Optical glass
An optical glass comprising, in % by weight 21.0 to 35.0% SiO2; 0 to 10.0% B2O3; 0 to 4.0% Al2O3; 0.5 to 4.0% Li2O; 33.0 to 55.0% BaO+SrO+CaO+MgO+ZnO, with the proviso of 19.0 to 45.0% BaO, 0 to 15.0% SrO, 0 to 20.0% CaO, 0 to 5.0% MgO, and 1.5 to 20.0% ZnO; 8.0 to 23.0% La2O3; 2.0 to 8.0% ZrO2; 0 t...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
06.11.1984
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| Subjects | |
| Online Access | Get full text |
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| Abstract | An optical glass comprising, in % by weight 21.0 to 35.0% SiO2; 0 to 10.0% B2O3; 0 to 4.0% Al2O3; 0.5 to 4.0% Li2O; 33.0 to 55.0% BaO+SrO+CaO+MgO+ZnO, with the proviso of 19.0 to 45.0% BaO, 0 to 15.0% SrO, 0 to 20.0% CaO, 0 to 5.0% MgO, and 1.5 to 20.0% ZnO; 8.0 to 23.0% La2O3; 2.0 to 8.0% ZrO2; 0 to 10.0% TiO2; 0 to 4.5% Nb2O5+Ta2O5; 0 to 5.0% WO3; and 0 to 5.0% PbO. |
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| AbstractList | An optical glass comprising, in % by weight 21.0 to 35.0% SiO2; 0 to 10.0% B2O3; 0 to 4.0% Al2O3; 0.5 to 4.0% Li2O; 33.0 to 55.0% BaO+SrO+CaO+MgO+ZnO, with the proviso of 19.0 to 45.0% BaO, 0 to 15.0% SrO, 0 to 20.0% CaO, 0 to 5.0% MgO, and 1.5 to 20.0% ZnO; 8.0 to 23.0% La2O3; 2.0 to 8.0% ZrO2; 0 to 10.0% TiO2; 0 to 4.5% Nb2O5+Ta2O5; 0 to 5.0% WO3; and 0 to 5.0% PbO. |
| Author | TAJIMA; HIDEMI |
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| Notes | Application Number: US19840602104 |
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| PublicationDate | 19841106 |
| PublicationDateYYYYMMDD | 1984-11-06 |
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| PublicationDecade | 1980 |
| PublicationYear | 1984 |
| RelatedCompanies | HOYA CORPORATION |
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| Snippet | An optical glass comprising, in % by weight 21.0 to 35.0% SiO2; 0 to 10.0% B2O3; 0 to 4.0% Al2O3; 0.5 to 4.0% Li2O; 33.0 to 55.0% BaO+SrO+CaO+MgO+ZnO, with the... |
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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 SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS |
| Title | Optical glass |
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