an air layer and a vacuum layer, and which separate the outdoor space from the indoor space. Background technique [0002] In the past, as such a glass panel, the structure adopted is composed of, for example, three pieces of flat glass, a vacuum layer is formed between the flat glass in the middle and the flat glass on one side, and a vacuum layer is formed between the flat glass in the middle and the flat glass on the other side. An air layer is formed between them, which has a low overall heat transfer coefficient. [0003] In the above-mentioned conventional glass panel, it is possible to obtain a glass panel in which the overall heat transfer coefficient is reduced by the action of the air layer and the vacuum layer, and the thermal insulation performance is improved. [0004] However, with such conventional glass ...

Claims

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Application Information

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IPC IPC(8): E06B3/66E06B3/663B32B17/10C03C27/06E06B3/67
CPCY10T428/31678E06B3/66E06B3/6715E06B3/6612E06B3/66304B32B17/10055Y02B80/24Y02A30/249Y02B80/22
Inventor 御园生雅郎加藤英美
Owner NIPPON SHEET GLASS CO LTD
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