Chemically strengthened transparent glass ceramics

A glass-ceramic and ceramization technology, applied in the field of chemically strengthened transparent glass-ceramic and glass-ceramic composition, can solve problems such as cracks and reduction of glass strength

Pending Publication Date: 2022-07-29
AVANSTRATE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the surface hardness and flexural strength of glass have been greatly improved, contact damage can lead to cracks that reduce the strength of the glass

Method used

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  • Chemically strengthened transparent glass ceramics
  • Chemically strengthened transparent glass ceramics
  • Chemically strengthened transparent glass ceramics

Examples

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Embodiment Construction

[0028] In the following description, the same reference numerals refer to the same or corresponding parts throughout the several views of the drawings. It should also be understood that terms such as "top," "bottom," "outward," "inward," and the like are for convenience and should not be construed as terms of limitation unless otherwise indicated. Furthermore, whenever a group is described as comprising at least one of a group of elements, and combinations thereof, it will be understood that the group can comprise, consist essentially of, or consist of any number of those recited elements, alone or in combination with each other They are composed. Similarly, whenever a group is described as consisting of at least one of a group of elements, or a combination thereof, it will be understood that the group can consist of any number of those recited elements, alone or in combination with each other. Unless otherwise stated, numerical ranges, when recited, include the upper and low...

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Abstract

The invention relates to a chemically strengthened transparent glass ceramic. A glass ceramic, a ceramization method thereof and a composition thereof are described. The glass ceramic is suitable for use in an ion exchange process to increase the strength of the glass ceramic material. It is described that ion-exchanged glass ceramic materials having a crack initiation load CIL > = 1 kgf exhibit higher strength. In addition, the average transmittance of the glass ceramic to the visible light wavelength is greater than or equal to 70%. In general, the glass ceramic compositions of the present invention exhibit higher strength, higher drop resistance, and good transparency.

Description

technical field [0001] The present invention relates to a composition of glass ceramic mother glass, hereinafter referred to as glass ceramic composition. More specifically, the present invention focuses on chemically strengthening transparent glass-ceramics. Even more specifically, the present invention focuses on the use of Crack Initiation Load (CIL) values ​​to determine the scratch and service strength of chemically strengthened transparent glass-ceramics. Background technique [0002] Typically, cover glass has been used to enhance the mechanical protection of the display screens of electronic devices such as cell phones, entertainment devices, tablet computers, notebook computers, digital cameras, wearable devices, and the like. Conventional glass is brittle and prone to microcracks on the surface, which reduces the service strength of the glass, such as drop strength. Therefore, using traditional glass as the cover glass has poor scratch resistance and drop resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/12C03C10/04C03C21/00
CPCC03C10/0027C03C10/00C03C21/00
Inventor 吉藤德拉·西盖尔比斯瓦讷斯·森山迪普·瑞迪·高譚
Owner AVANSTRATE INC
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