JP2007515775A - 半導体装置及びその製造方法 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000009499 grossing Methods 0.000 claims abstract description 59
- 239000003990 capacitor Substances 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 150000004767 nitrides Chemical class 0.000 claims abstract description 24
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 22
- 239000010936 titanium Substances 0.000 claims description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 16
- 229910052719 titanium Inorganic materials 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 6
- 230000003746 surface roughness Effects 0.000 claims description 5
- 239000003989 dielectric material Substances 0.000 claims description 4
- 230000005684 electric field Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 124
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000005240 physical vapour deposition Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 230000008901 benefit Effects 0.000 description 7
- 238000000231 atomic layer deposition Methods 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 239000006117 anti-reflective coating Substances 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- -1 Argon ions Chemical class 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 2
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002195 soluble material Substances 0.000 description 2
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 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
- 230000010354 integration Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910000457 iridium oxide Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/60—Electrodes
- H01L28/75—Electrodes comprising two or more layers, e.g. comprising a barrier layer and a metal layer
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
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- 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
- H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
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- 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
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- H01L28/65—Electrodes comprising a noble metal or a noble metal oxide, e.g. platinum (Pt), ruthenium (Ru), ruthenium dioxide (RuO2), iridium (Ir), iridium dioxide (IrO2)
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Abstract
Description
Claims (20)
- 半導体基板と、
前記半導体基板上に形成された第1の電極と、
前記第1の電極上に形成され、前記第1の電極よりも小さい表面粗度を有する第1の導電性平滑化層と、
前記第1の導電性平滑化層上に形成された誘電体層と、
前記誘電体層上に形成された第2の電極と
を有する半導体装置。 - 請求項1記載の半導体装置において、
前記誘電体層と前記第2の電極との間に形成された第2の導電性平滑化層を更に有し、前記第2の導電性平滑化層は、前記第2の電極よりも小さい粗度を有する半導体装置。 - 請求項2記載の半導体装置において、
前記第2の導電性平滑化層は難溶性金属を含む半導体装置。 - 請求項1記載の半導体装置において、
前記第1の電極は、金属からなる第1の層と難溶性窒化物からなる第2の層とを有し、前記第2の電極は、金属からなる半導体装置。 - 請求項1記載の半導体装置において、
前記第1の電極及び前記第2の電極は難溶性窒化物からなる半導体装置。 - 請求項5記載の半導体装置において、
前記難溶性窒化物は、窒化チタン及び窒化タンタルよりなる群から選択された材料からなる半導体装置。 - 請求項1記載の半導体装置において、
前記第1の導電性平滑化層はチタンリッチ窒化物からなる半導体装置。 - 請求項1記載の半導体装置において、
前記誘電体層は高誘電率材料からなる半導体装置。 - 請求項1記載の半導体装置において、
前記第1の電極、前記第1の導電性平滑化層、前記誘電体層及び前記第2の電極は、金属−絶縁体−金属(MIM)キャパシタの一部を構成する半導体装置。 - 請求項9記載の半導体装置において、
前記第1の電極上にキャッピング層を更に有し、前記キャッピング層は難溶性窒化物からなり、前記第1の電極は金属からなる半導体装置。 - 導電層と、
前記導電層と接触するように形成され、前記導電層よりも小さい表面粗度を有する平滑化層と、
前記平滑化層と接触するように形成された誘電体層と
を有する半導体装置。 - 請求項11記載の半導体装置において、
前記平滑化層はチタンリッチ窒化物からなる半導体装置。 - 請求項12記載の半導体装置において、
前記導電層は窒化チタンからなり、前記平滑化層はチタンからなる半導体装置。 - 請求項11記載の半導体装置において、
前記導電層、前記平滑化層及び前記誘電体層は、トランジスタ及びキャパシタよりなる群から選択される装置の一部を構成する半導体装置。 - 請求項11記載の半導体装置において、
前記導電層は第1の層からなり、該第1の層は金属と難溶性窒化物からなる第2の層とを有する半導体装置。 - 請求項11記載の半導体装置において、
前記誘電体層は高誘電体材料からなる半導体装置。 - 半導体基板と、
前記半導体基板上に形成され、金属からなる第1の層とその第1の層上に第2の層とを備え、前記第2の層が難溶性窒化物からなる第1の電極と、
前記第1の電極上に形成され、チタンリッチ窒化物からなる前記第1の平滑化層と、
前記第1の平滑化層上に形成された誘電体層と、
前記誘電体層上に形成され、難溶性窒化物からなる第3の層とその第3の層上に第4の層とを備え、前記第4の層が金属からなる第2の電極と
を有する半導体装置。 - 請求項17記載の半導体装置において、
前記難溶性窒化物は、窒化チタン及び窒化タンタルよりなる群から選択された材料からなる半導体装置。 - 請求項17記載の半導体装置において、
前記難溶性金属はチタンからなる半導体装置。 - 半導体装置の製造方法において、
半導体基板を提供するステップと、
前記半導体基板上に第1の電極を形成するステップと、
前記第1の電極上に第1の導電性平滑化層を形成するステップであって、前記第1の平滑化層が前記第1の電極よりも低い表面粗度を有するステップと、
前記第1の平滑化層上に誘電体層を形成するステップと、
前記誘電体層上に第2の電極を形成するステップと
を有する方法。
Applications Claiming Priority (2)
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US10/668,694 US7078785B2 (en) | 2003-09-23 | 2003-09-23 | Semiconductor device and making thereof |
PCT/US2004/028262 WO2005036597A2 (en) | 2003-09-23 | 2004-08-31 | Semiconductor device and making thereof |
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JP2007515775A true JP2007515775A (ja) | 2007-06-14 |
JP2007515775A5 JP2007515775A5 (ja) | 2007-09-06 |
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US (1) | US7078785B2 (ja) |
EP (1) | EP1668673A2 (ja) |
JP (1) | JP2007515775A (ja) |
KR (1) | KR101054673B1 (ja) |
CN (1) | CN101160663B (ja) |
TW (1) | TWI349367B (ja) |
WO (1) | WO2005036597A2 (ja) |
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Also Published As
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WO2005036597A2 (en) | 2005-04-21 |
US20050062130A1 (en) | 2005-03-24 |
WO2005036597A3 (en) | 2007-12-06 |
US7078785B2 (en) | 2006-07-18 |
KR101054673B1 (ko) | 2011-08-08 |
CN101160663A (zh) | 2008-04-09 |
TW200518338A (en) | 2005-06-01 |
CN101160663B (zh) | 2010-10-27 |
TWI349367B (en) | 2011-09-21 |
EP1668673A2 (en) | 2006-06-14 |
KR20070017953A (ko) | 2007-02-13 |
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