GLASS BLOCK, METHOD FOR PRODUCING SAME, AND PLASMA-RESISTANT MEMBER
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United States of America
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Dec 26, 2024
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Sep 5, 2024
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Sep 5, 2024
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A glass block for a plasma resistant member, including silicon and at least one of magnesium and calcium, in which, in terms of mole percentage based on an oxide, a total content of MgO and CaO is 3.0 mol % or more and less than 29.0 mol %, a content of R2O is 3.0 mol % or more and less than 35.0 mol %, and a content of R12O is 8.0 mol % or less, provided that R1 is an alkali metal element and R2 is an alkaline earth metal element.
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