POLISHING COMPOUND AND METHOD FOR POLISHING SUBSTRATE
polishing slurry and a polishing method which are suitably used in a CMP technique for flattening a surface of a substrate in a production process of a semiconductor device. The polishing slurry comprises particles and a medium in which at least a part of the particles are dispersed, wherein the par...
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| creator | MACHII, YOUICHI YOSHIDA, MASATO KOYAMA, NAOYUKI NISHIYAMA, MASAYA |
| description | polishing slurry and a polishing method which are suitably used in a CMP technique for flattening a surface of a substrate in a production process of a semiconductor device. The polishing slurry comprises particles and a medium in which at least a part of the particles are dispersed, wherein the particles are made of at least one of (1) a cerium compound selected from cerium oxide, cerium halide and cerium sulfide and having a density of 3 to 6 g/cm 3 and an average particle diameter of secondary particles of 1 to 300 nm and (2) a tetravalent metal hydroxide. A polishing method using the polishing slurry takes advantage of a chemical action of particles in the polishing slurry and minimizes a mechanical action of the particles, thereby achieving a decrease in scratches caused by the particles and an increase in polishing rate at the same time. |
| format | Patent |
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The polishing slurry comprises particles and a medium in which at least a part of the particles are dispersed, wherein the particles are made of at least one of (1) a cerium compound selected from cerium oxide, cerium halide and cerium sulfide and having a density of 3 to 6 g/cm 3 and an average particle diameter of secondary particles of 1 to 300 nm and (2) a tetravalent metal hydroxide. A polishing method using the polishing slurry takes advantage of a chemical action of particles in the polishing slurry and minimizes a mechanical action of the particles, thereby achieving a decrease in scratches caused by the particles and an increase in polishing rate at the same time.</description><language>eng ; fre ; ger</language><subject>ADHESIVES ; BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; DRESSING OR CONDITIONING OF ABRADING SURFACES ; DYES ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS ; GRINDING ; INORGANIC CHEMISTRY ; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; PERFORMING OPERATIONS ; POLISHES ; POLISHING ; POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH ; SEMICONDUCTOR DEVICES ; SKI WAXES ; TRANSPORTING</subject><creationdate>2012</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=20120627&DB=EPODOC&CC=EP&NR=1369906B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120627&DB=EPODOC&CC=EP&NR=1369906B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MACHII, YOUICHI</creatorcontrib><creatorcontrib>YOSHIDA, MASATO</creatorcontrib><creatorcontrib>KOYAMA, NAOYUKI</creatorcontrib><creatorcontrib>NISHIYAMA, MASAYA</creatorcontrib><title>POLISHING COMPOUND AND METHOD FOR POLISHING SUBSTRATE</title><description>polishing slurry and a polishing method which are suitably used in a CMP technique for flattening a surface of a substrate in a production process of a semiconductor device. The polishing slurry comprises particles and a medium in which at least a part of the particles are dispersed, wherein the particles are made of at least one of (1) a cerium compound selected from cerium oxide, cerium halide and cerium sulfide and having a density of 3 to 6 g/cm 3 and an average particle diameter of secondary particles of 1 to 300 nm and (2) a tetravalent metal hydroxide. A polishing method using the polishing slurry takes advantage of a chemical action of particles in the polishing slurry and minimizes a mechanical action of the particles, thereby achieving a decrease in scratches caused by the particles and an increase in polishing rate at the same time.</description><subject>ADHESIVES</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</subject><subject>DRESSING OR CONDITIONING OF ABRADING SURFACES</subject><subject>DYES</subject><subject>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</subject><subject>GRINDING</subject><subject>INORGANIC CHEMISTRY</subject><subject>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</subject><subject>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>PERFORMING OPERATIONS</subject><subject>POLISHES</subject><subject>POLISHING</subject><subject>POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH</subject><subject>SEMICONDUCTOR DEVICES</subject><subject>SKI WAXES</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAN8PfxDPbw9HNXcPb3DfAP9XNRcARiX9cQD38XBTf_IAWEiuBQp-CQIMcQVx4G1rTEnOJUXijNzaDg5hri7KGbWpAfn1pckJicmpdaEu8aYGhsZmlpYOZkaEyEEgC3GCeB</recordid><startdate>20120627</startdate><enddate>20120627</enddate><creator>MACHII, YOUICHI</creator><creator>YOSHIDA, MASATO</creator><creator>KOYAMA, NAOYUKI</creator><creator>NISHIYAMA, MASAYA</creator><scope>EVB</scope></search><sort><creationdate>20120627</creationdate><title>POLISHING COMPOUND AND METHOD FOR POLISHING SUBSTRATE</title><author>MACHII, YOUICHI ; YOSHIDA, MASATO ; KOYAMA, NAOYUKI ; NISHIYAMA, MASAYA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1369906B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2012</creationdate><topic>ADHESIVES</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</topic><topic>DRESSING OR CONDITIONING OF ABRADING SURFACES</topic><topic>DYES</topic><topic>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</topic><topic>GRINDING</topic><topic>INORGANIC CHEMISTRY</topic><topic>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</topic><topic>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>PERFORMING OPERATIONS</topic><topic>POLISHES</topic><topic>POLISHING</topic><topic>POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH</topic><topic>SEMICONDUCTOR DEVICES</topic><topic>SKI WAXES</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>MACHII, YOUICHI</creatorcontrib><creatorcontrib>YOSHIDA, MASATO</creatorcontrib><creatorcontrib>KOYAMA, NAOYUKI</creatorcontrib><creatorcontrib>NISHIYAMA, MASAYA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MACHII, YOUICHI</au><au>YOSHIDA, MASATO</au><au>KOYAMA, NAOYUKI</au><au>NISHIYAMA, MASAYA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POLISHING COMPOUND AND METHOD FOR POLISHING SUBSTRATE</title><date>2012-06-27</date><risdate>2012</risdate><abstract>polishing slurry and a polishing method which are suitably used in a CMP technique for flattening a surface of a substrate in a production process of a semiconductor device. The polishing slurry comprises particles and a medium in which at least a part of the particles are dispersed, wherein the particles are made of at least one of (1) a cerium compound selected from cerium oxide, cerium halide and cerium sulfide and having a density of 3 to 6 g/cm 3 and an average particle diameter of secondary particles of 1 to 300 nm and (2) a tetravalent metal hydroxide. A polishing method using the polishing slurry takes advantage of a chemical action of particles in the polishing slurry and minimizes a mechanical action of the particles, thereby achieving a decrease in scratches caused by the particles and an increase in polishing rate at the same time.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS DRESSING OR CONDITIONING OF ABRADING SURFACES DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING INORGANIC CHEMISTRY MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS POLISHES POLISHING POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH SEMICONDUCTOR DEVICES SKI WAXES TRANSPORTING |
| title | POLISHING COMPOUND AND METHOD FOR POLISHING SUBSTRATE |
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