OPTICAL GLASS AND OPTICAL ELEMENT
PROBLEM TO BE SOLVED: To provide optical glass with devitrification resistance and highly transparent to visible light even while having a lower Abbe number ( ) and a higher refractive index (n), a preform for precision press forming and an optical element.SOLUTION: This optical glass contains, in m...
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| Main Authors | , |
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| Format | Patent |
| Language | English |
| Published |
17.05.2012
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| Subjects | |
| Online Access | Get full text |
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| Abstract | PROBLEM TO BE SOLVED: To provide optical glass with devitrification resistance and highly transparent to visible light even while having a lower Abbe number ( ) and a higher refractive index (n), a preform for precision press forming and an optical element.SOLUTION: This optical glass contains, in mass%, 5.0-40.0% POcomponent and 30.0-70.0% NbOcomponent, and has a refractive index (n) of 1.80 or more. Also, the preform for precision press forming and the optical element comprise the optical glass. |
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| AbstractList | PROBLEM TO BE SOLVED: To provide optical glass with devitrification resistance and highly transparent to visible light even while having a lower Abbe number ( ) and a higher refractive index (n), a preform for precision press forming and an optical element.SOLUTION: This optical glass contains, in mass%, 5.0-40.0% POcomponent and 30.0-70.0% NbOcomponent, and has a refractive index (n) of 1.80 or more. Also, the preform for precision press forming and the optical element comprise the optical glass. |
| Author | OGINO MICHIKO TSUCHIBUCHI NANA |
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| Snippet | PROBLEM TO BE SOLVED: To provide optical glass with devitrification resistance and highly transparent to visible light even while having a lower Abbe number (... |
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| SubjectTerms | CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS |
| Title | OPTICAL GLASS AND OPTICAL ELEMENT |
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