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A deep red infrared-transmitting quartz glass plate and its preparation method

An infrared-transmitting and deep-red technology, which is applied in the field of deep-red infrared-transmitting quartz glass plate and its preparation, can solve the problems of poor infrared transmission performance and poor effect, and achieve the effect of good uniformity and low doping expansion

Active Publication Date: 2015-10-28
LIANYUNGANG HONGYANG QUARTZ PROD
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AI Technical Summary

Problems solved by technology

At present, there are two types of quartz glass plates, white and black. They have poor infrared transmission performance and the effect is not good.

Method used

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  • A deep red infrared-transmitting quartz glass plate and its preparation method
  • A deep red infrared-transmitting quartz glass plate and its preparation method

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Embodiment Construction

[0015] A dark red infrared-transmitting quartz glass plate, which uses high-purity quartz sand as a basic raw material by weight, and is equipped with trace element additives accounting for 6%-9.5% by weight of high-purity quartz sand, and uses SiO 2 The content is greater than 99.999%, the impurity content is less than 5ppm, and the high-purity quartz sand is 50-140 mesh.

[0016] Wherein, the trace element additive is made up of the raw material of following weight ratio:

[0017]

[0018] The optimal weight of trace element additives is 8%-9.5% of high-purity quartz sand.

[0019] Trace element additive formula 1: copper oxide CuO 0.15, manganese dioxide MnO 2 1. Samarium oxide Sm 2 o 3 2. Aluminum oxide Al 2 o 3 1.5. Cobalt chloride CoCl 2 ·6H 2 O 0.03, erbium oxide Er 2 o 3 0.2.

[0020] Trace element additive formula 2: copper oxide CuO 0.2, manganese dioxide MnO 2 2. Samarium oxide Sm 2 o 3 3. Aluminum oxide Al 2 o 3 2. Cobalt chloride CoCl 2 ·...

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Abstract

The invention discloses a deep red infrared transmission quartz glass plate which comprises the following raw materials in percentage by weight: high-purity quartz sand as a basic raw material and trace element additives accounting for 6%-9.5% of the high-purity quartz sand, wherein the trace element additives comprise copper oxide CuO, manganese dioxide MnO2, samarium oxide SmO, aluminum oxide AL2O3, cobalt oxide CoCL2.6H2O and erbium oxide Er2O3. The deep red infrared transmission quartz glass plate formed by drawing through an integral plate body coloring preparation process has the characteristics of low doping expansion, good uniformity, high temperature resistance, acid resistance, alkali resistance, quick heating and cooling performances, ultraviolet transmission, infrared transmission and the like, absorbs visible light, passes through near-infrared rays of 800-2500 nm, and has the spectral features that (the sample thickness is 2.0 mm) the transmittance T is not more than 14%, 800 nm T is not less than 5.0%, and 1100 nm T is not less than 75.0%.

Description

technical field [0001] The invention relates to a preparation technology of quartz glass, in particular to a dark red infrared-transmitting quartz glass plate and a preparation method thereof. Background technique [0002] Quartz glass has low or even zero expansion after doping, and has the characteristics of high temperature resistance, ultraviolet and infrared transmission, acid resistance, alkali resistance, and excellent rapid cooling and rapid heating performance. It is widely used in national defense industry, semiconductor industry, optical industry, electrical Light source, chemical industry and other industries. The current quartz glass plates are available in white and black, and their infrared transmission performance is poor, and the effect is not good. Contents of the invention [0003] The technical problem to be solved by the present invention is to address the deficiencies of the prior art, and propose a dark red, infrared-transmitting quartz plate with g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C4/10C03C4/02C03C3/06
Inventor 徐传龙冯维娥徐源
Owner LIANYUNGANG HONGYANG QUARTZ PROD
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