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Optical glass

2025-06-19 07:374900下载
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PROBLEM TO BE SOLVED : To provide a novel optical glass having optical characteristics of high refractive index and low dispersion. SOLUTION : An optical glass contains 0.1-40% (excluding 40%) Nb5++Ta5+ in terms of cation%, and 60-99.9% rare earth element ion, and further contains F- as anion. COPYRIGHT : (C)2015, JPO&INPIT


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