Importance

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Abstract

The present invention relates to the field of special glass materials and preparation, in particular to a glass composition resistant to ion bombardment, a cladding glass of microchannel plate, a microchannel plate and a preparing method thereof. The coordination between the components and the adjustment of the dosage, in particular, oxides with high bond energy containing scandium and/or strontium and/or zirconium and/or molybdenum, can be introduced into the glass material, so as to improve the surface binding energy (SBE), thereby improving the ion bombardment resistance of the glass material and significantly prolonging the working life of the microchannel plate during detecting high-energy ions directly, while meeting other necessary properties such as good anti-crystallization, good acid and alkali resistance, appropriate softening temperature, thermal expansion coefficient, and bulk resistance, etc.

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First Claim