Low thermal expansion ceramic and member for exposure system
−6A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group consisting of cordierite, spodumene and eucryptite and 0.1 vol % to 40 vol % of at least one selected fr...
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creator | Yoshitomi, Yasuki Arahori, Tadahisa |
description | −6A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group consisting of cordierite, spodumene and eucryptite and 0.1 vol % to 40 vol % of at least one selected from the group consisting of carbides, nitrides, borides and silicides of group IVa elements, group Va elements and group VIa elements, and boron carbide. The ceramic has a porosity of 0.5% or less and a thermal expansion coefficient, at 10° C. to 40° C., of 1.5×10/° C. or less. |
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The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group consisting of cordierite, spodumene and eucryptite and 0.1 vol % to 40 vol % of at least one selected from the group consisting of carbides, nitrides, borides and silicides of group IVa elements, group Va elements and group VIa elements, and boron carbide. The ceramic has a porosity of 0.5% or less and a thermal expansion coefficient, at 10° C. to 40° C., of 1.5×10/° C. or less.</description><language>eng</language><creationdate>2006</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7112549$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,780,802,885,64039</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7112549$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Yoshitomi, Yasuki</creatorcontrib><creatorcontrib>Arahori, Tadahisa</creatorcontrib><creatorcontrib>Sumitomo Metal Industries, Ltd</creatorcontrib><title>Low thermal expansion ceramic and member for exposure system</title><description>−6A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group consisting of cordierite, spodumene and eucryptite and 0.1 vol % to 40 vol % of at least one selected from the group consisting of carbides, nitrides, borides and silicides of group IVa elements, group Va elements and group VIa elements, and boron carbide. The ceramic has a porosity of 0.5% or less and a thermal expansion coefficient, at 10° C. to 40° C., of 1.5×10/° C. or less.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZLDxyS9XKMlILcpNzFFIrShIzCvOzM9TSE4tSszNTFZIzEtRyE3NTUotUkjLLwIpyC8uLUpVKK4sLknN5WFgTUvMKU7lhdLcDApuriHOHrqlxQWJJal5JcXx6UWJIMrA3NDQyNTE0pgIJQDGCzDl</recordid><startdate>20060926</startdate><enddate>20060926</enddate><creator>Yoshitomi, Yasuki</creator><creator>Arahori, Tadahisa</creator><scope>EFH</scope></search><sort><creationdate>20060926</creationdate><title>Low thermal expansion ceramic and member for exposure system</title><author>Yoshitomi, Yasuki ; Arahori, Tadahisa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_071125493</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2006</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Yoshitomi, Yasuki</creatorcontrib><creatorcontrib>Arahori, Tadahisa</creatorcontrib><creatorcontrib>Sumitomo Metal Industries, Ltd</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yoshitomi, Yasuki</au><au>Arahori, Tadahisa</au><aucorp>Sumitomo Metal Industries, Ltd</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Low thermal expansion ceramic and member for exposure system</title><date>2006-09-26</date><risdate>2006</risdate><abstract>−6A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group consisting of cordierite, spodumene and eucryptite and 0.1 vol % to 40 vol % of at least one selected from the group consisting of carbides, nitrides, borides and silicides of group IVa elements, group Va elements and group VIa elements, and boron carbide. The ceramic has a porosity of 0.5% or less and a thermal expansion coefficient, at 10° C. to 40° C., of 1.5×10/° C. or less.</abstract><oa>free_for_read</oa></addata></record> |
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title | Low thermal expansion ceramic and member for exposure system |
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