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Optical glass

2025-06-18 04:493150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%) Nb+Tain terms of cation%, and 60-99.9% rare earth element ion, and further contains Fas anion.


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