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Edge Strength Test Method and Apparatus

A technology of edge and strength value, applied in the direction of strength characteristics, testing material strength by applying a stable bending force, measuring device, etc., can solve problems such as degradation and irremovability

Active Publication Date: 2022-01-18
CORNING INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, many of these methods are unsatisfactory because the technique cannot remove imperfections down to the size required for the expected stresses or because the technique is difficult to apply to such thin glass sheets (thickness less than about 0.4 mm)
Acid etching of the glass edge can be used, but this may cause degradation of the display device placed on the substrate

Method used

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  • Edge Strength Test Method and Apparatus
  • Edge Strength Test Method and Apparatus
  • Edge Strength Test Method and Apparatus

Examples

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Embodiment Construction

[0029] The following will refer to figure 1Embodiments of the present disclosure are described showing an exemplary glass manufacturing system 100 for producing a glass ribbon 104 . Glass manufacturing system 100 may include: melting vessel 110, melt to clarifier tube 115, clarifier vessel (e.g., clarifier tube) 120, clarifier to stir chamber connection tube 125 (with horizontal probe riser 127 extending therefrom), mixing vessel (e.g., (static or dynamic) mixing chamber) 130, mixing chamber to bowl connection pipe 135, transfer vessel (e.g., bowl) 140, downcomer 145, and FDM 150 (which may include inlet 155, forming body (e.g., overflow) Groove) 160 and pulling roller assembly 165).

[0030] Glass batch material may be introduced into melting vessel 110 as indicated by arrow 112 to form molten glass. As used herein, the term "batch material" and variations thereof are intended to mean a mixture of glass precursor components that, after melting, reacting, and / or combining, f...

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Abstract

Apparatus and methods for testing a sheet of brittle material comprising the steps of measuring one or more edge characteristics of the sheet of brittle material, imparting a bend to the sheet of brittle material, and generating relative movement between the sheet and the bend thereby bending across the sheet. Stresses associated with relative movement and imparted bending can be induced in the sheet material, wherein the induced stresses correspond to predetermined intensity values, and the measured one or more edge characteristics can be correlated to the intensity values.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 U.S.C. §119 to U.S. Provisional Application Serial No. 62 / 199534, filed July 31, 2015, and U.S. Provisional Application Serial No. 62 / 132797, filed March 13, 2015, herein This application is based on and is hereby incorporated by reference in its entirety in its entirety. technical field [0003] The present disclosure generally relates to testing methods and apparatus for glass and / or glass-ceramics. [0004] technical background [0005] High-performance display devices, such as liquid crystal displays (LCDs) and plasma displays, are commonly used in various electronic devices, such as cell phones, notebook computers, electronic tablets, televisions, and computer monitors. Display devices currently on the market may, for example, use one or more pieces of high-precision glass as a substrate of circuit components or as a color filter, and this is merely an example. The leadin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/20
CPCG01N2203/0076G01N2203/0282G01N3/20G01N2203/0023
Inventor G·P·阿格尼洛C·P·安W·K·登森P·诺尔斯D·B·莫尔豪斯D·F·罗斯三世C·R·尤斯坦尼克S·文卡塔查拉姆
Owner CORNING INC
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