Large transmissive optical component
An optical glass for the manufacture of large transmission optics, such as lenses having a thickness of 100 millimeters or more, comprises 35 to 70 wt.-% SiO2, 17 to 35 wt.-% Al2O3, 3 to 17 wt.-% P2O5, 0 to 6 wt.-% Li2O, 0,5 to 4 wt.-% MgO, 0,5 to 3 wt.-% ZnO, a maximum of 1 wt.-% CaO, a maximum of...
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| creator | MITRA INA DOEHRING THORSTEN |
| description | An optical glass for the manufacture of large transmission optics, such as lenses having a thickness of 100 millimeters or more, comprises 35 to 70 wt.-% SiO2, 17 to 35 wt.-% Al2O3, 3 to 17 wt.-% P2O5, 0 to 6 wt.-% Li2O, 0,5 to 4 wt.-% MgO, 0,5 to 3 wt.-% ZnO, a maximum of 1 wt.-% CaO, a maximum of 0,5 wt.-% BaO, 0,5 to 6 wt.-% TiO2, 0,5 to 3 wt.-% ZrO2, 0 to 1 wt.-% Na2O, 0 to 1 wt.-% K2O, a maximum of 1 wt.-% of refining agents (As2O3, SP2O3) and a maximum of 500 ppm of other contaminants. The glass composition may be equal to the composition of the glass ceramic Zerodur(R) and allows to manufacture large transmission optics in a cost-effective way, has a maximum of transmittance which is in the range of a He-Ne lasers and has a CTE of about 3.10-6/K. |
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The glass composition may be equal to the composition of the glass ceramic Zerodur(R) and allows to manufacture large transmission optics in a cost-effective way, has a maximum of transmittance which is in the range of a He-Ne lasers and has a CTE of about 3.10-6/K.</description><language>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>2009</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=20090428&DB=EPODOC&CC=US&NR=7524782B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090428&DB=EPODOC&CC=US&NR=7524782B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MITRA INA</creatorcontrib><creatorcontrib>DOEHRING THORSTEN</creatorcontrib><title>Large transmissive optical component</title><description>An optical glass for the manufacture of large transmission optics, such as lenses having a thickness of 100 millimeters or more, comprises 35 to 70 wt.-% SiO2, 17 to 35 wt.-% Al2O3, 3 to 17 wt.-% P2O5, 0 to 6 wt.-% Li2O, 0,5 to 4 wt.-% MgO, 0,5 to 3 wt.-% ZnO, a maximum of 1 wt.-% CaO, a maximum of 0,5 wt.-% BaO, 0,5 to 6 wt.-% TiO2, 0,5 to 3 wt.-% ZrO2, 0 to 1 wt.-% Na2O, 0 to 1 wt.-% K2O, a maximum of 1 wt.-% of refining agents (As2O3, SP2O3) and a maximum of 500 ppm of other contaminants. The glass composition may be equal to the composition of the glass ceramic Zerodur(R) and allows to manufacture large transmission optics in a cost-effective way, has a maximum of transmittance which is in the range of a He-Ne lasers and has a CTE of about 3.10-6/K.</description><subject>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS</subject><subject>CHEMISTRY</subject><subject>GLASS</subject><subject>JOINING GLASS TO GLASS OR OTHER MATERIALS</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS</subject><subject>SURFACE TREATMENT OF GLASS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFDxSSxKT1UoKUrMK87NLC7OLEtVyC8oyUxOzFFIzs8tyM9LzSvhYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxocHmpkYm5hZGTkbGRCgBAPnVJxU</recordid><startdate>20090428</startdate><enddate>20090428</enddate><creator>MITRA INA</creator><creator>DOEHRING THORSTEN</creator><scope>EVB</scope></search><sort><creationdate>20090428</creationdate><title>Large transmissive optical component</title><author>MITRA INA ; DOEHRING THORSTEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7524782B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS</topic><topic>CHEMISTRY</topic><topic>GLASS</topic><topic>JOINING GLASS TO GLASS OR OTHER MATERIALS</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS</topic><topic>SURFACE TREATMENT OF GLASS</topic><toplevel>online_resources</toplevel><creatorcontrib>MITRA INA</creatorcontrib><creatorcontrib>DOEHRING THORSTEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MITRA INA</au><au>DOEHRING THORSTEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Large transmissive optical component</title><date>2009-04-28</date><risdate>2009</risdate><abstract>An optical glass for the manufacture of large transmission optics, such as lenses having a thickness of 100 millimeters or more, comprises 35 to 70 wt.-% SiO2, 17 to 35 wt.-% Al2O3, 3 to 17 wt.-% P2O5, 0 to 6 wt.-% Li2O, 0,5 to 4 wt.-% MgO, 0,5 to 3 wt.-% ZnO, a maximum of 1 wt.-% CaO, a maximum of 0,5 wt.-% BaO, 0,5 to 6 wt.-% TiO2, 0,5 to 3 wt.-% ZrO2, 0 to 1 wt.-% Na2O, 0 to 1 wt.-% K2O, a maximum of 1 wt.-% of refining agents (As2O3, SP2O3) and a maximum of 500 ppm of other contaminants. The glass composition may be equal to the composition of the glass ceramic Zerodur(R) and allows to manufacture large transmission optics in a cost-effective way, has a maximum of transmittance which is in the range of a He-Ne lasers and has a CTE of about 3.10-6/K.</abstract><oa>free_for_read</oa></addata></record> |
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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 | Large transmissive optical component |
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