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Toughened low-radiation coated glass with double-silver composite structure and technique thereof

A low-emission coating and composite structure technology, applied in the field of low-emission coated glass, can solve the problems of speckles and low-emission performance reduction of coated glass, and achieve the effect of good appearance and photothermal performance.

Inactive Publication Date: 2009-09-16
SHANGHAI YAOHUA PILKINGTON GLASS GROUP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The infiltration of sodium ions, the condensation of silver particles and the oxidation of the silver layer will cause spots and fogging on the coated glass, which will reduce the low-radiation performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] The coating thickness and coating process of each film layer of the present invention are as described above.

[0044] The specific production configuration is as follows:

[0045] The flat glass double-end continuous coating machine used in the present invention includes 11 AC cathodes and 10 DC cathodes, adopts the process parameters listed in the following table, uses 8 AC round targets, and 4 DC single targets, with a total of 12 target positions Carry out production, make the coated glass of toughened double silver structure of the present invention, its process parameter and the position list of target are as follows:

[0046] Target distribution and process parameters of toughened low-emissivity coated glass with double silver structure

[0047] Target

serial number cathode

Types of

target material sputtering process

barometric pressure

(hPa)

Process gas composition film layer

thickness

(nm) 1# Communication ta...

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Abstract

The invention provides a membranous layer composite structure of toughened low-radiation coated glass with a double-silver composite structure; toughening processing technique can be carried out after coating without influence on quality of products; silicon nitride (Si3N4) + ZnO is used as a composite dielectric layer of a base layer; one or more of tin oxide (SnO2), titanium oxide (TiO2), silicon nitride (Si3N4), and an absorbing layer of niobium oxide (Kb2O5) with ZnO are selected to form a composite dielectric layer of a middle layer; and the thicknesses and membranous components of other layers are reasonably selected, so as to prepare the toughened low-radiation coated glass with the double-silver composite structure which can undergo high-temperature heat processing.

Description

Technical field: [0001] The invention relates to a low-radiation coated glass coated with double silver layers, a composite dielectric layer and an absorption layer, which has high-efficiency sunshade performance and can be tempered. Background technique: [0002] Toughened double-silver coated glass is a film system product composed of multi-layer metal or other compounds including double-silver layer coated on the glass surface with good performance and toughening processability. Due to the double silver layer structure, the product has a high transmittance to visible light while maintaining good heat insulation and sunshade performance, and the long path of the multiple metal compound layers of the composite structure ensures the stability of the silver layer to achieve the after-coating. Tempered reprocessing. [0003] The film layer structure of ordinary double-silver structure low-emissivity glass produced by vacuum magnetron sputtering is generally: glass / base dielec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/36
Inventor 王茂良吴斌李志军顾云葛建军徐佳霖黄一波方志坚
Owner SHANGHAI YAOHUA PILKINGTON GLASS GROUP
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