LOW TEMPERATURE CVD CHAMBER CLEANING USING DILUTE NF3
This invention relates to an improvement in in-situ cleaning of deposition byproducts in low temperature Plasma Enhanced Chemical Vapor Deposition (PECVD) chambers and hardware therein where process thermal budgets require minimization of the susceptor temperature rise. In the basic in situ PECVD pr...
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| creator | RIDGEWAY ROBERT GORDON MAROULIS PETER JAMES JI BING |
| description | This invention relates to an improvement in in-situ cleaning of deposition byproducts in low temperature Plasma Enhanced Chemical Vapor Deposition (PECVD) chambers and hardware therein where process thermal budgets require minimization of the susceptor temperature rise. In the basic in situ PECVD process, a cleaning gas is introduced to the chamber for a time and temperature sufficient to remove films of the deposition byproducts and then the cleaning gas containing deposition byproducts removed from said PECVD chamber. The improvement for minimizing the susceptor temperature rise in a low temperature PECVD chamber during cleaning comprises: employing a cleaning gas consisting essentially of NF3 for cleaning and diluted with a sufficient amount of helium to carry away the heat developed during cleaning of the Plasma Enhanced Low Temperature Chemical Vapor Deposition chamber. The susceptor is maintained at 150 DEG C or below. |
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In the basic in situ PECVD process, a cleaning gas is introduced to the chamber for a time and temperature sufficient to remove films of the deposition byproducts and then the cleaning gas containing deposition byproducts removed from said PECVD chamber. The improvement for minimizing the susceptor temperature rise in a low temperature PECVD chamber during cleaning comprises: employing a cleaning gas consisting essentially of NF3 for cleaning and diluted with a sufficient amount of helium to carry away the heat developed during cleaning of the Plasma Enhanced Low Temperature Chemical Vapor Deposition chamber. The susceptor is maintained at 150 DEG C or below.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; CLEANING ; CLEANING IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 ; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE ; PERFORMING OPERATIONS ; PREVENTION OF FOULING IN GENERAL ; SEMICONDUCTOR DEVICES ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TRANSPORTING</subject><creationdate>2006</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060517&DB=EPODOC&CC=KR&NR=20060046021A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060517&DB=EPODOC&CC=KR&NR=20060046021A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RIDGEWAY ROBERT GORDON</creatorcontrib><creatorcontrib>MAROULIS PETER JAMES</creatorcontrib><creatorcontrib>JI BING</creatorcontrib><title>LOW TEMPERATURE CVD CHAMBER CLEANING USING DILUTE NF3</title><description>This invention relates to an improvement in in-situ cleaning of deposition byproducts in low temperature Plasma Enhanced Chemical Vapor Deposition (PECVD) chambers and hardware therein where process thermal budgets require minimization of the susceptor temperature rise. In the basic in situ PECVD process, a cleaning gas is introduced to the chamber for a time and temperature sufficient to remove films of the deposition byproducts and then the cleaning gas containing deposition byproducts removed from said PECVD chamber. The improvement for minimizing the susceptor temperature rise in a low temperature PECVD chamber during cleaning comprises: employing a cleaning gas consisting essentially of NF3 for cleaning and diluted with a sufficient amount of helium to carry away the heat developed during cleaning of the Plasma Enhanced Low Temperature Chemical Vapor Deposition chamber. 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In the basic in situ PECVD process, a cleaning gas is introduced to the chamber for a time and temperature sufficient to remove films of the deposition byproducts and then the cleaning gas containing deposition byproducts removed from said PECVD chamber. The improvement for minimizing the susceptor temperature rise in a low temperature PECVD chamber during cleaning comprises: employing a cleaning gas consisting essentially of NF3 for cleaning and diluted with a sufficient amount of helium to carry away the heat developed during cleaning of the Plasma Enhanced Low Temperature Chemical Vapor Deposition chamber. The susceptor is maintained at 150 DEG C or below.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING CLEANING IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING |
| title | LOW TEMPERATURE CVD CHAMBER CLEANING USING DILUTE NF3 |
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