Source: http://www.google.com/patents/US5897799?dq=5,687,325
Timestamp: 2014-07-13 13:39:13
Document Index: 453017625

Matched Legal Cases: ['Application No. 2', 'Application No. 2', 'Application No. 3', 'Application No. 3', 'Application No. 64', 'Application No. 64']

Patent US5897799 - Laser processing apparatus - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA laser processing apparatus including a laser device for emitting a first laser beam having a first cross section having a length and a width and an optical system for modifying the first laser beam to produce a second laser beam having a virtual focus. The second laser beam has a second cross section...http://www.google.com/patents/US5897799?utm_source=gb-gplus-sharePatent US5897799 - Laser processing apparatusAdvanced Patent SearchPublication numberUS5897799 APublication typeGrantApplication numberUS 08/661,869Publication dateApr 27, 1999Filing dateJun 11, 1996Priority dateJun 26, 1992Fee statusPaidAlso published asCN1076864C, CN1087750A, CN1108225C, CN1128193A, CN1139105C, CN1214450C, CN1216404C, CN1284742A, CN1350322A, CN1414604A, CN1414615A, CN1921069A, CN1921069B, US5858473, US5968383, US6002101, US6440785, US6991975, US7985635, US20060194377Publication number08661869, 661869, US 5897799 A, US 5897799A, US-A-5897799, US5897799 A, US5897799AInventorsShunpei Yamazaki, Hongyong Zhang, Hiroaki IshiharaOriginal AssigneeSemiconductor Energy Laboratory Co., Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (20), Non-Patent Citations (10), Referenced by (88), Classifications (45), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetLaser processing apparatusUS 5897799 AAbstract A laser processing apparatus including a laser device for emitting a first laser beam having a first cross section having a length and a width and an optical system for modifying the first laser beam to produce a second laser beam having a virtual focus. The second laser beam has a second cross section of which length is larger than the length of the first cross section and is constant with propagation of the second laser beam. The apparatus further includes a condenser located after the virtual focus for focusing the second laser beam on a specimen to be treated, wherein said second laser beam is condensed in only a widthwise direction of the cross section, and device for moving the specimen along the widthwise direction. Specifically, laser processing apparatus may include a laser device, a vertical fly-eye lens for homogenizing an intensity along a lengthwise direction of the first cross section, a mirror for directing the laser beam and cylindrical convex lens.
What is claimed is: 1. A laser processing apparatus for processing a semiconductor film comprising:a laser device for emitting a laser beam having a first cross section; a lateral flyeye lens for homogenizing an energy distribution of said laser beam in a widthwise direction of the cross section; a first cylindrical convex lens for condensing the laser beam after passing through the lateral flyeye lens in only the widthwise direction; a mirror for directing said laser beam after passing through said first cylindrical convex lens to said semiconductor film, and a second cylindrical convex lens for condensing said laser beam in said widthwise direction, said second cylindrical convex lens being located on an optical path between said mirror and said semiconductor film, wherein a distance X3 between a focus of said first cylindrical convex lens and the mirror, a distance X4 between the mirror and said second cylindrical convex lens, a distance X5 between said second cylindrical convex lens and said semiconductor film satisfy the following conditions:M=(X3 +X4)/X5, where M is a magnification, and 1/F=1/(X3 +X4)+1/X5, F is a focal distance of the second cylindrical convex lens; and means for relatively moving said semiconductor film with respect to said condensed laser beam. 2. A laser processing apparatus for processing a semiconductor film comprising:a laser device for emitting a laser beam having a cross section; a lateral flyeye lens for homogenizing an energy distribution of said laser beam in a widthwise direction; a cylindrical convex lens for condensing the laser beam after passing through the lateral flyeye lens in only the widthwise direction; a mirror for directing said laser beam after passing through said cylindrical convex lens to said semiconductor film; and a condensing means for condensing said laser beam only in the widthwise direction in order to form a condensed laser beam at said semiconductor film, said condensing means being located on an optical path between said mirror and said semiconductor film; and moving means for relatively moving said semiconductor film relative to said laser beam in said widthwise direction, wherein a distance X3 between a focus of said cylindrical convex lens and the mirror, a distance X4 between the mirror and said condensing means, a distance X5 between said condensing means and said semiconductor film satisfy the following conditions:1/F=1/(X3 +X4)+1/X5, F is a focal distance of the condensing means. 3. A laser processing apparatus for processing a semiconductor film comprising:a laser device for emitting a laser beam having a cross section; a lateral flyeye lens for homogenizing an energy distribution of said laser beam in a widthwise direction; a cylindrical convex lens for condensing the laser beam after passing through the lateral flyeye lens in only the widthwise direction; a mirror for directing said laser beam after passing through said cylindrical convex lens to said semiconductor film; a condensing means for condensing said laser beam only in the widthwise direction, said condensing means being located on an optical path between said mirror and said semiconductor film; and moving means for relatively moving said semiconductor film relative to said laser beam in said widthwise direction, wherein a distance X3 between a focus of said cylindrical convex lens and the mirror, a distance X4 between the mirror and said condensing means, a distance X5 between said condensing means and said semiconductor film satisfy the following conditions:M=(X3 +X4)/X5 where M is a magnification. 4. A laser processing apparatus according to claims 1, 2, or 3 wherein said semiconductor film is annealed by said condensed laser beam.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS4309224 *Sep 25, 1979Jan 5, 1982Tokyo Shibaura Denki Kabushiki KaishaReducing resistance of polycrystalline layer by doping, heating, and applying radiation beamUS4370175 *Dec 3, 1979Jan 25, 1983Bernard B. KatzSolar cells, dopes, p-n junctionUS4379727 *Jul 8, 1981Apr 12, 1983International Business Machines CorporationSemiconductors, activationUS4468855 *Aug 4, 1982Sep 4, 1984Fujitsu LimitedMethod of making aluminum gate self-aligned FET by selective beam annealing through reflective and antireflective coatingsUS4473433 *Jun 18, 1982Sep 25, 1984At&T Bell LaboratoriesHeating a strip to melting pointUS4475027 *Nov 17, 1981Oct 2, 1984Allied CorporationOptical beam homogenizerUS4497015 *Feb 22, 1983Jan 29, 1985Nippon Kogaku K.K.Light illumination deviceUS4500365 *Feb 16, 1983Feb 19, 1985Fujitsu LimitedDoping, forming light transmitting film, and irradiationUS4662708 *Oct 24, 1983May 5, 1987Armco Inc.Optical scanning system for laser treatment of electrical steel and the likeUS4769750 *Oct 14, 1986Sep 6, 1988Nippon Kogaku K. K.Illumination optical systemUS4773944 *Sep 8, 1987Sep 27, 1988Energy Conversion Devices, Inc.Large area, low voltage, high current photovoltaic modules and method of fabricating sameUS4943733 *Nov 15, 1989Jul 24, 1990Nikon CorporationProjection optical apparatus capable of measurement and compensation of distortion affecting reticle/wafer alignmentUS4970366 *Mar 24, 1989Nov 13, 1990Semiconductor Energy Laboratory Co., Ltd.Laser patterning apparatus and methodUS4997250 *Nov 17, 1989Mar 5, 1991General Electric CompanyFiber output coupler with beam shaping optics for laser materials processing systemUS5307207 *Oct 23, 1991Apr 26, 1994Nikon CorporationIlluminating optical apparatusUS5372836 *Mar 26, 1993Dec 13, 1994Tokyo Electron LimitedMethod of forming polycrystalling silicon film in process of manufacturing LCDUS5561081 *Feb 3, 1994Oct 1, 1996Semiconductor Energy Laboratory Co., Ltd.Method of forming a semiconductor device by activating regions with a laser lightJPH0220681A * Title not availableJPH04307727A * Title not availableJPS5945089A * Title not available* Cited by examinerNon-Patent CitationsReference1"High-Performance TFT's Fabricated by XeCl Excimer Laser Annealing of Hydrogenated Amorphous-Silicon Film", K. Sera et al., IEEE Transactions on Electron Devices, vol. 36, No. 12, Dec. 1989.2"P-28: 3.7-in.-Diagonal STN-LCD with Stripe Electrode Patterns Fabricated by an Excimer-Laser Scribing System" T. Konuma et al., 550 SID 93 Digest.3 *English Translation of Japanese Application No. 2 73623, Publication Date of Mar. 13, 1990.4English Translation of Japanese Application No. 2-73623, Publication Date of Mar. 13, 1990.5 *English Translation of Japanese Application No. 3 286518, Publication Date of Dec. 17, 1991.6English Translation of Japanese Application No. 3-286518, Publication Date of Dec. 17, 1991.7 *English Translation of Japanese Application No. 64 76715, Publication Date of Mar. 22, 1989.8English Translation of Japanese Application No. 64-76715, Publication Date of Mar. 22, 1989.9 *High Performance TFT s Fabricated by XeCl Excimer Laser Annealing of Hydrogenated Amorphous Silicon Film , K. Sera et al., IEEE Transactions on Electron Devices, vol. 36, No. 12, Dec. 1989.10 *P 28: 3.7 in. Diagonal STN LCD with Stripe Electrode Patterns Fabricated by an Excimer Laser Scribing System T. Konuma et al., 550 SID 93 Digest.* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS6002523 *Sep 29, 1998Dec 14, 1999Semiconductor Energy Laboratory Co., Ltd.Laser illumination methodUS6137633 *Apr 20, 1998Oct 24, 2000Semiconductor Energy Laboratory Co., Ltd.Laser irradiating apparatus and laser irradiating methodUS6149988 *Dec 10, 1998Nov 21, 2000Semiconductor Energy Laboratory Co., Ltd.Method and system of laser processingUS6156997 *Dec 14, 1998Dec 5, 2000Semiconductor Energy Laboratory Co., Ltd.Laser processing method and laser processing apparatusUS6215595May 30, 2000Apr 10, 2001Semiconductor Energy Laboratory Co., LtdApparatus and method for laser radiationUS6261856 *Dec 10, 1998Jul 17, 2001Semiconductor Energy Laboratory Co., Ltd.Method and system of laser processingUS6310727 *Nov 10, 1999Oct 30, 2001Semiconductor Energy Laboratory Co., Ltd.Beam homogenizer, laser illumination apparatus, and semiconductor deviceUS6335509 *Oct 1, 1999Jan 1, 2002Lg. Philips Lcd Co., Ltd.Laser annealing apparatusUS6388812Mar 19, 2001May 14, 2002Semiconductor Energy Laboratory, Co., Ltd.Apparatus and method for laser radiationUS6392810Oct 1, 1999May 21, 2002Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, beam homogenizer, semiconductor device, and method of manufacturing the semiconductor deviceUS6437284 *Jun 23, 2000Aug 20, 2002Mitsubishi Denki Kabushiki KaishaOptical system and apparatus for laser heat treatment and method for producing semiconductor devices by using the sameUS6440785Jul 12, 1999Aug 27, 2002Semiconductor Energy Laboratory Co., LtdMethod of manufacturing a semiconductor device utilizing a laser annealing processUS6509212Jan 26, 1999Jan 21, 2003Semiconductor Energy Laboratory Co., Ltd.Method for laser-processing semiconductor deviceUS6512634 *Jul 23, 2001Jan 28, 2003Semiconductor Energy Laboratory Co., Ltd.Beam homogenizer, laser illumination apparatus and method, and semiconductor deviceUS6534744 *Jul 13, 2000Mar 18, 2003Semiconductor Energy Laboratory Co.SemiconductorsUS6538819 *Mar 29, 2001Mar 25, 2003Semiconductor Energy Laboratory Co., Ltd.Laser optical apparatusUS6548370Aug 17, 2000Apr 15, 2003Semiconductor Energy Laboratory Co., Ltd.Method of crystallizing a semiconductor layer by applying laser irradiation that vary in energy to its top and bottom surfacesUS6567219Aug 10, 2000May 20, 2003Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatusUS6587277Dec 18, 2001Jul 1, 2003Semiconductor Energy Laboratory Co., Ltd.Apparatus and method for laser radiationUS6596613Feb 2, 1996Jul 22, 2003Semiconductor Energy Laboratory Co., Ltd.Laser annealing methodUS6638800Oct 1, 1999Oct 28, 2003Semiconductor Energy Laboratory Co., Ltd.Laser processing apparatus and laser processing processUS6650480Aug 31, 2001Nov 18, 2003Semiconductor Energy Laboratory Co., Ltd.Method of processing beam, laser irradiation apparatus, and method of manufacturing semiconductor deviceUS6689651 *Sep 6, 2001Feb 10, 2004Semiconductor Energy Laboratory Co., Ltd.Laser processing methodUS6723590Jul 13, 2000Apr 20, 2004Semiconductor Energy Laboratory Co., Ltd.Method for laser-processing semiconductor deviceUS6728039Feb 24, 2003Apr 27, 2004Semiconductor Energy Laboratory Co., LtdLaser optical apparatusUS6730550Aug 10, 2000May 4, 2004Semiconductor Energy Laboratory Co., Ltd.Laser apparatus, laser annealing method, and manufacturing method of a semiconductor deviceUS6750424Apr 30, 2001Jun 15, 2004Semiconductor Energy Laboratory Co., Ltd.Beam homogenizer, laser irradiation apparatus, laser irradiation method, and method of manufacturing semiconductor deviceUS6753212Aug 21, 2001Jun 22, 2004Semiconductor Energy Laboratory Co., Ltd.Laser apparatus, laser annealing method, and manufacturing method of a semiconductor deviceUS6818568Apr 16, 2002Nov 16, 2004Semiconductor Energy Laboratory Co., Ltd.Method of using beam homogenizer and laser irradiation apparatusUS6872607Mar 20, 2001Mar 29, 2005Semiconductor Energy Laboratory Co., Ltd.Method of manufacturing a semiconductor deviceUS6919533Jun 16, 2004Jul 19, 2005Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing a display device including irradiating overlapping regionsUS6927109Jul 5, 2000Aug 9, 2005Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus laser irradiation method, semiconductor device and method of manufacturing a semiconductor deviceUS6947452Jun 25, 2003Sep 20, 2005Semiconductor Energy Laboratory Co., Ltd.Laser annealing methodUS6961361Jan 12, 2000Nov 1, 2005Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatusUS6974731Nov 9, 2001Dec 13, 2005Semiconductor Energy Laboratory Co., Ltd.Laser apparatus, laser annealing method, and manufacturing method of a semiconductor deviceUS6982396 *Jan 13, 2003Jan 3, 2006Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing a display device including irradiating overlapping regionsUS6989524Jul 2, 2004Jan 24, 2006Semiconductor Energy Laboratory Co., Ltd.Laser irradiation method, laser irradiation apparatus, and method for manufacturing semiconductor deviceUS6991975Nov 23, 1998Jan 31, 2006Semiconductor Energy Laboratory Co., Ltd.Laser processUS7056810Dec 8, 2003Jun 6, 2006Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing semiconductor apparatus, and semiconductor apparatus and electric applianceUS7067403Nov 5, 2003Jun 27, 2006Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing a semiconductor device that includes adding noble gas to a semiconductor film and then irradiating the semiconductor film with laser light in the presence of a magnetic fieldUS7071035May 21, 2003Jul 4, 2006Semiconductor Energy Laboratory Co., Ltd.Apparatus and method for laser radiationUS7078321Jun 13, 2001Jul 18, 2006Semiconductor Energy Laboratory Co., Ltd.Semiconductor device and method of manufacturing the sameUS7092415Apr 23, 2004Aug 15, 2006Semiconductor Energy Laboratory Co., Ltd.Laser optical apparatusUS7125761Feb 27, 2004Oct 24, 2006Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, and method for manufacturing semiconductor deviceUS7160762Nov 5, 2003Jan 9, 2007Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing semiconductor device, semiconductor device, and laser irradiation apparatusUS7160765Jan 29, 2003Jan 9, 2007Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing a semiconductor deviceUS7160792Jan 29, 2004Jan 9, 2007Semiconductor Energy Laboratory Co., Ltd.Laser processing methodUS7179698Jun 21, 2004Feb 20, 2007Semiconductor Energy Laboratory Co., Ltd.Laser apparatus, laser annealing method, and manufacturing method of a semiconductor deviceUS7179726Feb 19, 2003Feb 20, 2007Semiconductor Energy Laboratory Co., Ltd.Laser processing apparatus and laser processing processUS7208358Aug 15, 2005Apr 24, 2007Semiconductor Energy Laboratory Co., Ltd.Laser annealing methodUS7208395Jun 21, 2004Apr 24, 2007Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, and method for manufacturing semiconductor deviceUS7223938Jun 23, 2005May 29, 2007Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing a display device including irradiating overlapping regionsUS7229864Nov 9, 2004Jun 12, 2007Semiconductor Energy Laboratory Co., Ltd.Method of manufacturing a semiconductor deviceUS7294589May 2, 2002Nov 13, 2007Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatusUS7303980Oct 18, 2002Dec 4, 2007Semiconductor Energy Laboratory Co., Ltd.Laser annealing method and apparatusUS7304005Mar 15, 2004Dec 4, 2007Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, and method for manufacturing a semiconductor deviceUS7307283Jan 7, 2005Dec 11, 2007Semiconductor Energy Laboratory Co., Ltd.Semiconductor device and method of manufacturing the sameUS7326630Apr 2, 2004Feb 5, 2008Semiconductor Energy Laboratory Co., Ltd.Method of fabricating semiconductor device utilizing laser irradiationUS7338913Apr 4, 2003Mar 4, 2008Semiconductor Energy Laboratory Co., Ltd.Semiconductor device, manufacturing method thereof, and electronic deviceUS7371620Jun 2, 2006May 13, 2008Semiconductor Energy Laboratory Co., Ltd.Apparatus and method for laser radiationUS7372630Aug 14, 2002May 13, 2008Semiconductor Energy Laboratory Co., Ltd.Laser, irradiation apparatus, laser irradiation method, and method for manufacturing semiconductor deviceUS7384832May 4, 2007Jun 10, 2008Semiconductor Energy Laboratory Co., Ltd.Method of manufacturing a semiconductor deviceUS7408144Nov 10, 2005Aug 5, 2008Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing semiconductor device including a multi-phase prismUS7419861Jun 22, 2005Sep 2, 2008Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, semiconductor device, and method of manufacturing a semiconductor deviceUS7452788Feb 9, 2007Nov 18, 2008Semiconductor Energy Laboratory Co., Ltd.Method of laser annealing using linear beam having quasi-trapezoidal energy profile for increased depth of focusUS7456371 *May 3, 2004Nov 25, 2008Semiconductor Energy Laboratory Co., Ltd.Laser apparatus and laser annealing methodUS7473622Feb 16, 2007Jan 6, 2009Semiconductor Energy Laboratory Co., Ltd.Laser annealing method and manufacturing method of a semiconductor deviceUS7479420Aug 9, 2006Jan 20, 2009Semiconductor Energy Laboratory Co., Ltd.Laser optical apparatusUS7504288Aug 7, 2000Mar 17, 2009Semiconductor Energy Laboratory Co., Ltd.Method for laser-processing semiconductor deviceUS7517774Apr 16, 2007Apr 14, 2009Semiconductor Energy Laboratory Co., Ltd.Laser annealing methodUS7524712Mar 5, 2004Apr 28, 2009Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing a semiconductor device and laser irradiation method and laser irradiation apparatusUS7569441Oct 20, 2006Aug 4, 2009Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, and method for manufacturing semiconductor deviceUS7585714Dec 13, 2006Sep 8, 2009Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing semiconductor device, semiconductor device, and laser irradiation apparatusUS7629235Jun 21, 2006Dec 8, 2009Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing a semiconductor device that includes adding noble gas to a semiconductor film and then irradiating the semiconductor film with laser light in the presence of a magnetic fieldUS7674663Oct 6, 2003Mar 9, 2010Semiconductor Energy Laboratory Co., Ltd.Method of irradiating laser, laser irradiation system, and manufacturing method of semiconductor deviceUS7700462Feb 27, 2004Apr 20, 2010Semiconductor Energy Laboratory Co., LtdLaser irradiation method, laser irradiation apparatus, and method for manufacturing semiconductor deviceUS7737054Nov 27, 2007Jun 15, 2010Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, and method for manufacturing a semiconductor deviceUS7787187May 9, 2008Aug 31, 2010Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, and method for manufacturing semiconductor deviceUS7799665Feb 14, 2007Sep 21, 2010Semiconductor Energy Laboratory Co., Ltd.Laser processing apparatus and laser processing processUS7842589Nov 30, 2009Nov 30, 2010Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus with means for applying magnetic fieldUS7910416Jan 3, 2007Mar 22, 2011Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatusUS7919726Nov 26, 2003Apr 5, 2011Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus, laser irradiation method, and method for manufacturing a semiconductor deviceUS7939435Mar 25, 2009May 10, 2011Semiconductor Energy Laboratory Co., Ltd.Laser annealing methodUS7985635Dec 30, 2005Jul 26, 2011Semiconductor Energy Laboratory Co., Ltd.Laser processUS8000016Oct 20, 2006Aug 16, 2011Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus and manufacturing method of semiconductor deviceUS8212364May 25, 2006Jul 3, 2012Semiconductor Energy Laboratory Co., Ltd.Method for manufacturing semiconductor apparatus, and semiconductor apparatus and electric applianceCN1697144BSep 1, 2001Apr 28, 2010株式会社半导体能源研究Method for processing beam, laser irradiating apparatus and method for manufacturing semiconductor deviceEP1055479A2 *Jan 13, 2000Nov 29, 2000Sel Semiconductor Energy Laboratory Co., Ltd.Laser irradiation apparatus* Cited by examinerClassifications U.S. Classification219/121.75, 257/E21.134, 359/622International ClassificationC23C14/58, C23C16/56, H01L21/268, H01S3/00, G02B27/09, H01L21/322, H01S3/09, H01L21/00, B23K101/40, B23K26/06, H01S5/024, H01S3/097, B23K26/067, G02F1/35, G02B13/00, H01L21/02, H01L21/20, G02F1/00, H01L21/26, H01L21/324, H01L21/265, B23K26/00Cooperative ClassificationH01L21/26513, H01L21/2026, C23C14/5813, C23C16/56, H01L21/84, C23C14/58, H01L21/268, H01L27/1214, G02B27/09, G02B27/0966, H01L21/2022European ClassificationH01L27/12T, C23C14/58, C23C14/58B2, C23C16/56, H01L21/20D2, H01L21/265A2, G02B27/09, H01L21/268, G02B27/09S2L2Legal EventsDateCodeEventDescriptionSep 30, 2010FPAYFee paymentYear of fee payment: 12Sep 29, 2006FPAYFee paymentYear of fee payment: 8Sep 27, 2002FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google