PRINTED CHEMICAL MECHANICAL POLISHING PAD HAVING CONTROLLED POROSITY
A method of fabricating a polishing pad includes determining a desired distribution of voids to be introduced within a polymer matrix of a polishing layer of the polishing pad. Electronic control signals configured to be read by a 3D printer are generated which specify the locations where a polymer...
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| creator | MURUGESH LAXMAN NARENDRNATH KADTHALA RAMAYA |
| description | A method of fabricating a polishing pad includes determining a desired distribution of voids to be introduced within a polymer matrix of a polishing layer of the polishing pad. Electronic control signals configured to be read by a 3D printer are generated which specify the locations where a polymer matrix precursor is to be deposited, and specify the locations of the desired distribution of voids where no material is to be deposited. A plurality of layers of the polymer matrix corresponding to the plurality of the first locations is successfully deposited with the 3D printer. Each layer of the plurality of layers of polymer matrix is deposited by ejecting a polymer matrix precursor from a nozzle. The polymer matrix precursor is solidified to form a solidified polymer matrix having the desired distribution of voids. |
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Electronic control signals configured to be read by a 3D printer are generated which specify the locations where a polymer matrix precursor is to be deposited, and specify the locations of the desired distribution of voids where no material is to be deposited. A plurality of layers of the polymer matrix corresponding to the plurality of the first locations is successfully deposited with the 3D printer. Each layer of the plurality of layers of polymer matrix is deposited by ejecting a polymer matrix precursor from a nozzle. The polymer matrix precursor is solidified to form a solidified polymer matrix having the desired distribution of voids.</description><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; DRESSING OR CONDITIONING OF ABRADING SURFACES ; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS ; GRINDING ; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; PERFORMING OPERATIONS ; POLISHING ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2015</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=20150625&DB=EPODOC&CC=US&NR=2015174826A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150625&DB=EPODOC&CC=US&NR=2015174826A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MURUGESH LAXMAN</creatorcontrib><creatorcontrib>NARENDRNATH KADTHALA RAMAYA</creatorcontrib><title>PRINTED CHEMICAL MECHANICAL POLISHING PAD HAVING CONTROLLED POROSITY</title><description>A method of fabricating a polishing pad includes determining a desired distribution of voids to be introduced within a polymer matrix of a polishing layer of the polishing pad. Electronic control signals configured to be read by a 3D printer are generated which specify the locations where a polymer matrix precursor is to be deposited, and specify the locations of the desired distribution of voids where no material is to be deposited. A plurality of layers of the polymer matrix corresponding to the plurality of the first locations is successfully deposited with the 3D printer. Each layer of the plurality of layers of polymer matrix is deposited by ejecting a polymer matrix precursor from a nozzle. The polymer matrix precursor is solidified to form a solidified polymer matrix having the desired distribution of voids.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>DRESSING OR CONDITIONING OF ABRADING SURFACES</subject><subject>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</subject><subject>GRINDING</subject><subject>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</subject><subject>PERFORMING OPERATIONS</subject><subject>POLISHING</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAJCPL0C3F1UXD2cPX1dHb0UfB1dfZw9AMzA_x9PIM9PP3cFQIcXRQ8HMNATGd_v5Agfx8foJ4A_yD_YM-QSB4G1rTEnOJUXijNzaDs5hri7KGbWpAfn1pckJicmpdaEh8abGRgaGpobmJhZOZoaEycKgAM0CzW</recordid><startdate>20150625</startdate><enddate>20150625</enddate><creator>MURUGESH LAXMAN</creator><creator>NARENDRNATH KADTHALA RAMAYA</creator><scope>EVB</scope></search><sort><creationdate>20150625</creationdate><title>PRINTED CHEMICAL MECHANICAL POLISHING PAD HAVING CONTROLLED POROSITY</title><author>MURUGESH LAXMAN ; NARENDRNATH KADTHALA RAMAYA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2015174826A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>DRESSING OR CONDITIONING OF ABRADING SURFACES</topic><topic>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</topic><topic>GRINDING</topic><topic>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</topic><topic>PERFORMING OPERATIONS</topic><topic>POLISHING</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>MURUGESH LAXMAN</creatorcontrib><creatorcontrib>NARENDRNATH KADTHALA RAMAYA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MURUGESH LAXMAN</au><au>NARENDRNATH KADTHALA RAMAYA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRINTED CHEMICAL MECHANICAL POLISHING PAD HAVING CONTROLLED POROSITY</title><date>2015-06-25</date><risdate>2015</risdate><abstract>A method of fabricating a polishing pad includes determining a desired distribution of voids to be introduced within a polymer matrix of a polishing layer of the polishing pad. Electronic control signals configured to be read by a 3D printer are generated which specify the locations where a polymer matrix precursor is to be deposited, and specify the locations of the desired distribution of voids where no material is to be deposited. A plurality of layers of the polymer matrix corresponding to the plurality of the first locations is successfully deposited with the 3D printer. Each layer of the plurality of layers of polymer matrix is deposited by ejecting a polymer matrix precursor from a nozzle. The polymer matrix precursor is solidified to form a solidified polymer matrix having the desired distribution of voids.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | PRINTED CHEMICAL MECHANICAL POLISHING PAD HAVING CONTROLLED POROSITY |
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