Source: http://www.google.com/patents/US6042700?dq=oakley+D523,461&ei=qiI4T-CjGqXf0QHz_PSUCA
Timestamp: 2015-03-02 11:32:25
Document Index: 338228862

Matched Legal Cases: ['application No. 96308251', 'Application No. 9704107', 'Application No. 9704107', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08']

Patent US6042700 - In first interval, sputtering material primarily from first disk-shaped ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA plasma chamber in a semiconductor fabrication system uses a two step process to sputter deposit material onto a substrate. The first step provides a power ratio of RF power to DC power optimized to increase uniformity of deposition of material onto a workpiece from a first target. A second step involves...http://www.google.com/patents/US6042700?utm_source=gb-gplus-sharePatent US6042700 - In first interval, sputtering material primarily from first disk-shaped target onto workpiece, in second interval sputtering from second ring-shaped target which is coil coupling radio frequency energyAdvanced Patent SearchPublication numberUS6042700 APublication typeGrantApplication numberUS 08/929,829Publication dateMar 28, 2000Filing dateSep 15, 1997Priority dateSep 15, 1997Fee statusPaidAlso published asEP1018139A1, WO1999014792A1Publication number08929829, 929829, US 6042700 A, US 6042700A, US-A-6042700, US6042700 A, US6042700AInventorsPraburam Gopalraja, Murali NarasimhanOriginal AssigneeApplied Materials, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (97), Non-Patent Citations (56), Referenced by (35), Classifications (22), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetIn first interval, sputtering material primarily from first disk-shaped target onto workpiece, in second interval sputtering from second ring-shaped target which is coil coupling radio frequency energy
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS3594295 *Sep 19, 1966Jul 20, 1971Physics Technology Lab IncRf sputtering of insulator materialsUS4336118 *Mar 21, 1980Jun 22, 1982Battelle Memorial InstituteMethods for making deposited films with improved microstructuresUS4362632 *Aug 2, 1974Dec 7, 1982Lfe CorporationGas discharge apparatusUS4441974 *Apr 28, 1983Apr 10, 1984Tokyo Shibaura Denki Kabushiki KaishaMagnetron sputtering apparatusUS4495221 *Oct 26, 1982Jan 22, 1985Signetics CorporationAluminum, copper, silicon, to reduce tunnelling and thinningUS4626312 *Jun 24, 1985Dec 2, 1986The Perkin-Elmer CorporationSplitting the voltage; insulated chuck and counter electrodesUS4661228 *May 15, 1986Apr 28, 1987Varian Associates, Inc.Apparatus and method for manufacturing planarized aluminum filmsUS4692230 *Apr 15, 1986Sep 8, 1987Hitachi, Ltd.Switching power among several targetsUS4716491 *Dec 9, 1985Dec 29, 1987Hitachi, Ltd.High frequency plasma generation apparatusUS4717462 *Oct 24, 1986Jan 5, 1988Hitachi, Ltd.Sputtering apparatusUS4731172 *Apr 17, 1986Mar 15, 1988Matsushita Electric Industrial Co., Ltd.Method for sputtering multi-component thin-filmUS4756815 *Dec 21, 1979Jul 12, 1988Varian Associates, Inc.Vacuum chamber, rotating plate with apertures for wafers, sputtering source for emitting coating materialUS4792732 *Jun 12, 1987Dec 20, 1988United States Of America As Represented By The Secretary Of The Air ForceRadio frequency plasma generatorUS4810342 *Jun 23, 1988Mar 7, 1989Fujitsu LimitedMethod for controlling substrate temperature in a high temperature sputtering processUS4816126 *Jul 20, 1987Mar 28, 1989Nippon Telegraph And Telephone CorporationAs conductor in integrated circuit, aluminum or alloyUS4818723 *Nov 4, 1987Apr 4, 1989Advanced Micro Devices, Inc.Silicide contact plug formation techniqueUS4824544 *Oct 29, 1987Apr 25, 1989International Business Machines CorporationLarge area cathode lift-off sputter deposition deviceUS4842703 *Feb 23, 1988Jun 27, 1989Eaton CorporationMagnetron cathode and method for sputter coatingUS4844775 *Dec 11, 1987Jul 4, 1989Christopher David DobsonIon etching and chemical vapour depositionUS4865712 *Jul 28, 1987Sep 12, 1989Varian Associates, Inc.Apparatus for manufacturing planarized aluminum filmsUS4871421 *Sep 15, 1988Oct 3, 1989Lam Research CorporationSplit-phase driver for plasma etch systemUS4897709 *May 26, 1988Jan 30, 1990Hitachi, Ltd.Titanium nitride film in contact hole with large aspect ratioUS4918031 *Dec 28, 1988Apr 17, 1990American Telephone And Telegraph Company,At&T Bell LaboratoriesAnisotropic plasma etching; low gas pressureUS4925542 *Dec 8, 1988May 15, 1990Trw Inc.Plasma plating apparatus and methodUS4941915 *Feb 7, 1989Jul 17, 1990Nippon Telegraph And Telephone CorporationThin film forming apparatus and ion source utilizing plasma sputteringUS4944961 *Aug 5, 1988Jul 31, 1990Rensselaer Polytechnic InstituteDeposition of metals on stepped surfacesUS4948458 *Aug 14, 1989Aug 14, 1990Lam Research CorporationRadiofrequency resonant current induced in a planar coil; uniform flux; semiconductor wafer processingUS4970176 *Sep 29, 1989Nov 13, 1990Motorola, Inc.Low and higher temperature, melt flowUS4990229 *Jun 13, 1989Feb 5, 1991Plasma & Materials Technologies, Inc.High density plasma deposition and etching apparatusUS4999096 *Jun 29, 1988Mar 12, 1991Hitachi, Ltd.Method of and apparatus for sputteringUS5065698 *Mar 25, 1991Nov 19, 1991Canon Kabushiki KaishaFilm forming apparatus capable of preventing adhesion of film depositsUS5091049 *Jun 29, 1990Feb 25, 1992Plasma & Materials Technologies, Inc.Radio frequency power sources; magnetic fieldUS5094885 *Oct 12, 1990Mar 10, 1992Genus, Inc.Chemical vapor depositionUS5122251 *Feb 4, 1991Jun 16, 1992Plasma & Materials Technologies, Inc.High density plasma deposition and etching apparatusUS5135629 *Jun 8, 1990Aug 4, 1992Nippon Mining Co., Ltd.Containing electrolytic copper foil having fine grains of copper and/or copper oxide on projections of matte surface to prevent contamination and particle formationUS5146137 *Mar 29, 1990Sep 8, 1992Leybold AktiengesellschaftDevice for the generation of a plasmaUS5169684 *May 25, 1990Dec 8, 1992Toyoko Kagaku Co., Ltd.Wafer supporting jig and a decompressed gas phase growth method using such a jigUS5171412 *Aug 23, 1991Dec 15, 1992Applied Materials, Inc.Forming two layers by two steps, first step includes a collimated low temperature sputtering and second step utilizes high temperature/high power sputtering of aluminum to fill voids and grooves of substrate surface and planarize itUS5175608 *Aug 30, 1990Dec 29, 1992Hitachi, Ltd.Method of and apparatus for sputtering, and integrated circuit deviceUS5178739 *Sep 25, 1991Jan 12, 1993International Business Machines CorporationSputtering; magnetic confinement of plasma electrons; radio frequency power to sustain plasma; semiconductorsUS5186718 *Apr 15, 1991Feb 16, 1993Applied Materials, Inc.Staged-vacuum wafer processing system and methodUS5192371 *May 21, 1991Mar 9, 1993Asm Japan K.K.Substrate supporting apparatus for a CVD apparatusUS5206516 *Apr 29, 1991Apr 27, 1993International Business Machines CorporationLow energy, steered ion beam deposition system having high current at low pressureUS5213650 *Sep 13, 1991May 25, 1993Applied Materials, Inc.Apparatus for removing deposits from backside and end edge of semiconductor wafer while preventing removal of materials from front surface of waferUS5223112 *Apr 30, 1991Jun 29, 1993Applied Materials, Inc.Removable shutter apparatus for a semiconductor process chamberUS5225740 *Mar 26, 1992Jul 6, 1993General AtomicsMethod and apparatus for producing high density plasma using whistler mode excitationUS5228501 *Sep 2, 1992Jul 20, 1993Applied Materials, Inc.Physical vapor deposition clamping mechanism and heater/coolerUS5231334 *Apr 15, 1992Jul 27, 1993Texas Instruments IncorporatedPlasma source and method of manufacturingUS5234560 *Apr 16, 1992Aug 10, 1993Hauzer Holdings BvSubstrate-holding space bounded by a multipolar magnetic fields lines of force where interaction of the glow discharge form a homogeneous plasma; vacculum deposition; protective titanium nitride metal coatingsUS5238499 *Mar 25, 1991Aug 24, 1993Novellus Systems, Inc.Gas-based substrate protection during processingUS5241245 *May 6, 1992Aug 31, 1993International Business Machines CorporationOptimized helical resonator for plasma processingUS5280154 *Jan 30, 1992Jan 18, 1994International Business Machines CorporationRadio frequency induction plasma processing system utilizing a uniform field coilUS5292393 *Dec 16, 1991Mar 8, 1994Applied Materials, Inc.Multichamber integrated process systemUS5304279 *Sep 28, 1992Apr 19, 1994International Business Machines CorporationRadio frequency induction/multipole plasma processing toolUS5312717 *Sep 24, 1992May 17, 1994International Business Machines CorporationResidue free vertical pattern transfer with top surface imaging resistsUS5320728 *Feb 25, 1993Jun 14, 1994Applied Materials, Inc.Planar magnetron sputtering source producing improved coating thickness uniformity, step coverage and step coverage uniformityUS5330628 *Oct 23, 1991Jul 19, 1994Varian Associates, Inc.Collimated deposition apparatus and methodUS5346578 *Nov 4, 1992Sep 13, 1994Novellus Systems, Inc.Integrated circuit fabricationUS5360996 *May 21, 1993Nov 1, 1994Applied Materials, Inc.Formed over silicon surface to protect against spiking by aluminum layer subsequently formed over barrierUS5361016 *Jan 28, 1993Nov 1, 1994General AtomicsHigh density plasma formation using whistler mode excitation in a reduced cross-sectional area formation tubeUS5366590 *Mar 17, 1994Nov 22, 1994Sony CorporationDry etching methodUS5368685 *Mar 24, 1993Nov 29, 1994Hitachi, Ltd.Dry etching apparatus and methodUS5397962 *Jun 29, 1992Mar 14, 1995Texas Instruments IncorporatedSource and method for generating high-density plasma with inductive power couplingUS5404079 *Jul 27, 1993Apr 4, 1995Matsushita Electric Industrial Co., Ltd.Plasma generating apparatusUS5418431 *Aug 27, 1993May 23, 1995Hughes Aircraft CompanyRF plasma source and antenna thereforUS5421891 *Oct 19, 1992Jun 6, 1995Plasma & Materials Technologies, Inc.High density plasma deposition and etching apparatusUS5427668 *Oct 22, 1990Jun 27, 1995Ricoh Company, Ltd.Thin film deposition systemUS5429070 *Nov 20, 1992Jul 4, 1995Plasma & Materials Technologies, Inc.High density plasma deposition and etching apparatusUS5429710 *Feb 16, 1994Jul 4, 1995Sony CorporationDry etching methodUS5429995 *Jul 16, 1993Jul 4, 1995Kabushiki Kaisha ToshibaMethod of manufacturing silicon oxide film containing fluorineUS5430355 *Jul 30, 1993Jul 4, 1995Texas Instruments IncorporatedRF induction plasma source for plasma processingUS5431799 *Oct 29, 1993Jul 11, 1995Applied Materials, Inc.Collimation hardware with RF bias rings to enhance sputter and/or substrate cavity ion generation efficiencyUS5443995 *Sep 17, 1993Aug 22, 1995Applied Materials, Inc.Method for metallizing a semiconductor waferUS5503676 *Feb 8, 1995Apr 2, 1996Lam Research CorporationApparatus and method for magnetron in-situ cleaning of plasma reaction chamberUS5573595 *Sep 29, 1995Nov 12, 1996Lam Research CorporationMethods and apparatus for generating plasmaUS5639357 *May 12, 1994Jun 17, 1997Applied MaterialsSynchronous modulation bias sputter method and apparatus for complete planarization of metal filmsUS5707498 *Jul 12, 1996Jan 13, 1998Applied Materials, Inc.Avoiding contamination from induction coil in ionized sputteringUS5830331 *Sep 23, 1994Nov 3, 1998Seagate Technology, Inc.Apparatus and method for sputtering carbonEP0520519A1 *Jun 29, 1992Dec 30, 1992Applied Materials, Inc.Plasma processing reactor and process for plasma etchingEP0607797A1 *Jan 5, 1994Jul 27, 1994International Business Machines CorporationAn apparatus and method for enhanced inductive coupling to plasmas with reduced sputter contaminationEP0807954A1 *May 8, 1997Nov 19, 1997Applied Materials, Inc.Coils for generating a plasma and for sputteringEP0836219A2 *Oct 6, 1997Apr 15, 1998Applied Materials, Inc.Active shield for generating a plasma for sputteringGB2162365A * Title not availableGB2231197A * Title not availableJPH05129276A * Title not availableJPH05148644A * Title not availableJPH05152248A * Title not availableJPH06232055A * Title not availableJPH06283470A * Title not availableJPH07176398A * Title not availableJPH07176399A * Title not availableJPH08153712A * Title not availableJPH08288259A * Title not availableJPS5656722A * Title not availableJPS59190363A * Title not availableJPS61190070A * Title not availableWO1986006623A1 *May 3, 1985Nov 20, 1986Tranquility Prod IntAbsorbent pad* Cited by examinerNon-Patent CitationsReference1 *Ahn et al., Effects of Substrate Temperature on Copper Distribution, Resistivity, and Microstructure in Magnetron Sputtered Al Cu Films, Thin Solid Films, vol. 153, pp. 409 419, Oct. 26, 1987.2Ahn et al., Effects of Substrate Temperature on Copper Distribution, Resistivity, and Microstructure in Magnetron-Sputtered Al-Cu Films, Thin Solid Films, vol. 153, pp. 409-419, Oct. 26, 1987.3Demaray et al., "Aluminum Alloy Planarization for Topography Control of Multilevel VLSI Interconnect," Proceedings--VLSI and Computers: First International Conference on Computer Technology, Systems and Applications, May 11, 1987.4 *Demaray et al., Aluminum Alloy Planarization for Topography Control of Multilevel VLSI Interconnect, Proceedings VLSI and Computers: First International Conference on Computer Technology, Systems and Applications, May 11, 1987.5Helmer et al., "Pressure Effects in Planar Magnetron Sputter Deposition," Journal of Vacuum Science & Technology A (Vacuum, Surfaces, and Films), vol. 4, No. 3, pt. 1, pp. 408-412, May-Jun., 1986.6 *Helmer et al., Pressure Effects in Planar Magnetron Sputter Deposition, Journal of Vacuum Science & Technology A (Vacuum, Surfaces, and Films), vol. 4, No. 3, pt. 1, pp. 408 412, May Jun., 1986.7Hoffman et al., "Planarization of Aluminum Alloy Films During High Rate Sputtering," Thin Solid Films, vol. 153, pp. 369-377, Oct. 26, 1987.8 *Hoffman et al., Planarization of Aluminum Alloy Films During High Rate Sputtering, Thin Solid Films, vol. 153, pp. 369 377, Oct. 26, 1987.9Hoffman, "Practical Troubleshooting of Vacuum Deposition Processes and Equipment for Aluminum Metallization," Solid State Technology, vol. 21, No. 12, pp. 47-56, Dec. 12, 1978.10Hoffman, "Tungsten Titanium Diffusion Barrier Metallization, "Solid State Technology, vol. 26, No. 6, pp. 119-126, Jun. 6, 1983.11 *Hoffman, Practical Troubleshooting of Vacuum Deposition Processes and Equipment for Aluminum Metallization, Solid State Technology, vol. 21, No. 12, pp. 47 56, Dec. 12, 1978.12 *Hoffman, Tungsten Titanium Diffusion Barrier Metallization, Solid State Technology, vol. 26, No. 6, pp. 119 126, Jun. 6, 1983.13J. Hopwood et al., "Mechanisms for Highly Ionized Magnetron Sputtering," J. Appl. Phys., vol. 78, pp. 758-765, 1995.14 *J. Hopwood et al., Mechanisms for Highly Ionized Magnetron Sputtering, J. Appl. Phys ., vol. 78, pp. 758 765, 1995.15 *Joshi et al., Collimated Sputtering of TiN/Ti Liners into Sub Half Micron High Aspect Ratio Contacts/Lines, Jun. 9 10, 1992 VMIC Conference 1992, pp. 253 259.16Joshi et al., Collimated Sputtering of TiN/Ti Liners into Sub-Half Micron High Aspect Ratio Contacts/Lines, Jun. 9-10, 1992 VMIC Conference 1992, pp. 253-259.17 *M. Matsuoka et al., Dense Plasma Production and Film Deposition by New High Rate Sputtering Using an Electric Mirror, J. Vac. Sci. Technol ., A 7 (4), 2652 2657, Jul./Aug. 1989.18M. Matsuoka et al., Dense Plasma Production and Film Deposition by New High-Rate Sputtering Using an Electric Mirror, J. Vac. Sci. Technol., A 7 (4), 2652-2657, Jul./Aug. 1989.19M. Yamashita, "Fundamental Characteristics of Built-in High Frequency Coil Type Sputtering Apparatus," J. Vac. Sci. Technol., vol. A7, pp. 151-158, 1989.20M. Yamashita, "Sputter Type High Frequency Ion Source for Ion Beam Deposition Apparatus," Jap. J. Appl. Phys., vol. 26, pp. 721-727, 1987.21 *M. Yamashita, Fundamental Characteristics of Built in High Frequency Coil Type Sputtering Apparatus, J. Vac. Sci. Technol ., vol. A7, pp. 151 158, 1989.22 *M. Yamashita, Sputter Type High Frequency Ion Source for Ion Beam Deposition Apparatus, Jap. J. Appl. Phys ., vol. 26, pp. 721 727, 1987.23Meikle et al., "Semiconductor Process Considerations for Collimated Source Sputtering of Ti Films," Jun. 9-10, 1992 VMIC Conference, 1992, pp. 289-291.24 *Meikle et al., Semiconductor Process Considerations for Collimated Source Sputtering of Ti Films, Jun. 9 10, 1992 VMIC Conference, 1992, pp. 289 291.25N. Jiwari et al., "Helicon wave plasma reactor employing single-loop antenna," J. of Vac. Sci. Technol., A 12(4), pp. 1322-1327, Jul./Aug. 1994.26 *N. Jiwari et al., Helicon wave plasma reactor employing single loop antenna, J. of Vac. Sci. Technol ., A 12(4), pp. 1322 1327, Jul./Aug. 1994.27P. Kidd, "A Magnetically Confined and ECR Heated Plasma Machine for Coating and Ion Surface Modification Use," J. Vac. Sci. Technol., vol. A9, pp. 466-473, 1991.28 *P. Kidd, A Magnetically Confined and ECR Heated Plasma Machine for Coating and Ion Surface Modification Use, J. Vac. Sci. Technol ., vol. A9, pp. 466 473, 1991.29Park et al., "Influences of D.C. Bias on Aluminum Films Prepared with a High Rate Magnetron Sputtering Cathode," Thin Solid Films, 1985.30 *Park et al., Influences of D.C. Bias on Aluminum Films Prepared with a High Rate Magnetron Sputtering Cathode, Thin Solid Films, 1985.31S.M. Rossnagel et al., "Magnetron Sputter Deposition with High Levels of Metal Ionization," Appl. Phys. Lett., vol. 63, pp. 3285-3287, 1993.32S.M. Rossnagel et al., "Metal Ion Deposition from Ionized Magnetron Sputtering Discharge," J. Vac. Sci. Technol., vol. B12, pp. 449-453, 1994.33 *S.M. Rossnagel et al., Magnetron Sputter Deposition with High Levels of Metal Ionization, Appl. Phys. Lett ., vol. 63, pp. 3285 3287, 1993.34 *S.M. Rossnagel et al., Metal Ion Deposition from Ionized Magnetron Sputtering Discharge, J. Vac. Sci. Technol ., vol. B12, pp. 449 453, 1994.35S.M. Rossnagel, "Directional and Ionized Sputter Deposition for Microelectronics Applications," Proc. of 3rd ISSP ( Tokyo ), pp. 253-260, 1995.36 *S.M. Rossnagel, Directional and Ionized Sputter Deposition for Microelectronics Applications, Proc. of 3rd ISSP ( Tokyo ), pp. 253 260, 1995.37S.M. Rossnagel, et al., "Filling Dual Damascene Interconnect Structures with AlCu and Cu Using Ionized Magnetron Deposition," J. Vac. Sci. Technol., vol. B13, pp. 125-129, 1995.38 *S.M. Rossnagel, et al., Filling Dual Damascene Interconnect Structures with AlCu and Cu Using Ionized Magnetron Deposition, J. Vac. Sci. Technol ., vol. B13, pp. 125 129, 1995.39 *Search report dated Feb. 27, 1997, EPC application No. 96308251.6.40 *Search Report issued in PCT/US98/18898 filed Sep. 9, 1998.41 *Singapore Search Report in Application No. 9704107 3 filed Nov. 20, 1997.42Singapore Search Report in Application No. 9704107-3 filed Nov. 20, 1997.43Skelly et al., "Significant Improvement in Step Coverage Using Bias Sputter Aluminum," J. Vac. Sci. Technol., 1986.44 *Skelly et al., Significant Improvement in Step Coverage Using Bias Sputter Aluminum, J. Vac. Sci. Technol., 1986.45 *U. S. Serial No. 08/789,960 (Atty. Dkt. 1643).46 *U.S. application No. 08/461,575, filed Sep. 30, 1992, pending (Atty. Dk. 364.F1).47 *U.S. application No. 08/730,722, filed Oct. 8, 1996, pending (Aty. Dk. 1207/MD/PVD/DV).48U.S. application No. 08/733,620, filed Oct. 17, 1996, pending (Attorney Docket # 1457/PVD/DV).49 *U.S. application No. 08/733,620, filed Oct. 17, 1996, pending (Attorney Docket 1457/PVD/DV).50 *U.S. application No. 08/753,251, filed Nov. 21, 1996, pending (Aty. Dk. 1657/PVD/DV).51Van Gogh et al., "Characterization of Improved TiN Films by Controlled Divergence Sputtering," Jun. 9-10, 1992 VMIC Conference, 1992, pp. 310-313.52 *Van Gogh et al., Characterization of Improved TiN Films by Controlled Divergence Sputtering, Jun. 9 10, 1992 VMIC Conference, 1992, pp. 310 313.53W.M. Holber, et al., "Copper Deposition by Electron Cyclotron Resonance Plasma," J. Vac. Sci. Technol., vol. A11, pp. 2903-2910, 1993.54 *W.M. Holber, et al., Copper Deposition by Electron Cyclotron Resonance Plasma, J. Vac. Sci. Technol ., vol. A11, pp. 2903 2910, 1993.55 *Y W. Kim et al., Directed Sputter Deposition of AICu: Film Microstructure and Chemistry, J. Vac. Sci. Technol ., vol. A12, pp. 3169 3175, 1994.56Y-W. Kim et al., "Directed Sputter Deposition of AICu: Film Microstructure and Chemistry," J. Vac. Sci. Technol., vol. A12, pp. 3169-3175, 1994.* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS6146508 *Apr 22, 1998Nov 14, 2000Applied Materials, Inc.Sputtering method and apparatus with small diameter RF coilUS6274008 *Oct 2, 2000Aug 14, 2001Applied Materials, Inc.Sputtering, magnetron producing a large volume of plasma, preferably a high-density plasma, long travel path allows large fraction of the sputtered atoms to be ionized so their energy can be controlled by substrate biasing. simultaneousUS6368469 *May 6, 1997Apr 9, 2002Applied Materials, Inc.Inductive coils serves as additional target in sputtering; improves uniformity of deposited metal; independent bias of coils allows for additional control over sputteringUS6375810 *Nov 19, 1997Apr 23, 2002Applied Materials, Inc.Plasma vapor deposition with coil sputteringUS6440831 *Dec 6, 2000Aug 27, 2002Koninklijke Philips Electronics N.V.Ionized metal plasma deposition process having enhanced via sidewall coverageUS6451177 *Nov 1, 2000Sep 17, 2002Applied Materials, Inc.Vault shaped target and magnetron operable in two sputtering modesUS6451179 *Jan 30, 1997Sep 17, 2002Applied Materials, Inc.Coating aluminum multilayers by applying radio frequency power to coils for ionization of targets before metallization; semiconductors; roboticsUS6475356Jan 28, 2000Nov 5, 2002Applied Materials, Inc.Method and apparatus for improving sidewall coverage during sputtering in a chamber having an inductively coupled plasmaUS6559061Aug 13, 2001May 6, 2003Applied Materials, Inc.Method and apparatus for forming improved metal interconnectsUS6695954 *Oct 11, 2001Feb 24, 2004Applied Materials, Inc.If a film consisting of only the sputtered material is to be formed on a substrate, then the gas within the chamber is nonreactive, on the other hand, a nitride or oxide film formed by chemical reaction of target and reactive gasUS6709553May 9, 2002Mar 23, 2004Applied Materials, Inc.Multiple-step sputter depositionUS6709987Feb 5, 2002Mar 23, 2004Applied Materials, Inc.Method and apparatus for forming improved metal interconnectsUS6783639 *Jan 17, 2002Aug 31, 2004Applied MaterialsCoils for generating a plasma and for sputteringUS6787006Jul 16, 2002Sep 7, 2004Applied Materials, Inc.Operating a magnetron sputter reactor in two modesUS6899799Oct 2, 2002May 31, 2005Applied Materials, Inc.Providing a sputtering gas into a chamber at a pressure below 20 mTorr, applying radio frequency to a coil to ionize the sputtering gas to form a plasma, sputtering a target to sputter target material toward a workpieceUS6903016Aug 14, 2003Jun 7, 2005Uri CohenCombined conformal/non-conformal seed layers for metallic interconnectsUS6924226Dec 23, 2002Aug 2, 2005Uri CohenMethods for making multiple seed layers for metallic interconnectsUS6991709Sep 3, 2004Jan 31, 2006Applied Materials, Inc.Simultaneously applying direct current power to a metal target, and RF power to pedestal electrode to accelerate the copper ion reaching deeply into narrow hole on wafer; metallization; forming copper interconnect; semiconductorsUS6992012Jan 21, 2004Jan 31, 2006Applied Materials, Inc.Method and apparatus for forming improved metal interconnectsUS7105434Dec 28, 2004Sep 12, 2006Uri CohenAdvanced seed layery for metallic interconnectsUS7199052Feb 14, 2005Apr 3, 2007Uri CohenSeed layers for metallic interconnectsUS7282445Jan 17, 2007Oct 16, 2007Uri CohenMultiple seed layers for interconnectsUS7504006Jul 31, 2003Mar 17, 2009Applied Materials, Inc.To sputter depositing a liner material such as tantalum or tantalum nitride, by combining long-throw sputtering, self-ionized plasma sputtering and capacitively-coupled plasma resputtering in one chamberUS7550386Oct 5, 2007Jun 23, 2009Uri CohenAdvanced seed layers for interconnectsUS7556718 *Jun 22, 2004Jul 7, 2009Tokyo Electron LimitedPlasma vapor deposition; etching; semiconductors; integrated circuitsUS7682496Mar 28, 2006Mar 23, 2010Uri CohenApparatus for depositing seed layersUS7744735 *Mar 5, 2004Jun 29, 2010Tokyo Electron LimitedIonized PVD with sequential deposition and etchingUS8123861Mar 22, 2010Feb 28, 2012Seed Layers Technology, LLCApparatus for making interconnect seed layers and productsUS8273222 *May 16, 2007Sep 25, 2012Southwest Research InstituteApparatus and method for RF plasma enhanced magnetron sputter depositionUS8277617Aug 14, 2007Oct 2, 2012Southwest Research InstituteConformal magnetron sputter depositionUS8398832Sep 15, 2005Mar 19, 2013Applied Materials Inc.Coils for generating a plasma and for sputteringUS8586471Jan 17, 2012Nov 19, 2013Uri CohenSeed layers for metallic interconnects and productsUS8668816Oct 31, 2007Mar 11, 2014Applied Materials Inc.Self-ionized and inductively-coupled plasma for sputtering and resputteringUS8696875Nov 14, 2002Apr 15, 2014Applied Materials, Inc.Self-ionized and inductively-coupled plasma for sputtering and resputteringUS8747631Mar 15, 2010Jun 10, 2014Southwest Research InstituteApparatus and method utilizing a double glow discharge plasma for sputter cleaning* Cited by examinerClassifications U.S. Classification204/192.15, 204/192.3, 204/192.12International ClassificationC23C14/35, C23C14/04, H01L21/285, H01L21/203, H01J37/34, H01J37/32, C23C14/34Cooperative ClassificationH01J37/321, C23C14/35, C23C14/358, C23C14/345, C23C14/046, H01J37/34European ClassificationH01J37/32M8D, C23C14/34C4, C23C14/35F6, H01J37/34, C23C14/35, C23C14/04DLegal EventsDateCodeEventDescriptionAug 24, 2011FPAYFee paymentYear of fee payment: 12Aug 20, 2007FPAYFee paymentYear of fee payment: 8Aug 28, 2003FPAYFee paymentYear of fee payment: 4Sep 15, 1997ASAssignmentOwner name: APPLIED MATERIALS, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GOPALRAJA, PRABURAM;NARASIMHAN, MURALI;REEL/FRAME:008718/0157Effective date: 19970828RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services