Infrared-transmitting glass suitable for mold forming
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United States of America Patent
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Sep 17, 2019
Grant Date -
Apr 12, 2018
app pub date -
Mar 31, 2016
filing date -
Mar 31, 2015
priority date (Note) -
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Abstract
The present invention provides an infrared-transmitting glass that is a chalcogenide glass, has a reduced Ge content, can sufficiently cover atmospheric windows, is free from highly toxic elements, such as Se and As, and is suitable for mold forming. Specifically, the present invention provides an infrared-transmitting glass suitable for mold forming, comprising, in terms of molar concentration:
- 0 to 2% of Ge,3 to 30% of Ga,10 to 40% of Sb,45 to 70% of S,3 to 30% of at least one member selected from the group consisting of Sn, Ag, Cu, Te, and Cs, and0 to 30% of at least one member selected from the group consisting of Cl, Br, and I.
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