Source: http://www.google.com/patents/US8075729?dq=6,163,776
Timestamp: 2014-08-20 12:14:32
Document Index: 551618834

Matched Legal Cases: ['Application No. 2005', 'Application No. 095107311', 'application No. 200680006797', 'Application No. 200680006797', 'Application No. 11', 'Application No. 094135006', 'Application No. 095107311', 'Application No. 200510116536', 'Application No. 200510116536', 'Application No. 200510116536', 'Application No. 200510116536']

Patent US8075729 - Method and apparatus for controlling temperature of a substrate - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA pedestal assembly and method for controlling temperature of a substrate during processing is provided. In one embodiment, the pedestal assembly includes an electrostatic chuck coupled to a metallic base. The electrostatic chuck includes at least one chucking electrode and metallic base includes at...http://www.google.com/patents/US8075729?utm_source=gb-gplus-sharePatent US8075729 - Method and apparatus for controlling temperature of a substrateAdvanced Patent SearchPublication numberUS8075729 B2Publication typeGrantApplication numberUS 11/246,012Publication dateDec 13, 2011Filing dateOct 7, 2005Priority dateOct 7, 2004Also published asCN1779938A, CN1945807A, CN1945807B, US7544251, US20060076108, US20060076109, US20070102118Publication number11246012, 246012, US 8075729 B2, US 8075729B2, US-B2-8075729, US8075729 B2, US8075729B2InventorsJohn Holland, Theodoros PanagopoulosOriginal AssigneeApplied Materials, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (51), Non-Patent Citations (24), Referenced by (7), Classifications (12), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetMethod and apparatus for controlling temperature of a substrateUS 8075729 B2Abstract A pedestal assembly and method for controlling temperature of a substrate during processing is provided. In one embodiment, the pedestal assembly includes an electrostatic chuck coupled to a metallic base. The electrostatic chuck includes at least one chucking electrode and metallic base includes at least two fluidly isolated conduit loops disposed therein. In another embodiment, the pedestal assembly includes a support member that is coupled to a base by a material layer. The material layer has at least two regions having different coefficients of thermal conductivity. In another embodiment, the support member is an electrostatic chuck. In further embodiments, a pedestal assembly has channels formed between the base and support member for providing cooling gas in proximity to the material layer to further control heat transfer between the support member and the base, thereby controlling the temperature profile of a substrate disposed on the support member.
an electrostatic chuck having at least one chucking electrode; and
a metallic base coupled to the electrostatic chuck and having at least two isolated fluid conduit loops disposed therein; wherein the at least two isolated fluid conduit loops comprise an outer loop and an inner loop, wherein at least one of the inner loop or the outer loop is doubled back between an adjacent inlet and an outlet, and wherein an angular orientation of the inlet and outlet relative to a centerline of the base is offset; wherein doubled back comprises a first conduit portion extending from the inlet to a second conduit portion, the second conduit portion following the path of the first conduit portion back to the outlet in a side-by-side orientation such that flow in the second conduit portion flows counter to the flow in the first portion to the outlet.
an insert disposed between the conduit loops and having a coefficient of thermal conductivity less than a coefficient of thermal conductivity of the base.
3. The substrate pedestal assembly of claim 1, wherein the first conduit is substantially defined in an area of the base radially inward of the second conduit loop.
4. The substrate pedestal assembly of claim 1, wherein the base further comprises:
a channel formed in the base; and
a cap sealingly disposed in the channel to define one of the conduit loops.
5. The substrate pedestal assembly of claim 4, wherein the channel further comprises:
at least one fin extending from at least one of the cap or the base into a space defined by the channel.
6. The substrate pedestal assembly of claim 4, wherein the cap is continuously welded to the base.
7. The substrate pedestal assembly of claim 1 further comprising:
a first heater disposed in the electrostatic chuck; and
a second heater disposed in the base.
8. The substrate pedestal assembly of claim 1 further comprising:
at least one gas channel formed between the electrostatic chuck and the base.
a material having at least two regions of different thermal conductivity disposed between the electrostatic chuck and the base.
10. The substrate pedestal assembly of claim 1, wherein the conduit loops are orientated substantially parallel to a substrate support surface of the electrostatic chuck.
a chucking electrode disposed in the electrostatic chuck, wherein the electrostatic chuck is a ceramic electrostatic chuck; and
a heater disposed in at least one of the electrostatic chuck or the metallic base.
12. The substrate pedestal assembly of claim 11 further comprising:
an insert having a coefficient of thermal conductivity less than the base disposed between the first and second conduit loops.
13. The substrate pedestal assembly of claim 11 further comprising:
a second heater disposed in the metallic base, wherein the first heater is disposed in the electrostatic chuck.
14. The substrate pedestal assembly of claim 11 further comprising:
at least one gas channel formed between the electrostatic chuck and the metallic base.
15. The substrate pedestal assembly of claim 11 further comprising:
an adhesive material having at least two regions of different thermal conductivity disposed between the electrostatic chuck and the base.
16. The substrate pedestal assembly of claim 11, wherein the first conduit loop has an orientation substantially parallel to a support surface of the electrostatic chuck.
a metallic base disposed in the chamber body:
a ceramic electrostatic chuck coupled to the metallic base;
a chucking electrode disposed in the ceramic electrostatic chuck;
a heater disposed in at least one of the electrostatic chuck or the metallic base;
a first fluid conduit loop formed in the metallic base; and
a second fluid conduit loop formed in the metallic base and fluidly isolated from the first fluid conduit loop, the second fluid conduit loop laterally spaced inward of the first conduit loop, wherein at least one of the first fluid conduit loop or the second fluid conduit loop is doubled back between an adjacent inlet and an outlet; wherein doubled back comprises a first conduit portion extending from the inlet to a second conduit portion, the second conduit portion following the path of the first conduit portion back to the outlet in a side-by-side orientation such that flow in the second conduit portion flows counter to the flow in the first portion to the outlet; and
at least one fin extending into the at least one of the conduit loops.
18. The substrate pedestal assembly of claim 17 further comprising:
19. The substrate pedestal assembly of claim 17 further comprising:
20. The substrate pedestal assembly of claim 17 further comprising:
21. The substrate pedestal assembly of claim 17, wherein at least one of the inner loop or the outer loop is doubled back between an inlet and an outlet, and wherein an angular orientation of the inlet and outlet relative to a centerline of the base is offset.
22. The substrate pedestal assembly of claim 17 further comprising:
at least one fin extending into the at least one of the conduit loops. Description
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation-in-part application of U.S. patent application Ser. No. 10/960,874, Oct. 7, 2004, now U.S. Pat. No. 7,544,251 which is incorporated by reference herein.
In one embodiment of the invention, a substrate pedestal assembly is provided that includes an electrostatic chuck coupled to a metallic base. The electrostatic chuck includes at least one chucking electrode and metallic base includes at least two fluidly isolated conduit loops disposed therein.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS5838528Jun 26, 1997Nov 17, 1998Watkins-Johnson CompanyFor retaining a wafer in a processing chamberUS5846375 *Sep 26, 1996Dec 8, 1998Micron Technology, Inc.Area specific temperature control for electrode plates and chucks used in semiconductor processing equipmentUS6035101Mar 26, 1998Mar 7, 2000Applied Materials, Inc.High temperature multi-layered alloy heater assembly and related methodsUS6129046Feb 4, 1997Oct 10, 2000Anelva CorporationSubstrate processing apparatusUS6256187 *Jul 29, 1999Jul 3, 2001Tomoegawa Paper Co., Ltd.Electrostatic chuck deviceUS6310755 *May 7, 1999Oct 30, 2001Applied Materials, Inc.Electrostatic chuck having gas cavity and methodUS6392205 *Nov 29, 1999May 21, 2002Komatsu LimitedDisc heater and temperature control apparatusUS6482747Dec 22, 1998Nov 19, 2002Hitachi, Ltd.Plasma treatment method and plasma treatment apparatusUS6606234Sep 5, 2000Aug 12, 2003Saint-Gobain Ceramics & Plastics, Inc.Electrostatic chuck and method for forming an electrostatic chuck having porous regions for fluid flowUS6664738 *Feb 27, 2002Dec 16, 2003Hitachi, Ltd.Plasma processing apparatusUS6677167Mar 4, 2002Jan 13, 2004Hitachi High-Technologies CorporationWafer processing apparatus and a wafer stage and a wafer processing methodUS6793767Sep 14, 2001Sep 21, 2004Samsung Electronics Co., Ltd.Wafer stage including electrostatic chuck and method for dechucking wafer using the wafer stageUS6853533Jun 13, 2001Feb 8, 2005Applied Materials, Inc.Full area temperature controlled electrostatic chuck and method of fabricating sameUS7677199 *Dec 30, 2002Mar 16, 2010Lg Electronics Inc.Surface treatment system and methodUS7886687 *Dec 20, 2005Feb 15, 2011Advanced Display Process Engineering Co. Ltd.Plasma processing apparatusUS20010054389Jun 14, 2001Dec 27, 2001Yasumi SagoElectro-static chucking mechanism and surface processing apparatusUS20020021545Aug 10, 2001Feb 21, 2002Creative Technology Corp.Electrostatic chucking device and manufacturing method thereofUS20020050246Jun 13, 2001May 2, 2002Applied Materials, Inc.Full area temperature controlled electrostatic chuck and method of fabricating sameUS20020092471 *Jan 16, 2002Jul 18, 2002Samsung Electronics Co., Ltd.Semiconductor deposition apparatus and shower headUS20020170882 *Feb 26, 2002Nov 21, 2002Fuminori AkibaMethod and apparatus for supporting substrateUS20030089457Nov 13, 2001May 15, 2003Applied Materials, Inc.Apparatus for controlling a thermal conductivity profile for a pedestal in a semiconductor wafer processing chamberUS20030155079Nov 15, 1999Aug 21, 2003Andrew D. BaileyPlasma processing system with dynamic gas distribution controlUS20030164226 *Mar 4, 2002Sep 4, 2003Seiichiro KannoWafer processing apparatus and a wafer stage and a wafer processing methodUS20030230551Aug 21, 2002Dec 18, 2003Akira KagoshimaEtching system and etching methodUS20040061449Sep 26, 2003Apr 1, 2004Masatsugu AraiPlasma processing apparatusUS20040115947Nov 26, 2003Jun 17, 2004Tokyo Electron LimitedThermally zoned substrate holder assemblyUS20040185670Nov 12, 2003Sep 23, 2004Tokyo Electron LimitedProcessing system and method for treating a substrateUS20040187787Mar 31, 2003Sep 30, 2004Dawson Keith E.Substrate support having temperature controlled substrate support surfaceUS20040195216Aug 29, 2002Oct 7, 2004Strang Eric J.Apparatus and method for plasma processingUS20040212947Apr 22, 2003Oct 28, 2004Applied Materials, Inc.Substrate support having heat transfer systemUS20040261721Jun 30, 2003Dec 30, 2004Steger Robert J.Substrate support having dynamic temperature controlUS20050042881May 12, 2004Feb 24, 2005Tokyo Electron LimitedProcessing apparatusUS20060076108Oct 7, 2004Apr 13, 2006John HollandMethod and apparatus for controlling temperature of a substrateUS20060076109Oct 7, 2005Apr 13, 2006John HollandMethod and apparatus for controlling temperature of a substrateUS20060158821 *Jun 15, 2004Jul 20, 2006Kinya MiyashitaDipolar electrostatic chuckUS20070102118 *Nov 27, 2006May 10, 2007John HollandMethod and apparatus for controlling temperature of a substrateUS20070139856 *Sep 13, 2006Jun 21, 2007Applied Materials, Inc.Method and apparatus for controlling temperature of a substrateUS20070258186Apr 26, 2007Nov 8, 2007Applied Materials, IncSubstrate support with electrostatic chuck having dual temperature zonesCN2585414YNov 8, 2002Nov 5, 2003冯自平Heat sink having even temp. channelJP2001210581A Title not availableJP2002009064A Title not availableJP2003243490A Title not availableJP2004055779A Title not availableJPH091770A Title not availableJPH10209257A Title not availableTW224634B Title not availableTW225896B Title not availableTW508716B Title not availableTW526521B Title not availableTW582050B Title not availableWO2006022997A2Jun 10, 2005Mar 2, 2006Hamamoto ShinjiMethod and system for substrate temperature profile control* Cited by examinerNon-Patent CitationsReference1 *Claims co-pending U.S. Appl. No. 11/740,869, filed Apr. 26, 2007.2 *Claims co-pending U.S. Appl. No. 11/778,019, filed Jul. 14, 2007.3International Search Report for PCT/US 06/07525, priority date Mar. 3, 2005.4International Search Report for PCT/US 06/07525.5MICRO: Jun. 1997: Equipment Management Strategies, by Robert K. Waits (p. 81), "Monitoring residual and process gases in PVD processes: The improtance of sensitivity".6Notice of Reasons for Rejection letter of Japanese Application No. 2005-295533, dated Jul. 7, 2009.7Notice of Reasons For Rejection letter of Japanese Application No. P2005-295533, dated Nov. 10, 2009.8Official Letter dated Aug. 21, 2009 for Taiwan Patent Application No. 095107311. (APPM/009259 TAIW 02).9Official Letter dated May 14, 2010 from Chinese Patent Office for corresponding Chinese Patent application No. 200680006797.10Official Letter dated Sep. 5, 2008, from Chinese Patent Office for corresponding Chinese Patent Application No. 200680006797.X.11Official letter of German Patent Application No. 11 2006000327.5-54, dated Aug. 25, 2010. English translation of foreign reference is provided.12Official letter of Taiwanese Patent Application No. 094135006, dated Jun. 10, 2009. Provides translation of foreign reference, TW 508716 and TW 526521.13Prosecution history of U.S. Appl. No. 10/960,874, filed Jan. 3, 2011.14Prosecution history of U.S. Appl. No. 10/960,874, filed Oct. 1, 2009.15Prosecution history of U.S. Appl. No. 11/367,004, filed Jan. 3, 2011.16Prosecution history of U.S. Appl. No. 11/367,004, filed Oct. 1, 2009.17Prosecution history of U.S. Appl. No. 11/531,474, filed Jan. 3, 2011.18Prosecution history of U.S. Appl. No. 11/531,474, filed Oct. 1, 2009.19Search Report dated Jul. 13, 2009 Taiwan Application No. 095107311. (APPM/009259 TAIW 02).20Second Office Action for Chinese Application No. 200510116536.0, May 30, 2008, consists of seven pages (1-3 and 1-4) (APPM/9259 CN)-provides a concise explanation of relevance for B1.21Second Office Action for Chinese Application No. 200510116536.0, May 30, 2008, consists of seven pages (1-3 and 1-4) (APPM/9259 CN)�provides a concise explanation of relevance for B1.22Translation of Chinese Office Action for CN Application No. 200510116536.0, consists of 10 unnumbered pages, date of issue: Aug. 31, 2007.23Translation of Chinese Office Action for CN Application No. 200510116536.0, consists of 10 unnumbered pages.24Wait, R.K.. Monitoring residual and process gases in PVD processes: The Importance of sensitivity. Micromagazine, Jun. 1997.* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS8329586Nov 18, 2010Dec 11, 2012Applied Materials, Inc.Method of processing a workpiece in a plasma reactor using feed forward thermal controlUS8337660 *Aug 12, 2010Dec 25, 2012B/E Aerospace, Inc.Capacitively coupled plasma reactor having very agile wafer temperature controlUS8608900Apr 21, 2006Dec 17, 2013B/E Aerospace, Inc.Plasma reactor with feed forward thermal control system using a thermal model for accommodating RF power changes or wafer temperature changesUS8709162 *Aug 16, 2005Apr 29, 2014Applied Materials, Inc.Active cooling substrate supportUS20070039942 *Aug 16, 2005Feb 22, 2007Applied Materials, Inc.Active cooling substrate supportUS20100303680 *Aug 12, 2010Dec 2, 2010Buchberger Douglas A JrCapacitively coupled plasma reactor having very agile wafer temperature controlUS20110154843 *Dec 3, 2010Jun 30, 2011Ko SungyongApparatus for controlling temperature of electrostatic chuck comprising two-stage refrigerant fluid channel* Cited by examinerClassifications U.S. Classification156/345.27, 118/724, 279/128, 361/234International ClassificationC23C16/00, H01L21/68Cooperative ClassificationH01L21/67248, H01L21/67103, H01L21/6831European ClassificationH01L21/67S8A, H01L21/67S2H2, H01L21/683CLegal EventsDateCodeEventDescriptionNov 10, 2005ASAssignmentOwner name: APPLIED MATERIALS, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HOLLAND, JOHN;PANAGOPOULOS, THEODOROS;REEL/FRAME:016763/0542;SIGNING DATES FROM 20051012 TO 20051102Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HOLLAND, JOHN;PANAGOPOULOS, THEODOROS;SIGNING DATES FROM20051012 TO 20051102;REEL/FRAME:016763/0542RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google