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Silicate skin glass, curved surface square hole microchannel plate and preparation method thereof

A technology of leather glass and silicate, which is applied in the field of curved square hole microchannel plate, can solve the problems of too large difference in thermal expansion coefficient, unable to act as skin glass of curved surface square hole microchannel plate, large internal stress, etc., and achieve thermal expansion The effect of a small coefficient

Active Publication Date: 2019-07-16
CHINA BUILDING MATERIALS ACAD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a high-strength glass, the tensile strength of quartz glass is high, but the thermal expansion coefficient of the soluble core material glass is too different, and the internal stress is too large in the process of "high temperature melting, pressing and bending", so it cannot be used as a curved square hole microchannel plate. leather glass

Method used

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  • Silicate skin glass, curved surface square hole microchannel plate and preparation method thereof
  • Silicate skin glass, curved surface square hole microchannel plate and preparation method thereof
  • Silicate skin glass, curved surface square hole microchannel plate and preparation method thereof

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preparation example Construction

[0042] Another embodiment of the present invention proposes a method for preparing a curved square hole microchannel plate, comprising the following steps:

[0043] (1) Mix silicic acid, barium nitrate or barium carbonate, sodium carbonate, potassium carbonate or potassium nitrate, basic magnesium carbonate, calcium carbonate, aluminum hydroxide to obtain a mixed raw material, add clarifier to the mixed raw material, and heat High-temperature melting and clarification, and then drawn into a molded skin glass tube at 1200-1350 ° C, the temperature of high-temperature melting and clarification and drawing molding of specific examples are shown in Table 3; wherein the weight ratio of clarifier and mixed raw materials is 0.1- 0.8: 0.92-0.99; the composition of the described skin glass tube is (in molar percentage): SiO 2 , 60-80%; 2 o 3 , 5-20%; Al 2 o 3 , 0.1-3.5%; Na 2 O, K 2 O and Cs 2 The total content of O is 0.1-10%; the total content of MgO, BaO and CaO is 3-15%; Na ...

Embodiment 5

[0054] The composition of the skin glass tube of embodiment 5 is identical with embodiment 1 silicate skin glass components, and the composition of embodiment 6 skin glass tube is identical with embodiment 2 silicate skin glass components, and the skin glass component of embodiment 7 The composition of the tube is the same as that of the silicate skinned glass of Example 3, the composition of the skinned glass tube of Example 8 is the same as that of the silicate skinned glass of Example 4, and the composition of the skinned glass tube of Comparative Example 3 is the same as that of the comparative example 1 The composition of the silicate skin glass is the same, and the composition of the skin glass tube of Comparative Example 4 is the same as that of Comparative Example 2. See Table 4 for the weight ratios of mixed raw materials and clarifiers in Examples 6-8 and Comparative Examples 3-4. The tensile strength of the curved square-hole microchannel plates of Examples 5-8 and ...

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Abstract

The present invention relates to silicate skin glass, micro-pore optics and a preparation method thereof. The silicate skin glass is composed of the following components in molar percentages: 60-80% of SiO<2>, 5-20% of Bi<2>O<3>, 0.1-3.5% of Al<2>O<3>, 0.1-10% of a total content of Na<2>O, K<2>O and Cs<2>O, and 3-15% of a total content of MgO, BaO and CaO. The micro-pore optics are prepared from the silicate skin glass. The silicate skin glass is used to prepare the micro-pore optics and improves the tensile strength of the micro-pore optics, so that the micro-pore optics have the tensile strength greater than 65 MPa. A thermal expansion coefficient of the silicate skin glass is small, which solves the problems that the microporous micro-pore optics are deformed and broken, and the thermal expansion coefficient of the micro-pore optics at 20 DEG C to 300 DEG C is 60x10^7-90x10^7 / DEG C.

Description

technical field [0001] The invention relates to a curved surface square hole microchannel plate, in particular to a silicate skin glass, a curved surface square hole microchannel plate and a preparation method thereof. Background technique [0002] Curved square hole microchannel plate (Micro-pore Optics, referred to as MPO) is based on the total reflection theory and uses the lobster-like eye structure to focus the extreme ultraviolet and X-ray components. Due to its excellent compact structure, large field of view, high With the advantages of resolution and light weight, it has strong development potential and application space in the field of extreme ultraviolet and X-ray optical detection. At present, the method of preparing curved square hole microchannel plate is the "high temperature melting and pressing hot bending" method. The key to the preparation of MPO is that the glass fiber used is made of an acid-soluble core material glass rod and a square skin glass tube. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/085C03C3/087C03C13/04C03B23/023C03C15/00C03C17/06H01J43/06H01J35/14
CPCC03B23/023C03C3/085C03C3/087C03C13/046C03C15/00C03C17/06H01J35/14H01J43/246
Inventor 蔡华李方骏徐滔王彩丽许阳蕾刘辉
Owner CHINA BUILDING MATERIALS ACAD
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