JP2005244031A - 半導体装置およびその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 239000010949 copper Substances 0.000 claims abstract description 99
- 229910052751 metal Inorganic materials 0.000 claims abstract description 86
- 239000002184 metal Substances 0.000 claims abstract description 86
- 239000011229 interlayer Substances 0.000 claims abstract description 64
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 48
- 230000004888 barrier function Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052702 rhenium Inorganic materials 0.000 claims description 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 description 13
- 238000009792 diffusion process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000001459 lithography Methods 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
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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
- H01L21/76838—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
- H01L21/02—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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/288—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition
-
- 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
- H01L21/76849—Barrier, adhesion or liner layers formed in openings in a dielectric the layer being positioned on top of 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
- H01L21/76879—Filling of holes, grooves or trenches, e.g. vias, with conductive material by selective deposition of conductive material in the vias, e.g. selective C.V.D. on semiconductor material, plating
-
- 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
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53228—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being copper
- H01L23/53238—Additional layers associated with copper layers, e.g. adhesion, barrier, cladding layers
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- 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
- H01L23/5329—Insulating materials
- H01L23/53295—Stacked insulating layers
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
【解決手段】 層間絶縁膜108と、層間絶縁膜に形成された溝に埋め込まれ、溝の深さよりも膜厚の薄い、銅を主たる材料とする銅膜124、および銅膜の上に形成され、銅膜よりも熱膨張係数の小さい金属膜である低膨張金属膜140を備えた配線160とを有する構成である。
【選択図】 図1
Description
層間絶縁膜と、
前記層間絶縁膜に形成された溝に埋め込まれ、該溝の深さよりも膜厚の薄い、銅を主たる材料とする銅膜、および該銅膜の上に形成され、該銅膜よりも熱膨張係数の小さい金属膜である低膨張金属膜を備えた配線と、
を有する構成である。
前記層間絶縁膜は、シリコン酸化膜よりも誘電率の低い膜である低誘電率膜と、該低誘電率膜よりも機械的強度の強い絶縁膜とが順に形成され、
前記銅膜の膜厚が前記低誘電率膜よりも薄いこととしてもよい。
前記半導体基板上に配線を形成するための層間絶縁膜を形成する工程と、
前記層間絶縁膜に溝を形成する工程と、
前記溝の底部および側壁にバリアメタル膜を形成する工程と、
前記溝に前記銅膜を埋め込む工程と、
前記銅膜を上面から所定量削る工程と、
前記溝内の前記銅膜上に該銅膜よりも熱膨張係数の小さい金属膜である低膨張金属膜を堆積して前記配線を形成する工程とを有するものである。
102 ストッパ絶縁膜
104 Low−k膜
106 ハードマスク膜
108、109 配線層間絶縁膜
110 金属拡散防止膜
112 シリコン酸化膜
114 ビア層間絶縁膜
122、128 バリアメタル膜
124、130 Cu膜
126、160、162 配線
132 ビアプラグ
140、142 低膨張金属膜
150 レジスト膜
155 配線用溝
Claims (7)
- 層間絶縁膜と、
前記層間絶縁膜に形成された溝に埋め込まれ、該溝の深さよりも膜厚の薄い、銅を主たる材料とする銅膜、および該銅膜の上に形成され、該銅膜よりも熱膨張係数の小さい金属膜である低膨張金属膜を備えた配線と、
を有する半導体装置。 - 前記配線の厚さが前記溝の深さよりも厚い請求項1記載の半導体装置。
- 前記層間絶縁膜は、シリコン酸化膜よりも誘電率の低い膜である低誘電率膜と、該低誘電率膜よりも機械的強度の強い絶縁膜とが順に形成され、
前記銅膜の膜厚が前記低誘電率膜よりも薄い請求項1または2記載の半導体装置。 - 前記層間絶縁膜がシリコン酸化膜よりも誘電率の低い膜の単層膜である請求項1または2記載の半導体装置。
- 前記低膨張金属膜の熱膨張係数が4.4〜16×10-6/Kである請求項1から4のいずれか1項記載の半導体装置。
- 前記低膨張金属膜がタングステン、モリブデン、レニウム、タンタル、ニッケルおよびコバルトのうち少なくともいずれか1つを含んでいる請求項5記載の半導体装置。
- 銅を主たる材料とする銅膜を有する配線を半導体基板上に備えた半導体装置の製造方法であって、
前記半導体基板上に配線を形成するための層間絶縁膜を形成する工程と、
前記層間絶縁膜に溝を形成する工程と、
前記溝の底部および側壁にバリアメタル膜を形成する工程と、
前記溝に前記銅膜を埋め込む工程と、
前記銅膜を上面から所定量削る工程と、
前記溝内の前記銅膜上に該銅膜よりも熱膨張係数の小さい金属膜である低膨張金属膜を堆積して前記配線を形成する工程とを有する半導体装置の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004053620A JP2005244031A (ja) | 2004-02-27 | 2004-02-27 | 半導体装置およびその製造方法 |
US11/063,565 US7388291B2 (en) | 2004-02-27 | 2005-02-24 | Semiconductor device and method of fabricating the same |
CNB2005100528174A CN100346466C (zh) | 2004-02-27 | 2005-02-28 | 半导体器件及其制造方法 |
US12/111,352 US20080203572A1 (en) | 2004-02-27 | 2008-04-29 | Semiconductor device and method of fabricating the same |
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JP2004053620A JP2005244031A (ja) | 2004-02-27 | 2004-02-27 | 半導体装置およびその製造方法 |
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JP2005244031A true JP2005244031A (ja) | 2005-09-08 |
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US (2) | US7388291B2 (ja) |
JP (1) | JP2005244031A (ja) |
CN (1) | CN100346466C (ja) |
Cited By (5)
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KR100881620B1 (ko) | 2007-01-29 | 2009-02-04 | 삼성전자주식회사 | 반도체 장치 및 그 형성 방법 |
JP2014033108A (ja) * | 2012-08-03 | 2014-02-20 | Toyota Motor Corp | 半導体装置及びその製造方法 |
JP2016527731A (ja) * | 2013-08-05 | 2016-09-08 | マイクロン テクノロジー, インク. | 負の熱膨張材料を組み込む導電性相互接続構造ならびに関連システム、デバイスおよび方法 |
KR20220127812A (ko) * | 2021-03-10 | 2022-09-20 | 창신 메모리 테크놀로지즈 아이엔씨 | 반도체 구조 및 반도체 구조의 제조 방법 |
US12224346B2 (en) | 2019-09-24 | 2025-02-11 | Samsung Electronics Co., Ltd. | Domain switching devices and methods of manufacturing the same |
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CN102543671B (zh) * | 2010-12-08 | 2015-02-11 | 中国科学院微电子研究所 | 半导体晶片的制造方法 |
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2005
- 2005-02-24 US US11/063,565 patent/US7388291B2/en not_active Expired - Fee Related
- 2005-02-28 CN CNB2005100528174A patent/CN100346466C/zh not_active Expired - Fee Related
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2008
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JP2014033108A (ja) * | 2012-08-03 | 2014-02-20 | Toyota Motor Corp | 半導体装置及びその製造方法 |
US9293555B2 (en) | 2012-08-03 | 2016-03-22 | Toyota Jidosha Kabushiki Kaisha | Semiconductor device and manufacturing method of same |
JP2016527731A (ja) * | 2013-08-05 | 2016-09-08 | マイクロン テクノロジー, インク. | 負の熱膨張材料を組み込む導電性相互接続構造ならびに関連システム、デバイスおよび方法 |
US9754825B2 (en) | 2013-08-05 | 2017-09-05 | Micron Technology, Inc. | Conductive interconnect structures incorporating negative thermal expansion materials and associated systems, devices, and methods |
US9922875B2 (en) | 2013-08-05 | 2018-03-20 | Micron Technology, Inc. | Conductive interconnect structures incorporating negative thermal expansion materials and associated systems, devices, and methods |
US10546777B2 (en) | 2013-08-05 | 2020-01-28 | Micron Technology, Inc. | Conductive interconnect structures incorporating negative thermal expansion materials and associated systems, devices, and methods |
US11011420B2 (en) | 2013-08-05 | 2021-05-18 | Micron Technology, Inc. | Conductive interconnect structures incorporating negative thermal expansion materials and associated systems, devices, and methods |
US12224346B2 (en) | 2019-09-24 | 2025-02-11 | Samsung Electronics Co., Ltd. | Domain switching devices and methods of manufacturing the same |
KR20220127812A (ko) * | 2021-03-10 | 2022-09-20 | 창신 메모리 테크놀로지즈 아이엔씨 | 반도체 구조 및 반도체 구조의 제조 방법 |
KR102760498B1 (ko) | 2021-03-10 | 2025-02-03 | 창신 메모리 테크놀로지즈 아이엔씨 | 반도체 구조 및 반도체 구조의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
CN100346466C (zh) | 2007-10-31 |
US20050189654A1 (en) | 2005-09-01 |
US20080203572A1 (en) | 2008-08-28 |
CN1667812A (zh) | 2005-09-14 |
US7388291B2 (en) | 2008-06-17 |
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