TEMPERATURE CONTROL IN PLASMA PROCESSING APPARATUS USING PULSED HEAT TRANSFER FLUID FLOW
Methods and systems for controlling temperatures in plasma processing chamber via pulsed application of heating power and pulsed application of cooling power. In an embodiment, temperature control is based at least in part on a feedforward control signal derived from a plasma power input into the pr...
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| creator | MERRY WALTER R ZHOU XIAOPING MAHADESWARASWAMY CHETAN SILVEIRA FERNANDO M MAYS BRAD L PATTAR YASHASWINI B TSONG TINA NEVIL SHANE C TAVASSOLI HAMID BUCHBERGER DOUGLAS A NGUYEN DUY D |
| description | Methods and systems for controlling temperatures in plasma processing chamber via pulsed application of heating power and pulsed application of cooling power. In an embodiment, temperature control is based at least in part on a feedforward control signal derived from a plasma power input into the processing chamber. In further embodiments, fluid levels in each of a hot and cold reservoir coupled to the temperature controlled component are maintained in part by a passive leveling pipe coupling the two reservoirs. In another embodiment, digital heat transfer fluid flow control valves are opened with pulse widths dependent on a heating/cooling duty cycle value and a proportioning cycle having a duration that has been found to provide good temperature control performance. |
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In an embodiment, temperature control is based at least in part on a feedforward control signal derived from a plasma power input into the processing chamber. In further embodiments, fluid levels in each of a hot and cold reservoir coupled to the temperature controlled component are maintained in part by a passive leveling pipe coupling the two reservoirs. In another embodiment, digital heat transfer fluid flow control valves are opened with pulse widths dependent on a heating/cooling duty cycle value and a proportioning cycle having a duration that has been found to provide good temperature control performance.</description><language>eng</language><subject>APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL ; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ; BLASTING ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; 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 ; HEAT EXCHANGE IN GENERAL ; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT ; HEATING ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; PERFORMING OPERATIONS ; SPRAYING OR ATOMISING IN GENERAL ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TRANSPORTING ; WEAPONS</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=20120531&DB=EPODOC&CC=US&NR=2012132397A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120531&DB=EPODOC&CC=US&NR=2012132397A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MERRY WALTER R</creatorcontrib><creatorcontrib>ZHOU XIAOPING</creatorcontrib><creatorcontrib>MAHADESWARASWAMY CHETAN</creatorcontrib><creatorcontrib>SILVEIRA FERNANDO M</creatorcontrib><creatorcontrib>MAYS BRAD L</creatorcontrib><creatorcontrib>PATTAR YASHASWINI B</creatorcontrib><creatorcontrib>TSONG TINA</creatorcontrib><creatorcontrib>NEVIL SHANE C</creatorcontrib><creatorcontrib>TAVASSOLI HAMID</creatorcontrib><creatorcontrib>BUCHBERGER DOUGLAS A</creatorcontrib><creatorcontrib>NGUYEN DUY D</creatorcontrib><title>TEMPERATURE CONTROL IN PLASMA PROCESSING APPARATUS USING PULSED HEAT TRANSFER FLUID FLOW</title><description>Methods and systems for controlling temperatures in plasma processing chamber via pulsed application of heating power and pulsed application of cooling power. In an embodiment, temperature control is based at least in part on a feedforward control signal derived from a plasma power input into the processing chamber. In further embodiments, fluid levels in each of a hot and cold reservoir coupled to the temperature controlled component are maintained in part by a passive leveling pipe coupling the two reservoirs. In another embodiment, digital heat transfer fluid flow control valves are opened with pulse widths dependent on a heating/cooling duty cycle value and a proportioning cycle having a duration that has been found to provide good temperature control performance.</description><subject>APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL</subject><subject>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL</subject><subject>BLASTING</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>HEAT EXCHANGE IN GENERAL</subject><subject>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT</subject><subject>HEATING</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>SPRAYING OR ATOMISING IN GENERAL</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNissKwjAQAHPxIOo_LHgWbHIQj0u7sYE0CdmEeitF4km0UP8fH_gBXmYYmKU4J-oCRUw5EtTepegtGAfBIncIIfqamI07AYaAn48hfztky9RAS5ggRXSsKYK22TRv-n4tFtfxNpfNzyux1ZTqdlemx1DmabyUe3kOmeW-kpWS6njASv13vQDxPDKH</recordid><startdate>20120531</startdate><enddate>20120531</enddate><creator>MERRY WALTER R</creator><creator>ZHOU XIAOPING</creator><creator>MAHADESWARASWAMY CHETAN</creator><creator>SILVEIRA FERNANDO M</creator><creator>MAYS BRAD L</creator><creator>PATTAR YASHASWINI B</creator><creator>TSONG TINA</creator><creator>NEVIL SHANE C</creator><creator>TAVASSOLI HAMID</creator><creator>BUCHBERGER DOUGLAS A</creator><creator>NGUYEN DUY D</creator><scope>EVB</scope></search><sort><creationdate>20120531</creationdate><title>TEMPERATURE CONTROL IN PLASMA PROCESSING APPARATUS USING PULSED HEAT TRANSFER FLUID FLOW</title><author>MERRY WALTER R ; ZHOU XIAOPING ; MAHADESWARASWAMY CHETAN ; SILVEIRA FERNANDO M ; MAYS BRAD L ; PATTAR YASHASWINI B ; TSONG TINA ; NEVIL SHANE C ; TAVASSOLI HAMID ; BUCHBERGER DOUGLAS A ; NGUYEN DUY D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2012132397A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</creationdate><topic>APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL</topic><topic>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL</topic><topic>BLASTING</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>HEAT EXCHANGE IN GENERAL</topic><topic>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT</topic><topic>HEATING</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>SPRAYING OR ATOMISING IN GENERAL</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MERRY WALTER R</creatorcontrib><creatorcontrib>ZHOU XIAOPING</creatorcontrib><creatorcontrib>MAHADESWARASWAMY CHETAN</creatorcontrib><creatorcontrib>SILVEIRA FERNANDO M</creatorcontrib><creatorcontrib>MAYS BRAD L</creatorcontrib><creatorcontrib>PATTAR YASHASWINI B</creatorcontrib><creatorcontrib>TSONG TINA</creatorcontrib><creatorcontrib>NEVIL SHANE C</creatorcontrib><creatorcontrib>TAVASSOLI HAMID</creatorcontrib><creatorcontrib>BUCHBERGER DOUGLAS A</creatorcontrib><creatorcontrib>NGUYEN DUY D</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MERRY WALTER R</au><au>ZHOU XIAOPING</au><au>MAHADESWARASWAMY CHETAN</au><au>SILVEIRA FERNANDO M</au><au>MAYS BRAD L</au><au>PATTAR YASHASWINI B</au><au>TSONG TINA</au><au>NEVIL SHANE C</au><au>TAVASSOLI HAMID</au><au>BUCHBERGER DOUGLAS A</au><au>NGUYEN DUY D</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TEMPERATURE CONTROL IN PLASMA PROCESSING APPARATUS USING PULSED HEAT TRANSFER FLUID FLOW</title><date>2012-05-31</date><risdate>2012</risdate><abstract>Methods and systems for controlling temperatures in plasma processing chamber via pulsed application of heating power and pulsed application of cooling power. In an embodiment, temperature control is based at least in part on a feedforward control signal derived from a plasma power input into the processing chamber. In further embodiments, fluid levels in each of a hot and cold reservoir coupled to the temperature controlled component are maintained in part by a passive leveling pipe coupling the two reservoirs. In another embodiment, digital heat transfer fluid flow control valves are opened with pulse widths dependent on a heating/cooling duty cycle value and a proportioning cycle having a duration that has been found to provide good temperature control performance.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY 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 HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WEAPONS |
| title | TEMPERATURE CONTROL IN PLASMA PROCESSING APPARATUS USING PULSED HEAT TRANSFER FLUID FLOW |
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