TWI377618B - Dry etchback of interconnect contacts - Google Patents

Dry etchback of interconnect contacts Download PDF

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Publication number
TWI377618B
TWI377618B TW095128192A TW95128192A TWI377618B TW I377618 B TWI377618 B TW I377618B TW 095128192 A TW095128192 A TW 095128192A TW 95128192 A TW95128192 A TW 95128192A TW I377618 B TWI377618 B TW I377618B
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TW
Taiwan
Prior art keywords
conductive material
fluorine
layer
providing
manufacturing
Prior art date
Application number
TW095128192A
Other languages
English (en)
Chinese (zh)
Other versions
TW200741849A (en
Inventor
Theodorus E Standaert
William H Brearley
Stephen E Greco
Sujatha Sankaran
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Ibm
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Publication of TW200741849A publication Critical patent/TW200741849A/zh
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Publication of TWI377618B publication Critical patent/TWI377618B/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
    • H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
    • H01L21/76807—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures
    • H01L21/76808—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures involving intermediate temporary filling with material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture 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
    • H01L21/18—Manufacture 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
    • H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture 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
    • H01L21/18—Manufacture 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
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31—Treatment 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
    • H01L21/3105—After-treatment
    • H01L21/311—Etching the insulating layers by chemical or physical means
    • H01L21/31105—Etching inorganic layers
    • H01L21/31111—Etching inorganic layers by chemical means
    • H01L21/31116—Etching inorganic layers by chemical means by dry-etching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture 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
    • H01L21/18—Manufacture 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
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31—Treatment 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
    • H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
    • H01L21/321—After treatment
    • H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
    • H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
    • H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
    • H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76841—Barrier, adhesion or liner layers
    • H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
    • H01L21/76847—Barrier, adhesion or liner layers formed in openings in a dielectric the layer being positioned within the main fill metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
    • H01L21/76883—Post-treatment or after-treatment of the conductive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H01L23/5226—Via connections in a multilevel interconnection structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Drying Of Semiconductors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
TW095128192A 2005-08-08 2006-08-01 Dry etchback of interconnect contacts TWI377618B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/161,538 US7323410B2 (en) 2005-08-08 2005-08-08 Dry etchback of interconnect contacts

Publications (2)

Publication Number Publication Date
TW200741849A TW200741849A (en) 2007-11-01
TWI377618B true TWI377618B (en) 2012-11-21

Family

ID=37074972

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095128192A TWI377618B (en) 2005-08-08 2006-08-01 Dry etchback of interconnect contacts

Country Status (9)

Country Link
US (2) US7323410B2 (enExample)
EP (1) EP1922753B1 (enExample)
JP (1) JP4742147B2 (enExample)
KR (1) KR101027172B1 (enExample)
CN (1) CN101228624B (enExample)
AT (1) ATE504084T1 (enExample)
DE (1) DE602006021035D1 (enExample)
TW (1) TWI377618B (enExample)
WO (1) WO2007017400A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070037316A1 (en) * 2005-08-09 2007-02-15 Micron Technology, Inc. Memory cell contact using spacers
US20070232048A1 (en) * 2006-03-31 2007-10-04 Koji Miyata Damascene interconnection having a SiCOH low k layer
US8399349B2 (en) * 2006-04-18 2013-03-19 Air Products And Chemicals, Inc. Materials and methods of forming controlled void
US7935640B2 (en) * 2007-08-10 2011-05-03 Tokyo Electron Limited Method for forming a damascene structure
US7947609B2 (en) * 2007-08-10 2011-05-24 Tokyo Electron Limited Method for etching low-k material using an oxide hard mask
US8080473B2 (en) * 2007-08-29 2011-12-20 Tokyo Electron Limited Method for metallizing a pattern in a dielectric film
JP5102720B2 (ja) * 2008-08-25 2012-12-19 東京エレクトロン株式会社 基板処理方法
US8435901B2 (en) 2010-06-11 2013-05-07 Tokyo Electron Limited Method of selectively etching an insulation stack for a metal interconnect
KR102057855B1 (ko) 2013-11-13 2019-12-20 삼성전자 주식회사 반도체 소자 및 그 제조 방법
US9514977B2 (en) 2013-12-17 2016-12-06 Kabushiki Kaisha Toshiba Semiconductor device and manufacturing method thereof
US9484401B2 (en) 2014-11-24 2016-11-01 International Business Machines Corporation Capacitance reduction for advanced technology nodes
US9679807B1 (en) * 2015-11-20 2017-06-13 Globalfoundries Inc. Method, apparatus, and system for MOL interconnects without titanium liner

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US4808552A (en) * 1985-09-11 1989-02-28 Texas Instruments Incorporated Process for making vertically-oriented interconnections for VLSI devices
US4793897A (en) * 1987-03-20 1988-12-27 Applied Materials, Inc. Selective thin film etch process
US5244534A (en) * 1992-01-24 1993-09-14 Micron Technology, Inc. Two-step chemical mechanical polishing process for producing flush and protruding tungsten plugs
US5300813A (en) 1992-02-26 1994-04-05 International Business Machines Corporation Refractory metal capped low resistivity metal conductor lines and vias
JPH05267241A (ja) * 1992-03-18 1993-10-15 Fujitsu Ltd 半導体装置の製造方法
EP0571691B1 (en) * 1992-05-27 1996-09-18 STMicroelectronics S.r.l. Metallization over tungsten plugs
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US5970374A (en) 1996-10-18 1999-10-19 Chartered Semiconductor Manufacturing Ltd. Method for forming contacts and vias with improved barrier metal step-coverage
JPH10242271A (ja) * 1997-02-28 1998-09-11 Sony Corp 半導体装置及びその製造方法
US6043163A (en) * 1997-12-29 2000-03-28 Taiwan Semiconductor Manufacturing Company, Ltd. HCL in overetch with hard mask to improve metal line etching profile
WO1999050903A1 (fr) * 1998-03-30 1999-10-07 Hitachi, Ltd. Circuit integre a semi-conducteur et procede de fabrication correspondant
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Also Published As

Publication number Publication date
DE602006021035D1 (de) 2011-05-12
CN101228624B (zh) 2011-07-20
EP1922753A1 (en) 2008-05-21
US20080088027A1 (en) 2008-04-17
ATE504084T1 (de) 2011-04-15
KR20080033300A (ko) 2008-04-16
WO2007017400A1 (en) 2007-02-15
US20070032055A1 (en) 2007-02-08
KR101027172B1 (ko) 2011-04-05
EP1922753B1 (en) 2011-03-30
JP2009505385A (ja) 2009-02-05
US7645700B2 (en) 2010-01-12
CN101228624A (zh) 2008-07-23
TW200741849A (en) 2007-11-01
US7323410B2 (en) 2008-01-29
JP4742147B2 (ja) 2011-08-10

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