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Glass for manufacturing micro-channel plate glass matrix

A technology of glass substrate and micro-channel plate, which is applied in the field of glass for manufacturing glass substrate of micro-channel plate, can solve problems such as difficulties, and achieve the effects of good aperture precision and good structural uniformity

Inactive Publication Date: 2010-12-15
杭州千盟光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 2. The uniformity of MCP structure and the accuracy of aperture
However, the prior art skin glass and core glass have a very high probability of producing the above-mentioned defects, and it is very difficult to solve them.

Method used

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  • Glass for manufacturing micro-channel plate glass matrix
  • Glass for manufacturing micro-channel plate glass matrix
  • Glass for manufacturing micro-channel plate glass matrix

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052] Leather glass of the present invention comprises by weight parts:

[0053] SiO 2 47-50.0 servings

[0054] Al 2 o 3 0.5-2.0 parts

[0055] PbO 28-30.0 parts

[0056] Bi 2 o 3 7.0-10.0 servings

[0057] ∑(K 2 O+Rb 2 O+C S2 O) 5-6.5 parts

[0058] ∑(BaO+CaO) 6-9.0 parts

[0059] ∑(As 2 o 3 +Sb 2 o 3 ) 0.5-1.0 parts;

[0060] The softening point Tf of leather glass is 580-590°C, and its thermal expansion coefficient α at 20°C-300°C is (68-75)×10 -7 / °C;

[0061] Correspondingly, the core glass comprises by parts by weight:

[0062] SiO 2 20-27.0 servings

[0063] B 2 o 3 12-18.0 servings

[0064] Al 2 o 3 1-2.0 servings

[0065] ∑(BaO+CaO) 30-40 parts

[0066] La 2 o 3 10-20 servings

[0067] ∑(ZnO+MgO) 2-3 parts.

[0068] The softening point Tf of the core glass is 6...

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Abstract

The invention relates to glass for manufacturing micro-channel plate glass matrix. The glass comprises surface glass and core glass which are used together. The surface glass comprises the following components in part by weight: 47 to 50.0 parts of SiO2, 0.5 to 2.0 parts of Al2O3, 28 to 30.0 parts of PbO, 7.0 to 10.0 parts of Bi2O3, 5 to 6.5 parts of sigma (K2O+Rb2O+CS2O), 6 to 9.0 parts of sigma (BaO+CaO) and 0.5 to 1.0 part of sigma (As2O3+Sb2O3). The core glass comprises the following components in part by weight: 20 to 27.0 parts of SiO2, 12 to 18.0 parts of B2O3, 1 to 2.0 parts of Al2O3, 30 to 40 parts of sigma (BaO+CaO), 10 to 20 parts of La2O3, and 2 to 3 parts of sigma (ZnO+MgO). The glass has the advantages of deformation resistance of MCP, structural uniformity and good aperture precision.

Description

technical field [0001] The present invention relates to glasses for use in the manufacture of microchannel plate glass substrates. Background technique [0002] see figure 1 and figure 2 , the micro-channel plate includes a glass substrate 1 and a solid edge glass 2, and a plurality of channels 3 are arranged in the thickness direction of the glass substrate 1. A microchannel plate (MCP for short) is a two-dimensional electron multiplier device composed of thousands of hollow glass capillaries closely arranged in parallel with each other. Each microhole in the plate, that is, a channel, is a miniature electron multiplier device. , a single channel can only be used to detect electrons, neutrons, etc., X-rays, r-rays, energetic particles, etc., while a two-dimensional arrangement of electron multiplication arrays, MCP can be used to detect and amplify photoelectric images. The more channels 3 (each channel is a pixel), the more pixels, the clearer the image. [0003] At p...

Claims

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Application Information

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IPC IPC(8): C03C3/105C03C3/068
Inventor 陈楠缪坤治
Owner 杭州千盟光电科技有限公司
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