JP5732395B2 - ハードマスク及び二重露光により形成される半導体デバイスのコンタクト及びビア - Google Patents
ハードマスク及び二重露光により形成される半導体デバイスのコンタクト及びビア Download PDFInfo
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- JP5732395B2 JP5732395B2 JP2011528254A JP2011528254A JP5732395B2 JP 5732395 B2 JP5732395 B2 JP 5732395B2 JP 2011528254 A JP2011528254 A JP 2011528254A JP 2011528254 A JP2011528254 A JP 2011528254A JP 5732395 B2 JP5732395 B2 JP 5732395B2
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- 239000004065 semiconductor Substances 0.000 title claims description 75
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- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 238000001465 metallisation Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 130
- 238000004519 manufacturing process Methods 0.000 description 35
- 239000003989 dielectric material Substances 0.000 description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 26
- 238000001459 lithography Methods 0.000 description 26
- 239000011229 interlayer Substances 0.000 description 22
- 238000000059 patterning Methods 0.000 description 20
- 229910052581 Si3N4 Inorganic materials 0.000 description 16
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 16
- 239000000758 substrate Substances 0.000 description 16
- 238000013461 design Methods 0.000 description 13
- 239000000377 silicon dioxide Substances 0.000 description 13
- 235000012239 silicon dioxide Nutrition 0.000 description 13
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 5
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- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
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- 238000000206 photolithography Methods 0.000 description 4
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- 238000012546 transfer Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
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- 230000001419 dependent effect Effects 0.000 description 2
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- 238000005137 deposition process Methods 0.000 description 2
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
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- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Classifications
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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
- H01L21/02—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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
-
- 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
- H01L21/70—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
- H01L21/76816—Aspects relating to the layout of the pattern or to the size of vias or trenches
-
- 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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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- Engineering & Computer Science (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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Electrodes Of Semiconductors (AREA)
Description
Claims (9)
- 横方向寸法を有する回路要素の上方の半導体デバイスの材質層上に形成されるハードマスク層の上方に第1のレジストマスクを形成することと、
前記材質層に対して前記ハードマスク層の材質を選択的に除去する選択的エッチングプロセスを実行することによって前記第1のレジストマスクに基いて前記ハードマスク層内に第1の開口を形成することと、
前記第1の開口との交差区域を画定する第2の開口を有する第2のレジストマスクを前記ハードマスク層の上方に形成することと、
前記第2のレジストマスク及び前記ハードマスク層をエッチングマスクとして用いると共に第2の選択的エッチングプロセスを制御するためにコンタクトエッチング停止層を用いながら、前記材質層の材質を除去するように前記第2の選択的エッチングプロセスを実行することによって前記交差区域に基いて前記材質層内にコンタクト開口を形成することと、
前記コンタクトエッチング停止層を開口し且つ前記ハードマスク層を除去するように第3のエッチングプロセスを実行すると共に前記材質層を前記第3のエッチングプロセスにおいてエッチングマスクとして用いることとを備えた方法であって、
前記第1の開口は、第1の横方向に沿った第1の寸法と、前記第1の横方向とは異なる第2の横方向に沿った第2の寸法とを有し、前記第1の寸法は前記第2の寸法よりも小さく、前記第2の寸法は前記回路要素の前記横方向寸法に一致しており、
前記第2の開口は、それぞれ前記第1の開口の前記第2の寸法よりも小さい、第1及び第2の横方向寸法を有する、方法。 - 前記第2の開口は前記第1の寸法よりも大きい少なくとも1つの横方向寸法を有している請求項1の方法。
- 前記第2の開口の各横方向寸法は前記第1の開口の前記第1の寸法よりも大きい請求項2の方法。
- 前記第1の開口を形成することは、前記ハードマスク層の第1のサブ層を通って延びるように前記第1の開口の第1の部分を形成することと、前記ハードマスク層の少なくとも第2のサブ層を通って延びるように前記交差区域に基いて前記第1の開口の第2の部分を形成することとを備えている請求項1の方法。
- 前記第2の部分は前記ハードマスク層の第3のサブ層を通って延びている請求項4の方法。
- 前記第1、第2及び第3のサブ層の少なくとも2つは異なる材質組成からなる請求項5の方法。
- 前記コンタクト開口は半導体層の内部及び上方に形成されるトランジスタ要素のコンタクト領域と接続している請求項1の方法。
- 前記コンタクト開口は前記半導体デバイスのメタライゼーション層内に形成される金属領域まで延びている請求項1の方法。
- 前記コンタクト開口を金属含有材質で充填することと、前記金属含有材質の過剰材質及び前記ハードマスク層の残留物を共通の除去プロセスにおいて除去することとを更に備えた請求項1の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008049727A DE102008049727A1 (de) | 2008-09-30 | 2008-09-30 | Kontaktelemente und Kontaktdurchführungen eines Halbleiterbauelements, die durch eine Hartmaske und Doppelbelichtung hergestellt sind |
DE102008049727.4 | 2008-09-30 | ||
US12/537,321 | 2009-08-07 | ||
US12/537,321 US8318598B2 (en) | 2008-09-30 | 2009-08-07 | Contacts and vias of a semiconductor device formed by a hard mask and double exposure |
PCT/EP2009/007000 WO2010037521A1 (en) | 2008-09-30 | 2009-09-29 | Contacts and vias of a semiconductor device formed by a hardmask and double exposure |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012504325A JP2012504325A (ja) | 2012-02-16 |
JP5732395B2 true JP5732395B2 (ja) | 2015-06-10 |
Family
ID=42056527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011528254A Active JP5732395B2 (ja) | 2008-09-30 | 2009-09-29 | ハードマスク及び二重露光により形成される半導体デバイスのコンタクト及びビア |
Country Status (6)
Country | Link |
---|---|
US (1) | US8318598B2 (ja) |
JP (1) | JP5732395B2 (ja) |
KR (1) | KR101539415B1 (ja) |
CN (1) | CN102187453B (ja) |
DE (1) | DE102008049727A1 (ja) |
WO (1) | WO2010037521A1 (ja) |
Families Citing this family (11)
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US8758984B2 (en) * | 2011-05-09 | 2014-06-24 | Nanya Technology Corp. | Method of forming gate conductor structures |
US8828885B2 (en) * | 2013-01-04 | 2014-09-09 | Taiwan Semiconductor Manufacturing Company Limited | Photo resist trimmed line end space |
US9048299B2 (en) | 2013-03-12 | 2015-06-02 | Taiwan Semiconductor Manufacturing Company, Ltd. | Patterning approach to reduce via to via minimum spacing |
US9583609B2 (en) * | 2013-03-25 | 2017-02-28 | Texas Instruments Incorporated | MOS transistor structure and method of forming the structure with vertically and horizontally-elongated metal contacts |
US20140342553A1 (en) * | 2013-05-14 | 2014-11-20 | United Microelectronics Corp. | Method for Forming Semiconductor Structure Having Opening |
KR102279711B1 (ko) | 2014-03-11 | 2021-07-21 | 삼성전자주식회사 | 반도체 장치의 레이아웃 방법, 포토 마스크 및 이를 이용하여 제조된 반도체 장치 |
CN106653679A (zh) * | 2015-11-03 | 2017-05-10 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法 |
US10269697B2 (en) | 2015-12-28 | 2019-04-23 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device and manufacturing method thereof |
US10522394B2 (en) * | 2017-09-25 | 2019-12-31 | Marvell World Trade Ltd. | Method of creating aligned vias in ultra-high density integrated circuits |
US11764062B2 (en) * | 2017-11-13 | 2023-09-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of forming semiconductor structure |
CN111524855B (zh) * | 2019-02-02 | 2023-05-05 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
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EP0510604A3 (en) * | 1991-04-23 | 2001-05-09 | Canon Kabushiki Kaisha | Semiconductor device and method of manufacturing the same |
JP2000286336A (ja) * | 1999-01-13 | 2000-10-13 | Lucent Technol Inc | 集積回路の製造方法 |
KR100428791B1 (ko) * | 2002-04-17 | 2004-04-28 | 삼성전자주식회사 | 저유전율 절연막을 이용한 듀얼 다마신 배선 형성방법 |
JP4243099B2 (ja) * | 2002-05-17 | 2009-03-25 | 三星電子株式会社 | 半導体素子の金属配線形成方法 |
US6787875B2 (en) * | 2002-08-05 | 2004-09-07 | Texas Instruments Incorporated | Self-aligned vias in an integrated circuit structure |
JP2005150493A (ja) * | 2003-11-18 | 2005-06-09 | Sony Corp | 半導体装置の製造方法 |
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TWI274377B (en) * | 2005-10-11 | 2007-02-21 | Powerchip Semiconductor Corp | Method of manufacturing contact hole |
JP4155587B2 (ja) * | 2006-04-06 | 2008-09-24 | 株式会社東芝 | 半導体装置の製造方法 |
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KR100757414B1 (ko) * | 2006-06-26 | 2007-09-10 | 삼성전자주식회사 | 반도체 제조용 마스크 패턴 형성 방법 |
US7772126B2 (en) * | 2006-10-19 | 2010-08-10 | Qimonda Ag | Hard mask arrangement, contact arrangement and methods of patterning a substrate and manufacturing a contact arrangement |
DE102007015499A1 (de) * | 2007-03-30 | 2008-10-02 | Advanced Micro Devices, Inc., Sunnyvale | Effizienzsteigerung für die Lithographie von Kontaktdurchführungen und Kontakten unter Anwendung einer Doppelbelichtung auf der Grundlage von linienartigen Strukturelementen |
-
2008
- 2008-09-30 DE DE102008049727A patent/DE102008049727A1/de not_active Ceased
-
2009
- 2009-08-07 US US12/537,321 patent/US8318598B2/en active Active
- 2009-09-29 CN CN200980141244.9A patent/CN102187453B/zh active Active
- 2009-09-29 JP JP2011528254A patent/JP5732395B2/ja active Active
- 2009-09-29 KR KR1020117010115A patent/KR101539415B1/ko active IP Right Grant
- 2009-09-29 WO PCT/EP2009/007000 patent/WO2010037521A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR20110081833A (ko) | 2011-07-14 |
JP2012504325A (ja) | 2012-02-16 |
US8318598B2 (en) | 2012-11-27 |
US20100078823A1 (en) | 2010-04-01 |
CN102187453B (zh) | 2014-06-25 |
DE102008049727A1 (de) | 2010-07-01 |
WO2010037521A1 (en) | 2010-04-08 |
KR101539415B1 (ko) | 2015-07-24 |
CN102187453A (zh) | 2011-09-14 |
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