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Process for melting glass and glass

A technology for glass and glass raw materials, applied in glass furnace equipment, glass manufacturing equipment, manufacturing tools, etc., can solve problems such as glass instability, achieve melting cost, excellent ductility and processability, and ensure heat resistance and resistance. Corrosive effect

Inactive Publication Date: 2009-02-04
NIPPON ELECTRIC GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since Nichrome-based metals contain Cr in the metal, there is a problem that a large amount of Cr melts out in the glass during melting to color the glass, and the melted Cr destabilizes the glass.

Method used

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  • Process for melting glass and glass
  • Process for melting glass and glass
  • Process for melting glass and glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0068] Hereinafter, the present invention will be described in detail based on examples.

[0069] Tables 1 and 2 show examples (No. 1 to 9) of the present invention, and Table 3 shows comparative examples (No. 10 to 12).

[0070] [Table 1]

[0071]

[0072] (Note) Zirconium Alloy 2: Equivalent to ASTM Grade R60802

[0073] Zirconium Alloy 4: Equivalent to ASTM Grade R60804

[0074] [Table 2]

[0075]

[0076] (Note) Zirconium Alloy 2: Equivalent to ASTM Grade R60802

[0077] Zirconium Alloy 4: Equivalent to ASTM Grade R60804

[0078] [table 3]

[0079]

[0080] As shown in the glass composition in the table, various oxides, carbonate raw materials, etc. are blended to make glass raw materials. The glass raw materials shown in the table were charged into a melting container, and melted at the melting temperature shown in the table for 2 hours in the melting atmosphere shown in the table.

[0081] Next, the molten glass in the melting vessel flows out fro...

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Abstract

Provided is a process for melting glass which enables long-period and repeated melting of SnO-P2O5 glasses, which glasses are liable to corrode a melting vessel made of platinum, and which little causes the deterioration of glass with constituents of a melting vessel even if the constituents thereof penetrate into molten glass in the melting step; and glass. [MEANS FOR SOLVING PROBLEMS] A process for melting glass by melting a glass raw material batch in a melting vessel, characterized in that the melting vessel is one made of zirconium or a zirconium alloy.

Description

technical field [0001] The present invention relates to a melting method of glass and glass, in particular to the sealing of electronic components such as various ceramic packages and magnetic heads, the sealing of various display devices, the partition of plasma display panel (PDP), the metal double wall of thermos bottle, etc. Layer container sealing and glass melting method and glass of various optical glass. Background technique [0002] Among the sealing materials used for electronic components such as ceramic packages and magnetic heads and display devices, it is required to be able to perform low-temperature sealing so as not to have adverse effects on components such as ICs and crystal oscillators, and it is also required that the coefficient of thermal expansion and the sealed material The coefficient of thermal expansion of the material matches. [0003] So far, as sealing materials satisfying these characteristics, various PbO-P 2 o 3 glass or a composite mater...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B5/43C03C3/12C03C3/14
CPCC03C8/08C03C3/19C03C8/24C03B5/43C03C3/12C03C3/14
Inventor 菊谷武民西川佳范伊藤信敏
Owner NIPPON ELECTRIC GLASS CO LTD
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