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Multiple film series film coated glass and preparing method thereof

A technology of coated glass and film system, applied in the field of multi-film coated glass and automobile windshield, can solve the problems of visible light transmittance, insufficient infrared blocking force, etc., and achieve constant current, good conductivity and high transparency. Effect

Inactive Publication Date: 2010-08-11
宋秀宁 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The existing ITO coated glass has only one film layer, and its thickness is greater than 50nm. This thickness has already had an adverse effect on the visible light transmittance, and the blocking force on infrared rays is not enough.

Method used

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  • Multiple film series film coated glass and preparing method thereof
  • Multiple film series film coated glass and preparing method thereof
  • Multiple film series film coated glass and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The invention is a method for preparing multi-film coated glass, comprising the following steps:

[0052] Step 1: Select float glass and cut it into glass pieces; the dimensions of the glass pieces are: length 400mm, width 400mm, thickness 2mm.

[0053]Step 2: Clean the glass sheet with a cleaning solution to remove surface oil, fingerprints and other dirt, then scrub with clean water and deionized water, and then heat and dry in an oven to remove moisture on the surface of the glass sheet.

[0054] Step 3: Coating an indium tin oxide alloy film with a thickness of 28 nm on the surface of the glass sheet with a magnetron sputtering coating machine;

[0055] Step 4: On the surface of the above-mentioned indium tin oxide alloy film with a vacuum coating machine, a transition film with a thickness of 15nm is plated; the transition film is a ZnS film, a TiO 2 one of the membranes;

[0056] Step 5: plating an Ag film with a thickness of 22nm on the surface of the above-men...

Embodiment 2

[0059] The invention is a method for preparing multi-film coated glass, comprising the following steps:

[0060] Step 1: Select float glass and cut it into glass pieces; the dimensions of the glass pieces are: length 420mm, width 420mm, thickness 2.2mm.

[0061] Step 2: Clean the glass sheet with a cleaning solution to remove surface oil, fingerprints and other dirt, then scrub with clean water and deionized water, and then heat and dry in an oven to remove moisture on the surface of the glass sheet.

[0062] Step 3: Use a screen printing machine to print silver paste conductive glue on the upper and lower edges of the glass sheet to form two conductive strips; the width of each conductive strip is 10mm.

[0063] Step 4: Coating an indium tin oxide alloy film with a thickness of 32 nm on the surface of the above-mentioned glass sheet printed with conductive strips by using a magnetron sputtering coating machine.

[0064] Step 5: on the surface of the above-mentioned indium ti...

Embodiment 3

[0068] The invention is a method for preparing multi-film coated glass, comprising the following steps:

[0069] Step 1: Select float glass and cut it into glass pieces; the dimensions of the glass pieces are: length 440mm, width 440mm, thickness 2.4mm.

[0070] Step 2: Clean the glass sheet with a cleaning solution to remove surface oil, fingerprints and other dirt, then scrub with clean water and deionized water, and then heat and dry in an oven to remove moisture on the surface of the glass sheet.

[0071] Step 3: Use a screen printing machine to print silver paste conductive glue on the upper and lower edges of the glass sheet to form two conductive strips; the width of each conductive strip is 10mm.

[0072] Step 4: Coating an indium tin oxide alloy film with a thickness of 36 nm on the surface of the above-mentioned glass sheet printed with conductive strips by using a magnetron sputtering coating machine.

[0073] Step 5: on the surface of the above-mentioned indium ti...

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Abstract

The invention relates to multi-film coating glass and a preparation method thereof, which comprises the following steps: A. glass selecting, cutting glass into pieces according to preset sizes, washing the glass piece, drying the glass pieces; B. coating a layer of indium oxide tin alloy film with a thickness of 28 to 48 nm on the surface of the glass pieces by a magnetron sputtering coater; C. atransition film with a thickness of 5 to 15nm being coated on the surface of indium oxide tin alloy film by a vacuum coating machine; the transition film is either a zinc sulfide film or a titanium dioxide film; D. a silver film with a thickness of 10 to 22nm being coated on the surface of the transition film by the vacuum coating machine; E. a protection film with a thickness of 40 to 70nm beingcoated on the surface of the silver film by the vacuum coating machine; the protection film is either a zinc sulfide film or a titanium dioxide film. The produced glass by employing the method has high transparency, is capable of effectively reflecting infrared and blocking ultraviolet, can fast and evenly give off heat, defrost fog and melt ice and snow under the condition of low pressure.

Description

technical field [0001] The invention belongs to the technical field of glass, and in particular relates to a multi-film coated glass, which is mainly used as an automobile windshield. Background technique [0002] Most of the windshields of automobiles are made of colorless and transparent tempered glass, which has low reflectivity to sunlight and poor heat insulation effect. In order to improve this situation, some medium and high-end automobiles begin to use coated glass. At present, the latest foreign products are ITO coated glass, ITO is the abbreviation of Indium-Tin-Oxide, its Chinese name is indium tin oxide alloy, and its coating method is magnetron sputtering, that is, using a magnetron sputtering coating machine to coat indium tin oxide alloy on glass surface. [0003] The advantages of indium tin oxide alloy coating are: strong combination with glass substrate, wear resistance, acid and alkali resistance, low temperature resistance, long service life, good functi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/36
Inventor 宋秀宁钱苗根
Owner 宋秀宁
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