ALUMINUM NITRIDE-BASED POWDER AND METHOD FOR PRODUCING SAME
To provide an aluminum nitride-based powder that includes less amount of fine powder that is hard to be completely removed, has superior filling performance for a polymeric material, and also has thermal conductivity. The present invention relates to an aluminum nitride-based powder comprising alumi...
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| creator | HIGASHIMURA, Kazuya TANAKA, Takamasa NAKASHIMA, Katsumi KUSUI, Jun KANNO, Shuhei |
| description | To provide an aluminum nitride-based powder that includes less amount of fine powder that is hard to be completely removed, has superior filling performance for a polymeric material, and also has thermal conductivity. The present invention relates to an aluminum nitride-based powder comprising aluminum nitride-based particles, wherein (1) the average particle size D50 is 15 to 200 µm; (2) a content of particles having a particle size of at most 5 µm is at most 60% on a particle number basis; (3) a content of an alkaline earth metal element and a rare-earth element is at most 0.1 weight%; (4) a content of oxygen is at most 0.5 weight%; and (5) a content of silicon is at most 1000 ppm by weight, and a content of iron is at most 1000 ppm by weight. |
| format | Patent |
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The present invention relates to an aluminum nitride-based powder comprising aluminum nitride-based particles, wherein (1) the average particle size D50 is 15 to 200 µm; (2) a content of particles having a particle size of at most 5 µm is at most 60% on a particle number basis; (3) a content of an alkaline earth metal element and a rare-earth element is at most 0.1 weight%; (4) a content of oxygen is at most 0.5 weight%; and (5) a content of silicon is at most 1000 ppm by weight, and a content of iron is at most 1000 ppm by weight.</description><language>eng ; fre ; ger</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; COMPOUNDS THEREOF ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><creationdate>2020</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=20200408&DB=EPODOC&CC=EP&NR=3632843A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200408&DB=EPODOC&CC=EP&NR=3632843A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIGASHIMURA, Kazuya</creatorcontrib><creatorcontrib>TANAKA, Takamasa</creatorcontrib><creatorcontrib>NAKASHIMA, Katsumi</creatorcontrib><creatorcontrib>KUSUI, Jun</creatorcontrib><creatorcontrib>KANNO, Shuhei</creatorcontrib><title>ALUMINUM NITRIDE-BASED POWDER AND METHOD FOR PRODUCING SAME</title><description>To provide an aluminum nitride-based powder that includes less amount of fine powder that is hard to be completely removed, has superior filling performance for a polymeric material, and also has thermal conductivity. The present invention relates to an aluminum nitride-based powder comprising aluminum nitride-based particles, wherein (1) the average particle size D50 is 15 to 200 µm; (2) a content of particles having a particle size of at most 5 µm is at most 60% on a particle number basis; (3) a content of an alkaline earth metal element and a rare-earth element is at most 0.1 weight%; (4) a content of oxygen is at most 0.5 weight%; and (5) a content of silicon is at most 1000 ppm by weight, and a content of iron is at most 1000 ppm by weight.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>COMPOUNDS THEREOF</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLB29An19fQL9VXw8wwJ8nRx1XVyDHZ1UQjwD3dxDVJw9HNR8HUN8fB3UXDzD1IICPJ3CXX29HNXCHb0deVhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAcZmxkYWJsaOhsZEKAEAgd4oxA</recordid><startdate>20200408</startdate><enddate>20200408</enddate><creator>HIGASHIMURA, Kazuya</creator><creator>TANAKA, Takamasa</creator><creator>NAKASHIMA, Katsumi</creator><creator>KUSUI, Jun</creator><creator>KANNO, Shuhei</creator><scope>EVB</scope></search><sort><creationdate>20200408</creationdate><title>ALUMINUM NITRIDE-BASED POWDER AND METHOD FOR PRODUCING SAME</title><author>HIGASHIMURA, Kazuya ; TANAKA, Takamasa ; NAKASHIMA, Katsumi ; KUSUI, Jun ; KANNO, Shuhei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3632843A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2020</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>COMPOUNDS THEREOF</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>HIGASHIMURA, Kazuya</creatorcontrib><creatorcontrib>TANAKA, Takamasa</creatorcontrib><creatorcontrib>NAKASHIMA, Katsumi</creatorcontrib><creatorcontrib>KUSUI, Jun</creatorcontrib><creatorcontrib>KANNO, Shuhei</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HIGASHIMURA, Kazuya</au><au>TANAKA, Takamasa</au><au>NAKASHIMA, Katsumi</au><au>KUSUI, Jun</au><au>KANNO, Shuhei</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ALUMINUM NITRIDE-BASED POWDER AND METHOD FOR PRODUCING SAME</title><date>2020-04-08</date><risdate>2020</risdate><abstract>To provide an aluminum nitride-based powder that includes less amount of fine powder that is hard to be completely removed, has superior filling performance for a polymeric material, and also has thermal conductivity. The present invention relates to an aluminum nitride-based powder comprising aluminum nitride-based particles, wherein (1) the average particle size D50 is 15 to 200 µm; (2) a content of particles having a particle size of at most 5 µm is at most 60% on a particle number basis; (3) a content of an alkaline earth metal element and a rare-earth element is at most 0.1 weight%; (4) a content of oxygen is at most 0.5 weight%; and (5) a content of silicon is at most 1000 ppm by weight, and a content of iron is at most 1000 ppm by weight.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | ALUMINUM NITRIDE-BASED POWDER AND METHOD FOR PRODUCING SAME |
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