Apparatus and methods of chemical mechanical polishing
Disclosed are apparatus and methods of chemical mechanical polishing a semiconductor wafer to minimize formation of scratches on a surface of a wafer. According to one example, a method of planarizing a pattern of a wafer by rotating the wafer that is fixed to a carrier head, on a polishing pad by p...
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| creator | LEE JI MYONG |
| description | Disclosed are apparatus and methods of chemical mechanical polishing a semiconductor wafer to minimize formation of scratches on a surface of a wafer. According to one example, a method of planarizing a pattern of a wafer by rotating the wafer that is fixed to a carrier head, on a polishing pad by pressing the wafer against the polishing pad and injecting slurry onto the polishing pad is disclosed. The method may include performing a first planarization process by injecting the slurry onto the polishing pad and rotating the wafer as the wafer contacts the polishing pad and performing a second planarization process during which the wafer is spaced apart from the polishing pad at a given spacing, wherein air is injected into the polishing pad to produce bubbles in the slurry on the polishing pad while the wafer is rotated. |
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According to one example, a method of planarizing a pattern of a wafer by rotating the wafer that is fixed to a carrier head, on a polishing pad by pressing the wafer against the polishing pad and injecting slurry onto the polishing pad is disclosed. The method may include performing a first planarization process by injecting the slurry onto the polishing pad and rotating the wafer as the wafer contacts the polishing pad and performing a second planarization process during which the wafer is spaced apart from the polishing pad at a given spacing, wherein air is injected into the polishing pad to produce bubbles in the slurry on the polishing pad while the wafer is rotated.</description><edition>7</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; DRESSING OR CONDITIONING OF ABRADING SURFACES ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; GRINDING ; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; PERFORMING OPERATIONS ; POLISHING ; SEMICONDUCTOR DEVICES ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS ; TRANSPORTING</subject><creationdate>2004</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=20040701&DB=EPODOC&CC=US&NR=2004127051A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040701&DB=EPODOC&CC=US&NR=2004127051A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEE JI MYONG</creatorcontrib><title>Apparatus and methods of chemical mechanical polishing</title><description>Disclosed are apparatus and methods of chemical mechanical polishing a semiconductor wafer to minimize formation of scratches on a surface of a wafer. According to one example, a method of planarizing a pattern of a wafer by rotating the wafer that is fixed to a carrier head, on a polishing pad by pressing the wafer against the polishing pad and injecting slurry onto the polishing pad is disclosed. The method may include performing a first planarization process by injecting the slurry onto the polishing pad and rotating the wafer as the wafer contacts the polishing pad and performing a second planarization process during which the wafer is spaced apart from the polishing pad at a given spacing, wherein air is injected into the polishing pad to produce bubbles in the slurry on the polishing pad while the wafer is rotated.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>DRESSING OR CONDITIONING OF ABRADING SURFACES</subject><subject>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>GRINDING</subject><subject>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</subject><subject>PERFORMING OPERATIONS</subject><subject>POLISHING</subject><subject>SEMICONDUCTOR DEVICES</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDBzLChILEosKS1WSMxLUchNLcnITylWyE9TSM5Izc1MTswBiiVnJOaBmQX5OZnFGZl56TwMrGmJOcWpvFCam0HZzTXE2UM3tSA_PrW4IDE5NS-1JD402MjAwMTQyNzA1NDR0Jg4VQBR6y5y</recordid><startdate>20040701</startdate><enddate>20040701</enddate><creator>LEE JI MYONG</creator><scope>EVB</scope></search><sort><creationdate>20040701</creationdate><title>Apparatus and methods of chemical mechanical polishing</title><author>LEE JI MYONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2004127051A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2004</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>DRESSING OR CONDITIONING OF ABRADING SURFACES</topic><topic>ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>GRINDING</topic><topic>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</topic><topic>PERFORMING OPERATIONS</topic><topic>POLISHING</topic><topic>SEMICONDUCTOR DEVICES</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>LEE JI MYONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LEE JI MYONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Apparatus and methods of chemical mechanical polishing</title><date>2004-07-01</date><risdate>2004</risdate><abstract>Disclosed are apparatus and methods of chemical mechanical polishing a semiconductor wafer to minimize formation of scratches on a surface of a wafer. According to one example, a method of planarizing a pattern of a wafer by rotating the wafer that is fixed to a carrier head, on a polishing pad by pressing the wafer against the polishing pad and injecting slurry onto the polishing pad is disclosed. The method may include performing a first planarization process by injecting the slurry onto the polishing pad and rotating the wafer as the wafer contacts the polishing pad and performing a second planarization process during which the wafer is spaced apart from the polishing pad at a given spacing, wherein air is injected into the polishing pad to produce bubbles in the slurry on the polishing pad while the wafer is rotated.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS DRESSING OR CONDITIONING OF ABRADING SURFACES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING |
| title | Apparatus and methods of chemical mechanical polishing |
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