Source: http://www.google.com/patents/US7879510?dq=4182933
Timestamp: 2016-10-25 14:21:42
Document Index: 218466966

Matched Legal Cases: ['Application No. 06250436', 'Application No. 06250435', 'Application No. 06250436', 'Application No. 10', 'Application No. 2006', 'Application No. 2006100674423', 'Application No. 2006100674423']

Patent US7879510 - Method for quartz photomask plasma etching - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA method for etching quartz is provided herein. In one embodiment, a method of etching quartz includes providing a filmstack in an etching chamber, the filmstack having a quartz layer partially exposed through a patterned layer, providing at least one fluorocarbon process gas to a processing chamber,...http://www.google.com/patents/US7879510?utm_source=gb-gplus-sharePatent US7879510 - Method for quartz photomask plasma etchingAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS7879510 B2Publication typeGrantApplication numberUS 11/031,885Publication dateFeb 1, 2011Priority dateJan 8, 2005Fee statusPaidAlso published asEP1679741A1, US20060154151Publication number031885, 11031885, US 7879510 B2, US 7879510B2, US-B2-7879510, US7879510 B2, US7879510B2InventorsScott Alan Anderson, Ajay KumarOriginal AssigneeApplied Materials, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (95), Non-Patent Citations (30), Classifications (15), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetMethod for quartz photomask plasma etching
FIGS. 3A-G depict one embodiment of a film stack 300 i fabricated into a quartz phase shift mask 318 utilizing the method 200 described above. The subscript “i” is a integer representing different fabrication stages the film stack shown in FIGS. 3A-G.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS4263088Jun 25, 1979Apr 21, 1981Motorola, Inc.Method for process control of a plasma reactionUS4357195Nov 10, 1980Nov 2, 1982Tegal CorporationApparatus for controlling a plasma reactionUS4579623Aug 21, 1984Apr 1, 1986Hitachi, Ltd.Method and apparatus for surface treatment by plasmaUS4784720Jul 8, 1987Nov 15, 1988Texas Instruments IncorporatedTrench etch process for a single-wafer RIE dry etch reactorUS4790903Mar 18, 1988Dec 13, 1988University Of TokyoIntermittent etching processUS4855017Sep 8, 1988Aug 8, 1989Texas Instruments IncorporatedTrench etch process for a single-wafer RIE dry etch reactorUS4863549Jul 1, 1988Sep 5, 1989Leybold AktiengesellschaftApparatus for coating or etching by means of a plasmaUS4889588May 1, 1989Dec 26, 1989Tegal CorporationPlasma etch isotropy controlUS4891118Nov 23, 1988Jan 2, 1990Fuji Electric Co., Ltd.Plasma processing apparatusUS5087857Jul 31, 1990Feb 11, 1992Samsung Electronics Co., Ltd.Plasma generating apparatus and method using modulation systemUS5160408Apr 27, 1990Nov 3, 1992Micron Technology, Inc.Method of isotropically dry etching a polysilicon containing runner with pulsed powerUS5302241Dec 23, 1992Apr 12, 1994Micron Technology, Inc.Post etching treatment of semiconductor devicesUS5352324Oct 18, 1993Oct 4, 1994Hitachi, Ltd.Etching method and etching apparatus thereforUS5356515Dec 10, 1992Oct 18, 1994Tokyo Electron LimitedDry etching methodUS5362358May 14, 1993Nov 8, 1994Nec CorporationDry etching apparatus and method of forming a via hole in an interlayer insulator using sameUS5468341Mar 28, 1994Nov 21, 1995Nec CorporationPlasma-etching method and apparatus thereforUS5474864Nov 22, 1993Dec 12, 1995Ulvac Coating CorporationPhase shift mask and manufacturing method thereof and exposure method using phase shift maskUS5482799Oct 5, 1994Jan 9, 1996Mitsubishi Denki Kabushiki KaishaPhase shift mask and manufacturing method thereofUS5605776Aug 15, 1995Feb 25, 1997Ulvac Coating CorporationPhase-shifting photomask blank, phase-shifting photomask, and method of manufacturing themUS5614060Mar 23, 1995Mar 25, 1997Applied Materials, Inc.Process and apparatus for etching metal in integrated circuit structure with high selectivity to photoresist and good metal etch residue removalUS5629114Jun 7, 1995May 13, 1997Ulvac Coating CorporationPhase shift mask and manufacturing method thereof and exposure method using phase shift mask comprising a semitransparent regionUS5674647Oct 24, 1995Oct 7, 1997Ulvac Coating CorporationPhase shift mask and manufacturing method thereof and exposure method using phase shift maskUS5683538Dec 23, 1994Nov 4, 1997International Business Machines CorporationControl of etch selectivityUS5691090Dec 20, 1996Nov 25, 1997Ulvac Coating CorporationPhase shift mask and manufacturing method thereof and exposure method using phase shift maskUS5705081Sep 21, 1995Jan 6, 1998Tokyo Electron LimitedEtching methodUS5830607May 27, 1997Nov 3, 1998Ulvac Coating CorporationPhase shift mask and manufacturing method thereof and exposure method using phase shift maskUS5938897Jun 16, 1997Aug 17, 1999Ulcoat (Ulvac Coating Corporation)Method of manufacturing phase-shifting photomask blankUS5952128Apr 17, 1996Sep 14, 1999Ulvac Coating CorporationPhase-shifting photomask blank and method of manufacturing the same as well as phase-shifting photomaskUS6022460Mar 22, 1999Feb 8, 2000Inha University FoundationEnhanced inductively coupled plasma reactorUS6193855Oct 19, 1999Feb 27, 2001Applied Materials, Inc.Use of modulated inductive power and bias power to reduce overhang and improve bottom coverageUS6228541Apr 16, 1999May 8, 2001Ulvac Coating CorporationPhase-shifting photomask blank, phase-shifting photomask, method for producing them and apparatus for manufacturing the blankUS6284148Aug 19, 1998Sep 4, 2001Robert Bosch GmbhMethod for anisotropic etching of siliconUS6391791Jul 27, 1999May 21, 2002Ulvac Coating CorporationDry-etching method and apparatus, photomasks and method for the preparation thereof, and semiconductor circuits and methods for the fabrication thereofUS6428938 *Jun 19, 2000Aug 6, 2002Taiwan Semiconductor Manufacturing CompanyPhase-shift mask for printing high-resolution images and a method of fabricationUS6569577Nov 3, 2000May 27, 2003Ulvac Coating CorporationPhase-shift photo mask blank, phase-shift photo mask and method for fabricating semiconductor devicesUS6689515Mar 15, 2001Feb 10, 2004Ulvac Coating CorporationPhase-shifting photomask blank, phase-shifting photomask, method for producing them and apparatus for manufacturing the blankUS6716758Aug 25, 1999Apr 6, 2004Micron Technology, Inc.Aspect ratio controlled etch selectivity using time modulated DC bias voltageUS7361433 *Apr 19, 2004Apr 22, 2008Samsung Electronics Co., Ltd.Photomask for forming photoresist patterns repeating in two dimensions and method of fabricating the sameUS20020012851Jul 24, 2001Jan 31, 2002International Business Machines CorporationTernary photomask and method of making the sameUS20020177050May 23, 2002Nov 28, 2002Nec CorporationPhase shift mask and design method thereforUS20030049934Sep 4, 2002Mar 13, 2003Applied Materials, Inc.Methods and apparatus for etching metal layers on substratesUS20030059720 *Jan 24, 2002Mar 27, 2003Hwang Jeng H.Masking methods and etching sequences for patterning electrodes of high density RAM capacitorsUS20030089680Oct 22, 2002May 15, 2003Johnson David J.Method and apparatus for the etching of photomask substrates using pulsed plasmaUS20030129539Jan 8, 2002Jul 10, 2003Taiwan Semiconductor Manufacturing Co., Ltd.Bi-layer photoresist dry development and reactive ion etch methodUS20030165751Feb 27, 2003Sep 4, 2003Klaus ElianLithographic process for reducing the lateral chromium structure loss in photomask production using chemically amplified resistsUS20030180631 *Feb 24, 2003Sep 25, 2003Hoya CorporationHalftone phase shift mask blank, halftone phase shift mask, and method of producing the sameUS20030201455Jun 10, 2003Oct 30, 2003Mitsubishi Denki Kabushiki KaishaSemiconductor device and manufacturing method thereofUS20040072081May 13, 2003Apr 15, 2004Coleman Thomas P.Methods for etching photolithographic reticlesUS20040086787 *Nov 5, 2002May 6, 2004Waheed Nabila LehachiAlternating aperture phase shift photomask having plasma etched isotropic quartz featuresUS20040097077 *Nov 15, 2002May 20, 2004Applied Materials, Inc.Method and apparatus for etching a deep trenchUS20040132311Jan 6, 2003Jul 8, 2004Applied Materials, Inc.Method of etching high-K dielectric materialsUS20040203177Sep 29, 2003Oct 14, 2004Applied Materials, Inc.Method and system for monitoring an etch processUS20040242021 *Apr 6, 2004Dec 2, 2004Applied Materials, Inc.Method and apparatus for plasma nitridation of gate dielectrics using amplitude modulated radio-frequency energyUS20040259367 *May 3, 2004Dec 23, 2004Christopher ConstantineEtching of chromium layers on photomasks utilizing high density plasma and low frequency RF biasUS20050181608Mar 18, 2003Aug 18, 2005Applied Materials, Inc.Method and apparatus for etching photomasksUS20060154151Jan 8, 2005Jul 13, 2006Applied Materials, Inc.Method for quartz photomask plasma etchingDE3613181A1Apr 18, 1986Oct 22, 1987Siemens AgProcess for producing trenches with adjustable steepness of the trench walls in semiconductor substrates consisting of siliconDE3706127A1Feb 25, 1987Oct 29, 1987Univ TokyoDiskontinuierliches aetzverfahrenDE3940083A1Dec 4, 1989Jun 13, 1991Siemens AgAnisotropic dry etching of aluminium (alloy) circuits - using plasma of chlorine, nitrogen and argonDE4202447A1Jan 29, 1992Jul 30, 1992Micron Technology IncTrench profile with vertical walls - formed by dry etching using ambient contg. ammonia to produce passivation layer on trench wallsDE4204848A1Feb 18, 1992Aug 27, 1992Micron Technology IncPassivation of semiconductor surfaces after reactive plasma etching - involves additional plasma treatment using passivation mixture to replace reactive compounds adsorbed on the surfaceEP0200951A2Apr 11, 1986Nov 12, 1986International Business Machines CorporationAnisotropic silicon etching in fluorinated plasmaEP0363982A2Oct 13, 1989Apr 18, 1990Hitachi, Ltd.Dry etching methodEP0383570A2Feb 14, 1990Aug 22, 1990Hitachi, Ltd.Plasma etching method and apparatusEP0488393A2Nov 29, 1991Jun 3, 1992Tokyo Electron LimitedMethod for treating substratesEP0497023A1Jan 31, 1991Aug 5, 1992Hitachi, Ltd.Process for anisotropic etching of thin filmsEP0710977A1Oct 24, 1995May 8, 1996Hitachi, Ltd.Surface treatment method and systemEP0734046A2Jan 24, 1996Sep 25, 1996Applied Materials, Inc.Process and apparatus for patterning a masked metal layer in a RF plasma, comprising substrate bias amplitude modulationEP1420438A2Nov 17, 2003May 19, 2004Applied Materials, Inc.Method and apparatus for etching a deep trenchEP1612840A2May 9, 2005Jan 4, 2006Applied Materials, Inc.Method and apparatus for photomask plasma etchingEP1679741A1Jan 5, 2006Jul 12, 2006Applied Materials, Inc.Method of quartz etchingJP2001142194A Title not availableJP2002333702A Title not availableJP2003075983A Title not availableJPH0214523A Title not availableJPH1079372A Title not availableJPH02156529A Title not availableJPH02312229A Title not availableJPH03129820A Title not availableJPH06181185A Title not availableJPH06342769A Title not availableJPH07142453A Title not availableJPH07226397A Title not availableJPH09129621A Title not availableJPS611023A Title not availableJPS5947733A Title not availableJPS6050923A Title not availableJPS6062125A Title not availableJPS6313334A Title not availableJPS61263125A Title not availableJPS63115338A Title not availableKR20040021729A Title not availableWO1988009830A1May 31, 1988Dec 15, 1988Commissariat A L'energie AtomiqueProcess for etching with gaseous plasmaWO2001096955A2Jun 15, 2001Dec 20, 2001Applied Materials, Inc.A method and apparatus for etching metal layers on substratesWO2004034445A2Oct 6, 2003Apr 22, 2004Lam Research CorporationA method for plasma etching performance enhancement* Cited by examinerNon-Patent CitationsReference1Abstract from Korean Patent KR 2002002687A, Jan. 10, 2002, Hynix Semiconductor Inc.2Abstract from Korean Patent KR 2003002844A, Jan. 9, 2003, Hynix Semiconductor Inc.3EP Examination Report for EP 06250045.9, Feb. 15, 2008.4European Patent Office Search Report dated Mar. 11, 2009 for Application No. 06250436.0. (APPM/009493).5European Patent Office Search Report dated Mar. 12, 2009 for Application No. 06250435.2. (APPM/009493).6European Search Report dated May 2, 2006 for EP 06250045.9-2203.7Extended European Search Report dated May 19, 2008, for Application No. 06250436.0 (APPM/009493).8Kawakami, et al., Time Modulated Etching for High-Aspect Ratio Patterning, 35th Applied Physics Related Joint Lecture, Mar. 28, 1988, pp. 28-G-5.9Kim et al., Decrease of Chrome Residue on MoSiON in Embeded Attenuated-PSM Processing, Apr. 2004, Photomask Japan 2004 Conference, Proceedings of SPIE, 2004, vol. 5446.10M. Schaepkens,et al., "Effects of radio frequency bias frequency and radio frequency bias pulsing on SiO2 feature etching in inductively coupled fluorocarbon plasmas", Journal of Vacuum Science and Technology B 18(2), Mar./Apr. 2000, pp. 856-862.11M. Shaepkens and G. Oehrein, "Effects of radio frequency bias and radio frequency bias pulsing on Si02 feature etching in inductively coupled fluorocarbon plasmas", J. Vac. Sci. Tech., B18(2), Mar./Apr. 2000.12Mahi , et al., The Etching of Silicon in Diluted SF6 Plasmas: Correlation between the Flux of Incident Species and the Etching Kinetics, Journal of Vacuum Science and Technology B, May 1987, pp. 657-666, vol. 5, No. 3.13Maruyama et al., Reduction of Charge Build-Up with Pulse-Modulated Bias in Pulsed Electron Cyclotron Resonance Plasma, Jpn. J. Appl. Phys., 1998, 2306-2310, vol. 37.14Office Action dated Oct. 23, 2007 for Korean Application No. 10-2006-0002046. (APPM/009493 KR).15Official Letter dated Jun. 8, 2010, from Japanese Patent Office for corresponding Japanese Patent application 2006-002860.16Official Letter from Japanese Patent Office dated Sep. 4, 2009, for corresponding Japanese Application No. 2006-002860.17Ogata, et al., A New Microwave Plasma Etching System Using Time Modulation Bias Technology, Hitachi Review, 1999, pp. 344-348, vol. 48, No. 6.18Okudaira, et al., Micromachining by Plasma, EP-89, 1989, p. 9-18.19Paul, et al., Fabrication of High Aspect Ratio Structures using Chlorine Gas Chopping Technique, Microelectronic Engineering, 1997, pp. 79-82, vol. 35.20Philipsen, et s al., Printability of Topography in Alternating Aperture Phase-Shift Masks, Proceedings of SPIE, Oct. 2004, pp. 587-595, vol. 5567.21Rangelow, I., High Resolution Tri-Level Process by Downstream-Microwave RF-Biased Etching, SPIE, 1990, vol. 1392, Advanced Techniques for Integrated Circuit Processing.22Schaepkens, et al., J. Vac. Sci. Technol. B, Mar./ Apr. 2000, pp. 856-863, vol. 18, No. 2.23Seo, et al., The Feasibility Study of Thin Cr Film for Low Process Bias, Photomask Japan 2003 Conference 5130, Apr. 16, 2003, Proceedings of SPIE, vol. 5130.24Tin, et al., Effects of RF Bias on Remote Microwave Plasma Assisted Etching of Silicon in SF6, J. Electrochem. Soc., Oct. 1991, vol. 138, No. 10, pp. 3094-3100.25Translation of Official Letter from Chinese Patent Office of Application No. 2006100674423 dated Dec. 5, 2008. (APPM/9835CN).26Translation of Official Letter from Chinese Patent Office of Application No. 2006100674423(APPM/9493CN) dated Dec. 5, 2008.27Tsujimoto, et al., A New Side Wall Protection Technique in Microwave Plasma Etching Using a Chopping Method, 18th (1986 International) Conference of Solid State Devices and Materials, Tokyo, 1986, pp. 229-232.28Wu et al., MoSi Etch of Phase-Shift Masks, Joumal of Microlithography, Microfabrication, and Microsystems, Jan. 2003, pp. 54-60, vol. 2, Issue 1.29Wu, An Investigation of Cr Etch Kinetics, 23rd Annual BACUS Symposium on Photomask Technology. Edited by Kimmel, Kurt R.; Staud, Wolfgang. Proceedings of the SPIE, Dec. 2003, pp. 701-712, vol. 5256.30Wu, Photomask Cr-MoSi Etching, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, May 2004, pp. 1150-1159, vol. 22, Issue 3.Classifications U.S. Classification430/5, 438/482, 438/487, 430/324, 430/322, 216/3, 430/323International ClassificationG03F1/00Cooperative ClassificationH01J2237/334, H01J37/32706, G03F1/80, G03F1/30European ClassificationG03F1/30, G03F1/80, H01J37/32O12BLegal EventsDateCodeEventDescriptionJan 8, 2005ASAssignmentOwner name: APPLIED MATERIALS, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ANDERSON, SCOTT ALAN;KUMAR, AJAY;REEL/FRAME:016178/0338;SIGNING DATES FROM 20050103 TO 20050107Owner name: APPLIED MATERIALS, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ANDERSON, SCOTT ALAN;KUMAR, AJAY;SIGNING DATES FROM 20050103 TO 20050107;REEL/FRAME:016178/0338Jul 25, 2014FPAYFee 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