AU2001288591A1 - Slurry for use with fixed-abrasive polishing pads in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods - Google Patents

Slurry for use with fixed-abrasive polishing pads in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods

Info

Publication number
AU2001288591A1
AU2001288591A1 AU2001288591A AU8859101A AU2001288591A1 AU 2001288591 A1 AU2001288591 A1 AU 2001288591A1 AU 2001288591 A AU2001288591 A AU 2001288591A AU 8859101 A AU8859101 A AU 8859101A AU 2001288591 A1 AU2001288591 A1 AU 2001288591A1
Authority
AU
Australia
Prior art keywords
polishing
tungsten
slurry
semiconductor device
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2001288591A
Inventor
Dinesh Chopra
Nishant Sinha
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Micron Technology Inc
Original Assignee
Micron Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Micron Technology Inc filed Critical Micron Technology Inc
Publication of AU2001288591A1 publication Critical patent/AU2001288591A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • H01L21/304Mechanical treatment, e.g. grinding, polishing, cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/005Control means for lapping machines or devices
    • B24B37/0056Control means for lapping machines or devices taking regard of the pH-value of lapping agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/04Lapping machines or devices; Accessories designed for working plane surfaces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
    • H01L21/3205Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
    • H01L21/321After treatment
    • H01L21/32115Planarisation
    • H01L21/3212Planarisation by chemical mechanical polishing [CMP]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
AU2001288591A 2000-08-30 2001-08-30 Slurry for use with fixed-abrasive polishing pads in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods Abandoned AU2001288591A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/651,808 US6602117B1 (en) 2000-08-30 2000-08-30 Slurry for use with fixed-abrasive polishing pads in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods
US09/651,808 2000-08-30
PCT/US2001/027155 WO2002018099A2 (en) 2000-08-30 2001-08-30 Slurry for use with fixed-abrasive polishing pads in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods

Publications (1)

Publication Number Publication Date
AU2001288591A1 true AU2001288591A1 (en) 2002-03-13

Family

ID=24614304

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001288591A Abandoned AU2001288591A1 (en) 2000-08-30 2001-08-30 Slurry for use with fixed-abrasive polishing pads in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods

Country Status (7)

Country Link
US (4) US6602117B1 (en)
EP (1) EP1314194A2 (en)
JP (1) JP2004507899A (en)
KR (2) KR100854258B1 (en)
CN (1) CN1291462C (en)
AU (1) AU2001288591A1 (en)
WO (1) WO2002018099A2 (en)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6435947B2 (en) * 1998-05-26 2002-08-20 Cabot Microelectronics Corporation CMP polishing pad including a solid catalyst
US7078308B2 (en) 2002-08-29 2006-07-18 Micron Technology, Inc. Method and apparatus for removing adjacent conductive and nonconductive materials of a microelectronic substrate
US7129160B2 (en) * 2002-08-29 2006-10-31 Micron Technology, Inc. Method for simultaneously removing multiple conductive materials from microelectronic substrates
US6551935B1 (en) * 2000-08-31 2003-04-22 Micron Technology, Inc. Slurry for use in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods
US7112121B2 (en) 2000-08-30 2006-09-26 Micron Technology, Inc. Methods and apparatus for electrical, mechanical and/or chemical removal of conductive material from a microelectronic substrate
US7074113B1 (en) * 2000-08-30 2006-07-11 Micron Technology, Inc. Methods and apparatus for removing conductive material from a microelectronic substrate
US6627550B2 (en) * 2001-03-27 2003-09-30 Micron Technology, Inc. Post-planarization clean-up
JP3934388B2 (en) * 2001-10-18 2007-06-20 株式会社ルネサステクノロジ Semiconductor device manufacturing method and manufacturing apparatus
US7563753B2 (en) * 2001-12-12 2009-07-21 Hynix Semiconductor Inc. Cleaning solution for removing photoresist
US6884144B2 (en) 2002-08-16 2005-04-26 Micron Technology, Inc. Methods and systems for planarizing microelectronic devices with Ge-Se-Ag layers
US6833575B2 (en) * 2002-08-29 2004-12-21 Micron Technology, Inc. Dopant barrier for doped glass in memory devices
US7300602B2 (en) * 2003-01-23 2007-11-27 Rohm And Haas Electronic Materials Cmp Holdings, Inc. Selective barrier metal polishing solution
US6899597B2 (en) * 2003-01-29 2005-05-31 Infineon Technologies Ag Chemical mechanical polishing (CMP) process using fixed abrasive pads
KR100487562B1 (en) * 2003-03-24 2005-05-03 삼성전자주식회사 Method of fabricating semiconductor for reducing wafer warpage
IL156094A0 (en) 2003-05-25 2003-12-23 J G Systems Inc Fixed abrasive cmp pad with built-in additives
US7186653B2 (en) * 2003-07-30 2007-03-06 Climax Engineered Materials, Llc Polishing slurries and methods for chemical mechanical polishing
US20050022456A1 (en) * 2003-07-30 2005-02-03 Babu S. V. Polishing slurry and method for chemical-mechanical polishing of copper
US7112122B2 (en) 2003-09-17 2006-09-26 Micron Technology, Inc. Methods and apparatus for removing conductive material from a microelectronic substrate
US7153777B2 (en) * 2004-02-20 2006-12-26 Micron Technology, Inc. Methods and apparatuses for electrochemical-mechanical polishing
US6971945B2 (en) * 2004-02-23 2005-12-06 Rohm And Haas Electronic Materials Cmp Holdings, Inc. Multi-step polishing solution for chemical mechanical planarization
JP4284215B2 (en) 2004-03-24 2009-06-24 株式会社東芝 Substrate processing method
US7253111B2 (en) 2004-04-21 2007-08-07 Rohm And Haas Electronic Materials Cmp Holding, Inc. Barrier polishing solution
US7563383B2 (en) * 2004-10-12 2009-07-21 Cabot Mircroelectronics Corporation CMP composition with a polymer additive for polishing noble metals
CN1900206B (en) * 2005-07-21 2011-01-05 安集微电子(上海)有限公司 Chemical and mechanical polishing liquid and its use
US7494519B2 (en) * 2005-07-28 2009-02-24 3M Innovative Properties Company Abrasive agglomerate polishing method
US7169031B1 (en) 2005-07-28 2007-01-30 3M Innovative Properties Company Self-contained conditioning abrasive article
US20070039926A1 (en) * 2005-08-17 2007-02-22 Cabot Microelectronics Corporation Abrasive-free polishing system
JP4798134B2 (en) * 2005-10-12 2011-10-19 日立化成工業株式会社 Polishing liquid and polishing method for CMP
US20070117497A1 (en) * 2005-11-22 2007-05-24 Cabot Microelectronics Corporation Friction reducing aid for CMP
US7396768B2 (en) * 2006-10-20 2008-07-08 Hitachi Global Storage Technologies Netherlands B.V. Copper damascene chemical mechanical polishing (CMP) for thin film head writer fabrication
US7939941B2 (en) * 2007-06-27 2011-05-10 Taiwan Semiconductor Manufacturing Company, Ltd. Formation of through via before contact processing
US8853830B2 (en) * 2008-05-14 2014-10-07 Taiwan Semiconductor Manufacturing Company, Ltd. System, structure, and method of manufacturing a semiconductor substrate stack
KR100988322B1 (en) * 2008-05-23 2010-10-18 포항공과대학교 산학협력단 Carbon ananotube Schottky diode and a method for fabricating the same
US8691664B2 (en) * 2009-04-20 2014-04-08 Taiwan Semiconductor Manufacturing Company, Ltd. Backside process for a substrate
DE102009025242B4 (en) * 2009-06-17 2013-05-23 Siltronic Ag Method for two-sided chemical grinding of a semiconductor wafer
DE102009030296B4 (en) 2009-06-24 2013-05-08 Siltronic Ag Process for producing an epitaxially coated silicon wafer
DE102009030295B4 (en) * 2009-06-24 2014-05-08 Siltronic Ag Method for producing a semiconductor wafer
DE102009030298B4 (en) * 2009-06-24 2012-07-12 Siltronic Ag Process for local polishing of a semiconductor wafer
DE102009030292B4 (en) 2009-06-24 2011-12-01 Siltronic Ag Method for polishing both sides of a semiconductor wafer
DE102009030297B3 (en) * 2009-06-24 2011-01-20 Siltronic Ag Method for polishing a semiconductor wafer
DE102009030294B4 (en) * 2009-06-24 2013-04-25 Siltronic Ag Process for polishing the edge of a semiconductor wafer
CN102650060B (en) * 2009-06-26 2015-04-15 中国石油化工股份有限公司 Composite corrosion inhibitor for butyl rubber chloromethane glycol dehydration and regeneration system
DE102009038941B4 (en) 2009-08-26 2013-03-21 Siltronic Ag Method for producing a semiconductor wafer
DE102009047927A1 (en) 2009-10-01 2011-01-27 Siltronic Ag Rotor disk for supporting one or multiple disks for conditioning polishing cloth in polishing machine, has core made of material, which have high rigidity and core is fully and partially provided with coating
DE102009051007B4 (en) 2009-10-28 2011-12-22 Siltronic Ag Method for polishing a semiconductor wafer
DE102009051008B4 (en) 2009-10-28 2013-05-23 Siltronic Ag Method for producing a semiconductor wafer
DE102009052744B4 (en) * 2009-11-11 2013-08-29 Siltronic Ag Process for polishing a semiconductor wafer
DE102009057593A1 (en) 2009-12-09 2011-06-16 Siltronic Ag Method for producing a semiconductor wafer
US8551887B2 (en) 2009-12-22 2013-10-08 Air Products And Chemicals, Inc. Method for chemical mechanical planarization of a copper-containing substrate
DE102010005904B4 (en) * 2010-01-27 2012-11-22 Siltronic Ag Method for producing a semiconductor wafer
JP5877940B2 (en) * 2010-04-08 2016-03-08 株式会社フジミインコーポレーテッド Method for polishing a wafer with copper and silicon exposed on the surface
WO2011152966A2 (en) 2010-06-01 2011-12-08 Applied Materials, Inc. Chemical planarization of copper wafer polishing
DE102012201516A1 (en) 2012-02-02 2013-08-08 Siltronic Ag Semiconductor wafer polishing method for semiconductor industry, involves performing removal polishing on front and back sides of wafer, and single-sided polishing on front side of wafer in presence of polishing agent
JP6016301B2 (en) 2013-02-13 2016-10-26 昭和電工株式会社 Surface processing method of single crystal SiC substrate, manufacturing method thereof, and grinding plate for surface processing of single crystal SiC substrate
CN104400624B (en) * 2014-10-20 2016-11-23 南京航空航天大学 The processing method of concretion abrasive chemically mechanical polishing copper
US10181408B2 (en) * 2017-01-31 2019-01-15 Rohm And Haas Electronic Materials Cmp Holdings, Inc. Chemical mechanical polishing method for tungsten using polyglycols and polyglycol derivatives
WO2018174008A1 (en) * 2017-03-23 2018-09-27 株式会社フジミインコーポレーテッド Polishing composition
US10647887B2 (en) * 2018-01-08 2020-05-12 Cabot Microelectronics Corporation Tungsten buff polishing compositions with improved topography
US11424133B2 (en) 2019-07-25 2022-08-23 Samsung Electronics Co., Ltd. Metal structure and method of manufacturing the same and metal wire and semiconductor device and electronic device
CN111805413A (en) * 2020-07-23 2020-10-23 中国科学院微电子研究所 Chemical mechanical polishing method

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349411A (en) * 1981-10-05 1982-09-14 Bell Telephone Laboratories, Incorporated Etch procedure for aluminum alloy
JPS58197277A (en) * 1982-05-08 1983-11-16 Mitsubishi Gas Chem Co Inc Treating liquid for dissolving metal chemically
US5340370A (en) 1993-11-03 1994-08-23 Intel Corporation Slurries for chemical mechanical polishing
US5726099A (en) * 1995-11-07 1998-03-10 International Business Machines Corporation Method of chemically mechanically polishing an electronic component using a non-selective ammonium persulfate slurry
US5840629A (en) 1995-12-14 1998-11-24 Sematech, Inc. Copper chemical mechanical polishing slurry utilizing a chromate oxidant
US5780358A (en) 1996-04-08 1998-07-14 Chartered Semiconductor Manufacturing Ltd. Method for chemical-mechanical polish (CMP) planarizing of cooper containing conductor layers
MY133700A (en) * 1996-05-15 2007-11-30 Kobe Steel Ltd Polishing fluid composition and polishing method
WO1998004646A1 (en) * 1996-07-25 1998-02-05 Ekc Technology, Inc. Chemical mechanical polishing composition and process
US5846398A (en) 1996-08-23 1998-12-08 Sematech, Inc. CMP slurry measurement and control technique
US5972792A (en) * 1996-10-18 1999-10-26 Micron Technology, Inc. Method for chemical-mechanical planarization of a substrate on a fixed-abrasive polishing pad
US5954997A (en) * 1996-12-09 1999-09-21 Cabot Corporation Chemical mechanical polishing slurry useful for copper substrates
CN1165975C (en) 1997-04-30 2004-09-08 美国3M公司 Method of planarizing upper surface of semiconductor wafer
US6083419A (en) * 1997-07-28 2000-07-04 Cabot Corporation Polishing composition including an inhibitor of tungsten etching
US6001730A (en) 1997-10-20 1999-12-14 Motorola, Inc. Chemical mechanical polishing (CMP) slurry for polishing copper interconnects which use tantalum-based barrier layers
US5897375A (en) 1997-10-20 1999-04-27 Motorola, Inc. Chemical mechanical polishing (CMP) slurry for copper and method of use in integrated circuit manufacture
US5985748A (en) 1997-12-01 1999-11-16 Motorola, Inc. Method of making a semiconductor device using chemical-mechanical polishing having a combination-step process
US6217416B1 (en) 1998-06-26 2001-04-17 Cabot Microelectronics Corporation Chemical mechanical polishing slurry useful for copper/tantalum substrates
US6063306A (en) 1998-06-26 2000-05-16 Cabot Corporation Chemical mechanical polishing slurry useful for copper/tantalum substrate
JP3003684B1 (en) * 1998-09-07 2000-01-31 日本電気株式会社 Substrate cleaning method and substrate cleaning liquid
JP3144635B2 (en) 1998-10-13 2001-03-12 日本電気株式会社 Method for manufacturing semiconductor device
US6447693B1 (en) * 1998-10-21 2002-09-10 W. R. Grace & Co.-Conn. Slurries of abrasive inorganic oxide particles and method for polishing copper containing surfaces
US6276996B1 (en) 1998-11-10 2001-08-21 Micron Technology, Inc. Copper chemical-mechanical polishing process using a fixed abrasive polishing pad and a copper layer chemical-mechanical polishing solution specifically adapted for chemical-mechanical polishing with a fixed abrasive pad
US6083840A (en) 1998-11-25 2000-07-04 Arch Specialty Chemicals, Inc. Slurry compositions and method for the chemical-mechanical polishing of copper and copper alloys
US6245655B1 (en) * 1999-04-01 2001-06-12 Cvc Products, Inc. Method for planarized deposition of a material
US6375693B1 (en) * 1999-05-07 2002-04-23 International Business Machines Corporation Chemical-mechanical planarization of barriers or liners for copper metallurgy
US6419554B2 (en) * 1999-06-24 2002-07-16 Micron Technology, Inc. Fixed abrasive chemical-mechanical planarization of titanium nitride
JP2003510802A (en) 1999-09-23 2003-03-18 ロデール ホールディングス インコーポレイテッド Slurry solution for polishing copper or tungsten
TW432515B (en) * 2000-03-16 2001-05-01 Taiwan Semiconductor Mfg Manufacturing method of copper damascene
US6451697B1 (en) * 2000-04-06 2002-09-17 Applied Materials, Inc. Method for abrasive-free metal CMP in passivation domain
US6461225B1 (en) * 2000-04-11 2002-10-08 Agere Systems Guardian Corp. Local area alloying for preventing dishing of copper during chemical-mechanical polishing (CMP)
US6409781B1 (en) * 2000-05-01 2002-06-25 Advanced Technology Materials, Inc. Polishing slurries for copper and associated materials
US6551935B1 (en) * 2000-08-31 2003-04-22 Micron Technology, Inc. Slurry for use in polishing semiconductor device conductive structures that include copper and tungsten and polishing methods
US6419544B1 (en) * 2000-09-25 2002-07-16 Sharper Image Corporation Battery powered gyroscopic entertainment device and system
US6629879B1 (en) * 2001-05-08 2003-10-07 Advanced Micro Devices, Inc. Method of controlling barrier metal polishing processes based upon X-ray fluorescence measurements

Also Published As

Publication number Publication date
US20040014318A1 (en) 2004-01-22
EP1314194A2 (en) 2003-05-28
JP2004507899A (en) 2004-03-11
WO2002018099A3 (en) 2002-10-31
CN1468446A (en) 2004-01-14
KR100869044B1 (en) 2008-11-17
US20050153556A1 (en) 2005-07-14
KR100854258B1 (en) 2008-08-26
US6602117B1 (en) 2003-08-05
US20020123299A1 (en) 2002-09-05
US6830500B2 (en) 2004-12-14
CN1291462C (en) 2006-12-20
WO2002018099A2 (en) 2002-03-07
KR20070049690A (en) 2007-05-11
KR20030036740A (en) 2003-05-09

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