KR101100288B1 - Cu막의 형성방법 - Google Patents
Cu막의 형성방법 Download PDFInfo
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- KR101100288B1 KR101100288B1 KR1020087015609A KR20087015609A KR101100288B1 KR 101100288 B1 KR101100288 B1 KR 101100288B1 KR 1020087015609 A KR1020087015609 A KR 1020087015609A KR 20087015609 A KR20087015609 A KR 20087015609A KR 101100288 B1 KR101100288 B1 KR 101100288B1
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- 238000000034 method Methods 0.000 title claims description 83
- 229910052751 metal Inorganic materials 0.000 claims abstract description 95
- 239000002184 metal Substances 0.000 claims abstract description 95
- 230000004888 barrier function Effects 0.000 claims abstract description 82
- 238000000137 annealing Methods 0.000 claims abstract description 47
- 150000004767 nitrides Chemical class 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 238000004544 sputter deposition Methods 0.000 claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 claims description 33
- 238000005229 chemical vapour deposition Methods 0.000 claims description 28
- 238000005240 physical vapour deposition Methods 0.000 claims description 15
- 238000007747 plating Methods 0.000 claims description 13
- 239000010949 copper Substances 0.000 description 135
- 239000007789 gas Substances 0.000 description 57
- 239000010936 titanium Substances 0.000 description 53
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 26
- 239000002052 molecular layer Substances 0.000 description 26
- 239000010410 layer Substances 0.000 description 25
- 229910052757 nitrogen Inorganic materials 0.000 description 24
- 125000004433 nitrogen atom Chemical group N* 0.000 description 24
- 239000000523 sample Substances 0.000 description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 238000012360 testing method Methods 0.000 description 19
- 229910052719 titanium Inorganic materials 0.000 description 11
- 229910052715 tantalum Inorganic materials 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000001755 magnetron sputter deposition Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000000231 atomic layer deposition Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 40 sccm) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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- 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
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- 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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- 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
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- 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
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- 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
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76855—After-treatment introducing at least one additional element into the layer
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Physical Vapour Deposition (AREA)
- Electrodes Of Semiconductors (AREA)
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Abstract
Description
시료번호 |
PVD-Ti막 | CVD-Cu막 | 어닐 처리 | PVD-Cu막 | 어닐 처리 | 테스트 결과 | |||||
막두께 (nm) |
온도 (℃) |
예비처리시간(초) | 막두께 (nm) |
온도 (℃) |
시간 (분) |
막두께 (nm) |
온도 (℃) |
시간 (분) |
중앙부 | 주변부 | |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 |
15 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 (+TiN 1nm) 〃 (+N2 도입) 〃 (+TiN 1nm) 〃 (+N2 도입) |
실온 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 |
25 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 |
100 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 |
- - - - 350 〃 400 400 450 〃 〃 〃 350 〃 〃 〃 |
- - - - 3 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 |
1000 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 〃 |
- 350 400 450 - 450 - 450 - 350 400 450 350 〃 450 〃 |
- 10 〃 〃 - 〃 - 10 - 10 〃 〃 〃 〃 〃 〃 |
NG NG △ OK NG OK NG OK OK OK OK OK OK OK OK OK |
NG NG △ OK NG OK NG OK OK OK OK OK △ OK OK OK |
Claims (11)
- 기판 상에 스퍼터법에 의해 장벽금속막으로서 Ti막 또는 Ta막을 형성하고, 이 장벽금속막 상에 CVD법에 의해 Cu막을 형성하는 Cu막의 형성방법에 있어서,상기 장벽금속막 상에 스퍼터법에 의해 상기 장벽금속막보다 얇은 1nm의 막 두께를 갖는 질화물막을 형성하고, 이 질화물막 상에 CVD법에 의해 Cu막을 형성한 후, 100~400℃에서 어닐 처리를 행하는 것을 특징으로 하는 Cu막의 형성방법.
- 청구항 1에 있어서,상기 어닐 처리를 행한 후, 상기 Cu막 상에 PVD법 또는 도금법에 의해 Cu막을 더 형성하는 것을 특징으로 하는 Cu막의 형성방법.
- 청구항 2에 있어서,상기 PVD법 또는 도금법에 의해 Cu막을 형성한 후, 100~400℃에서 다시 어닐 처리를 행하는 것을 특징으로 하는Cu막의 형성방법.
- 기판상에 스퍼터법에 의해 장벽금속막으로서 Ti막 또는 Ta막을 형성하고, 이 장벽금속막 상에 CVD법에 의해 Cu막을 형성하는 Cu막의 형성방법에 있어서,상기 장벽금속막 상에 스퍼터법에 의해 상기 장벽금속막보다 얇은 1nm의 막 두께를 갖는 질화물막을 형성하고, 이 질화물막 상에 CVD법에 의해 Cu막을 형성한 후, 이 Cu막 상에 PVD법 또는 도금법에 의해 Cu막을 형성하고, 그 다음에 100~400℃에서 어닐 처리를 행하는 것을 특징으로 하는 Cu막의 형성방법.
- 청구항 1 내지 4의 어느 한 항에 있어서,상기 장벽금속막의 형성을 Ar 가스를 공급하여 행하고, 또, 상기 질화물막의 형성을 Ar 가스와 N2 가스를 공급하여 행하는 것을 특징으로 하는 Cu 막의 형성방법.
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JP2005348856 | 2005-12-02 | ||
JPJP-P-2005-00348856 | 2005-12-02 | ||
PCT/JP2006/324189 WO2007064012A1 (ja) | 2005-12-02 | 2006-12-04 | Cu膜の形成方法 |
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KR101100288B1 true KR101100288B1 (ko) | 2011-12-28 |
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US (1) | US20090078580A1 (ko) |
EP (2) | EP2221864B1 (ko) |
JP (2) | JPWO2007064012A1 (ko) |
KR (1) | KR101100288B1 (ko) |
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JP2009044056A (ja) * | 2007-08-10 | 2009-02-26 | Ulvac Japan Ltd | 銅膜作製方法 |
JP2013048268A (ja) * | 2012-10-18 | 2013-03-07 | Ulvac Japan Ltd | 銅膜作製方法 |
SG11201501175TA (en) | 2012-12-19 | 2015-05-28 | Jx Nippon Mining & Metals Corp | Tantalum sputtering target and method for producing same |
EP2878700B1 (en) * | 2012-12-19 | 2021-01-20 | JX Nippon Mining & Metals Corporation | Method for producing tantalum sputtering target |
JP5884122B1 (ja) | 2014-06-05 | 2016-03-15 | Jx金属株式会社 | 塩化銅の製造方法 |
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2006
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- 2006-12-04 JP JP2007548033A patent/JPWO2007064012A1/ja not_active Withdrawn
- 2006-12-04 US US12/085,593 patent/US20090078580A1/en not_active Abandoned
- 2006-12-04 KR KR1020087015609A patent/KR101100288B1/ko active IP Right Grant
- 2006-12-04 CN CN200680044745A patent/CN100578743C/zh active Active
- 2006-12-04 WO PCT/JP2006/324189 patent/WO2007064012A1/ja active Application Filing
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JP2001298028A (ja) | 2000-04-17 | 2001-10-26 | Tokyo Electron Ltd | 半導体デバイス製造方法 |
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Also Published As
Publication number | Publication date |
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EP2221864B1 (en) | 2018-04-11 |
CN100578743C (zh) | 2010-01-06 |
US20090078580A1 (en) | 2009-03-26 |
WO2007064012A1 (ja) | 2007-06-07 |
EP1970947A4 (en) | 2009-07-22 |
KR20080071616A (ko) | 2008-08-04 |
JPWO2007064012A1 (ja) | 2009-05-07 |
EP1970947A1 (en) | 2008-09-17 |
CN101317251A (zh) | 2008-12-03 |
JP2012212899A (ja) | 2012-11-01 |
EP2221864A3 (en) | 2010-11-03 |
JP5526189B2 (ja) | 2014-06-18 |
EP1970947B1 (en) | 2016-08-24 |
EP2221864A2 (en) | 2010-08-25 |
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