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High-acid-dissolution-rate core material glass component for microchannel plate

A technology of micro-channel plate and core glass, which is applied in the field of high acid dissolution rate core glass components, can solve the problems of single acid dissolution glass system, and achieve the effect of high acid dissolution rate and good compatibility

Inactive Publication Date: 2012-06-27
CHINA BUILDING MATERIALS ACAD
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Problems solved by technology

It can be seen that the acid-soluble glass system is relatively simple, which largely limits the effective solution to the deformation defects of the micro-channel plate. At present, it is urgent to develop a reasonable and effective core material glass for the micro-channel plate with a high acid-dissolving rate, which can improve the performance of the micro-channel plate. There are many effective ways to improve the

Method used

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  • High-acid-dissolution-rate core material glass component for microchannel plate

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] The present invention relates to high acid dissolution rate microchannel plate core material glass components comprising B 2 o 3 , BaO, La 2 o 3 , SiO 2 、Al 2 o 3 , MgO, CaO, Na 2 O, K 2 O, clarifying agent Sb 2 o 3 .

[0023] Among them: B 2 o 3 It is a glass former oxide, the basic skeleton of the glass structure, and the main component of acid-soluble glass. Its content exceeds 40wt%, and the glass contains a large amount of [BO 3 ] Trihedral, while reducing the chemical stability of the glass, it also reduces the glass viscosity and thermal expansion coefficient, and deteriorates the incompatibility with the microchannel skin glass; BaO is the outer body oxide of the glass, which is to improve the hyaluronic acid The main oxide component of the dissolution rate is also the flux of the glass. Replacing CaO with ...

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Abstract

The invention discloses a high-acid-dissolution-rate core material glass component for a microchannel plate. The glass component comprises 30-40wt% of B2O3, 20-30wt% of BaO, 20-30wt% of La2O3, 5-10wt% of SiO2, 1-5wt% of Al2O3, 5-10wt% of MgO and CaO and 5-10wt% of Na2O and K2O. The invention provides a new microchannel plate core glass system. The glass system is high in acid dissolution rate, has good compatibility with a microchannel slab glass system in chemical and thermal properties, and can be used for preparing a small-bore microchannel plate, a conductive glass microchannel plate and a thick bending microchannel plate.

Description

technical field [0001] The invention relates to the technical field of inorganic non-metallic materials, in particular to a high acid dissolution rate core material glass component for a microchannel plate. Background technique [0002] Micro-channel Plate (MCP for short) is a component that multiplies electrons distributed in two-dimensional space, due to its high gain, low noise, high resolution, broadband, low power consumption, long life and self-saturation Effect and other characteristics, and are widely used in low-light image tubes, photomultiplier tubes, camera tubes and particle detectors. At present, the method for preparing MCP is the solid method. The key to the preparation of MCP is that the glass fiber used is formed by drawing together an acid-soluble core material glass rod and a sheath glass tube, and the peripheral edge-wrapped glass fiber, The two kinds of glass fibers are regularly arranged in bundles, fused at high temperature, cut into pieces, and then...

Claims

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Application Information

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IPC IPC(8): C03C3/068
Inventor 黄永刚薄铁柱
Owner CHINA BUILDING MATERIALS ACAD
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