Matrix glass composition for gradient index rod lens, and gradient index rod lens produced with the composition
The object is to provide a glass composition suitable for the production of a gradient index rod lens having an aperture angle of 16 to 20 DEG and containing no lead and thallium, and also provide a gradient index rod lens produced with the composition. Disclosed is a matrix glass composition for a...
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| creator | SAKAGUCHI, KOICHI KOTAKE, TSUYOSHI INOUE, TERUHIDE |
| description | The object is to provide a glass composition suitable for the production of a gradient index rod lens having an aperture angle of 16 to 20 DEG and containing no lead and thallium, and also provide a gradient index rod lens produced with the composition. Disclosed is a matrix glass composition for a gradient index rod lens, wherein the composition comprises the following components (by mol%): 20 ≤ SiO2 ≤ 52, 1 ≤ B2O3 ≤ 30, 12 ≤ Li2O ≤ 18, 8 ≤ Na2O ≤ 15, 0 ≤ MgO ≤ 15, 0 ≤ SrO ≤ 10, 0 ≤ BaO ≤ 10,0 ≤ ZnO ≤ 15, 0 < TIO2 ≤ 15, 0 ≤ Nb2O5 ≤ 5, 0 ≤ Ta2O5 ≤ 5, and 3 < BI2O3 ≤ 13, provided that the composition satisfies the requirements shown by the following equations: 45 ≤ SiO2+B2O3 ≤ 65, 9 ≤ MgO+ZnO+TiO2 ≤ 25 and 0 ≤ Nb2O5+Ta2O5 ≤ 5, and the composition contains substantially no lead and thallium. |
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Disclosed is a matrix glass composition for a gradient index rod lens, wherein the composition comprises the following components (by mol%): 20 ≤ SiO2 ≤ 52, 1 ≤ B2O3 ≤ 30, 12 ≤ Li2O ≤ 18, 8 ≤ Na2O ≤ 15, 0 ≤ MgO ≤ 15, 0 ≤ SrO ≤ 10, 0 ≤ BaO ≤ 10,0 ≤ ZnO ≤ 15, 0 < TIO2 ≤ 15, 0 ≤ Nb2O5 ≤ 5, 0 ≤ Ta2O5 ≤ 5, and 3 < BI2O3 ≤ 13, provided that the composition satisfies the requirements shown by the following equations: 45 ≤ SiO2+B2O3 ≤ 65, 9 ≤ MgO+ZnO+TiO2 ≤ 25 and 0 ≤ Nb2O5+Ta2O5 ≤ 5, and the composition contains substantially no lead and thallium.</description><language>chi ; eng</language><subject>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</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071016&DB=EPODOC&CC=TW&NR=200738579A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071016&DB=EPODOC&CC=TW&NR=200738579A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAKAGUCHI, KOICHI</creatorcontrib><creatorcontrib>KOTAKE, TSUYOSHI</creatorcontrib><creatorcontrib>INOUE, TERUHIDE</creatorcontrib><title>Matrix glass composition for gradient index rod lens, and gradient index rod lens produced with the composition</title><description>The object is to provide a glass composition suitable for the production of a gradient index rod lens having an aperture angle of 16 to 20 DEG and containing no lead and thallium, and also provide a gradient index rod lens produced with the composition. 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Disclosed is a matrix glass composition for a gradient index rod lens, wherein the composition comprises the following components (by mol%): 20 ≤ SiO2 ≤ 52, 1 ≤ B2O3 ≤ 30, 12 ≤ Li2O ≤ 18, 8 ≤ Na2O ≤ 15, 0 ≤ MgO ≤ 15, 0 ≤ SrO ≤ 10, 0 ≤ BaO ≤ 10,0 ≤ ZnO ≤ 15, 0 < TIO2 ≤ 15, 0 ≤ Nb2O5 ≤ 5, 0 ≤ Ta2O5 ≤ 5, and 3 < BI2O3 ≤ 13, provided that the composition satisfies the requirements shown by the following equations: 45 ≤ SiO2+B2O3 ≤ 65, 9 ≤ MgO+ZnO+TiO2 ≤ 25 and 0 ≤ Nb2O5+Ta2O5 ≤ 5, and the composition contains substantially no lead and thallium.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | 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 | Matrix glass composition for gradient index rod lens, and gradient index rod lens produced with the composition |
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