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Method for reducing warpage in glass chemical strengthening and fixture for strengthening

A kind of glass and chemical technology, applied in the field of float glass manufacturing, to achieve the effect of saving production cost, reducing warpage value and improving pass rate

Active Publication Date: 2021-03-12
河北视窗玻璃有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, only the infiltration amount of tin ions on the tin surface can be effectively reduced, but it cannot be avoided, so the warping problem of the float cover glass after chemical strengthening is also inevitable

Method used

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  • Method for reducing warpage in glass chemical strengthening and fixture for strengthening
  • Method for reducing warpage in glass chemical strengthening and fixture for strengthening
  • Method for reducing warpage in glass chemical strengthening and fixture for strengthening

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Embodiment Construction

[0026] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

[0027] This embodiment provides a method for reducing warpage during chemical strengthening of glass, which can effectively reduce the warpage of glass 6 produced by the float method during chemical strengthening, and improve the qualified rate of glass 6 . The glass 6 produced in this embodiment is mainly used in consumer touch electronic products, such as 2D, 2.5D and 3D ultra-thin electronic glass 6 , etc., but is not limited to the above glass types. The method for reducing ...

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Abstract

The invention relates to the technical field of manufacture of float glass, and discloses a method for reducing warpage during chemical strengthening of glass and a fixture for strengthening. A method for reducing warpage during chemical strengthening of glass. Before chemical strengthening of glass, the glass is laid flat with the tin side of the glass facing down. During the process of chemical strengthening of glass, ion-exchanged The temperature is set at 380‑450°C. The strengthening jig is used in the above-mentioned method for reducing warpage during chemical strengthening of glass, and is used to support the glass and make the glass lie flat. The method for reducing warpage during chemical strengthening of glass and the fixture for strengthening according to the invention can effectively reduce the warpage value of float glass during chemical strengthening and improve the pass rate of glass.

Description

technical field [0001] The invention relates to the technical field of manufacture of float glass, in particular to a method for reducing warpage during chemical strengthening of glass and a fixture for strengthening. Background technique [0002] In recent years, chemically strengthened cover glass with high strength, scratch resistance, and impact resistance has been used to protect the display in mobile displays such as mobile phones and tablet computers, and flat-panel displays such as large LCD TVs. For the characteristics of chemically strengthened glass, surface compressive stress (CS), depth of stress layer (DoL), and bulk tensile stress (CT) are generally used as indexes. [0003] Since the glass is an amorphous solid, the general silicate glass is composed of the main network formed by the Si-O bond and the alkali metal and alkaline earth metal plasma in the network. This network is mainly composed of polyhedra containing oxygen ions, the center of which is occupi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C21/00
CPCC03C21/002
Inventor 蔡礼貌李聚锋韩正伟巩瑞龙其他发明人请求不公开姓名
Owner 河北视窗玻璃有限公司
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