JP2006526291A - コンデンサ構造体、コンデンサ構造体作製方法、誘電体材料を含む構造物の作製方法 - Google Patents
コンデンサ構造体、コンデンサ構造体作製方法、誘電体材料を含む構造物の作製方法 Download PDFInfo
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- JP2006526291A JP2006526291A JP2006514294A JP2006514294A JP2006526291A JP 2006526291 A JP2006526291 A JP 2006526291A JP 2006514294 A JP2006514294 A JP 2006514294A JP 2006514294 A JP2006514294 A JP 2006514294A JP 2006526291 A JP2006526291 A JP 2006526291A
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- dielectric material
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- 239000003989 dielectric material Substances 0.000 title claims abstract description 48
- 239000003990 capacitor Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000000034 method Methods 0.000 title abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 138
- 239000002184 metal Substances 0.000 claims abstract description 138
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000000151 deposition Methods 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims description 47
- 239000000758 substrate Substances 0.000 claims description 22
- 239000004065 semiconductor Substances 0.000 claims description 19
- 229910052746 lanthanum Inorganic materials 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- CAVCGVPGBKGDTG-UHFFFAOYSA-N alumanylidynemethyl(alumanylidynemethylalumanylidenemethylidene)alumane Chemical compound [Al]#C[Al]=C=[Al]C#[Al] CAVCGVPGBKGDTG-UHFFFAOYSA-N 0.000 claims description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 abstract description 30
- 150000004706 metal oxides Chemical class 0.000 abstract description 27
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052796 boron Inorganic materials 0.000 abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 180
- 150000004767 nitrides Chemical class 0.000 description 35
- 238000006243 chemical reaction Methods 0.000 description 24
- 239000002243 precursor Substances 0.000 description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- 230000008021 deposition Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 229910052710 silicon Inorganic materials 0.000 description 12
- 239000010703 silicon Substances 0.000 description 12
- 238000000231 atomic layer deposition Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 229910052735 hafnium Inorganic materials 0.000 description 8
- 239000011810 insulating material Substances 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 6
- 150000001247 metal acetylides Chemical class 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- -1 lanthanum metals Chemical class 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 238000005137 deposition process Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 150000003624 transition metals Chemical class 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 239000007833 carbon precursor Substances 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 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
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011856 silicon-based particle Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000013589 supplement Substances 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
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- 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
-
- H—ELECTRICITY
- 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
- H01L28/55—Capacitors with a dielectric comprising a perovskite structure material
- H01L28/57—Capacitors with a dielectric comprising a perovskite structure material comprising a barrier layer to prevent diffusion of hydrogen or oxygen
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
- H10B12/0335—Making a connection between the transistor and the capacitor, e.g. plug
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Semiconductor Memories (AREA)
- Semiconductor Integrated Circuits (AREA)
- Inorganic Insulating Materials (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
Claims (5)
- 半導体基板を供給し、
前記半導体基板上へ第一導電性材料を形成し、
前記第一導電性材料上へほぼアルミニウム炭化物から成る中間層を形成し、
前記中間層に対して主にアルミニウム組成物及び酸素を含む誘電体層を直接蒸着し、及び
前記誘電体層上へ、前記第一導電性材料と容量的に結合されている第二導電性材料を形成することから構成される、コンデンサ構造体の作製方法。 - 半導体基板を供給し、
前記半導体基板上へ第一導電性材料を形成し、
前記第一導電性材料上へほぼアルミニウム炭化物から成る第一中間層を形成し、
前記第一中間層に対して主にアルミニウム組成物及び酸素を含む誘電体層を直接蒸着し、
前記誘電体層上へほぼアルミニウム炭化物から成る第二中間層を形成し、及び
前記第二中間層上へ、前記第一導電性材料と容量的に結合されている第二導電性材料を形成することから構成される、コンデンサ構造体の作製方法。 - 半導体基板を供給し、
前記半導体基板上へ第一導電性材料を形成し、
前記第一導電性材料上へ、ほぼランタン系金属炭化物から成る第一中間層を形成し、
前記第一中間層に対して主にランタン系金属及び酸素を含む誘電体層を直接蒸着し、
前記誘電体層上へ、ほぼランタン系金属炭化物から成る第二中間層を形成し、及び
前記第二中間層上へ、前記第一導電性材料と容量的に結合されている第二導電性材料を形成することから構成される、コンデンサ構造体の作製方法。 - 第一導電性材料、
前記第一導電性材料上の、アルミニウム炭化物から成る第一中間層、
前記第一中間層上へ直接接している、アルミニウム酸化物から成る誘電体材料、
前記誘電体材料上の、アルミニウム炭化物から成る第二中間層、及び
前記第一導電性材料と容量的に結合されている、前記第二中間層上の第二導電性材料、から構成されるコンデンサ構造体。 - 第一導電性材料、
前記第一導電性材料上のほぼアルミニウム炭化物から成る第一中間層、
前記第一中間層上へ直接接している、主にアルミニウム組成物及び酸素を含む誘電体材料、
前記誘電体材料上の、ほぼアルミニウム炭化物から成る第二中間層、及び
前記第一導電性材料と容量的に結合されている、前記第二中間層上の第二導電性材料、から構成されるコンデンサ構造体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/435,103 US6812110B1 (en) | 2003-05-09 | 2003-05-09 | Methods of forming capacitor constructions, and methods of forming constructions comprising dielectric materials |
PCT/US2004/013963 WO2004102592A2 (en) | 2003-05-09 | 2004-05-04 | Capacitor constructions, and their methods of forming |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006526291A true JP2006526291A (ja) | 2006-11-16 |
JP4157966B2 JP4157966B2 (ja) | 2008-10-01 |
Family
ID=33299562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006514294A Expired - Lifetime JP4157966B2 (ja) | 2003-05-09 | 2004-05-04 | コンデンサ構造体、コンデンサ構造体作製方法、誘電体材料を含む構造物の作製方法 |
Country Status (7)
Country | Link |
---|---|
US (3) | US6812110B1 (ja) |
EP (1) | EP1623453A2 (ja) |
JP (1) | JP4157966B2 (ja) |
KR (1) | KR100678012B1 (ja) |
CN (1) | CN100424818C (ja) |
TW (1) | TWI298926B (ja) |
WO (1) | WO2004102592A2 (ja) |
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DE102004056654A1 (de) * | 2004-11-24 | 2005-12-08 | Infineon Technologies Ag | Verfahren zum Herstellen von kapazitiven Elementen |
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JP2007157829A (ja) * | 2005-12-01 | 2007-06-21 | Matsushita Electric Ind Co Ltd | 半導体装置 |
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-
2003
- 2003-05-09 US US10/435,103 patent/US6812110B1/en not_active Expired - Fee Related
- 2003-11-06 US US10/704,284 patent/US7129535B2/en not_active Expired - Lifetime
-
2004
- 2004-05-04 CN CNB2004800195697A patent/CN100424818C/zh not_active Expired - Fee Related
- 2004-05-04 KR KR1020057021178A patent/KR100678012B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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US6812110B1 (en) | 2004-11-02 |
KR20060009003A (ko) | 2006-01-27 |
EP1623453A2 (en) | 2006-02-08 |
CN1820352A (zh) | 2006-08-16 |
CN100424818C (zh) | 2008-10-08 |
US7323737B2 (en) | 2008-01-29 |
US20040224466A1 (en) | 2004-11-11 |
US20070026601A1 (en) | 2007-02-01 |
US20040224467A1 (en) | 2004-11-11 |
KR100678012B1 (ko) | 2007-02-02 |
WO2004102592B1 (en) | 2005-03-10 |
TW200503157A (en) | 2005-01-16 |
US7129535B2 (en) | 2006-10-31 |
JP4157966B2 (ja) | 2008-10-01 |
TWI298926B (en) | 2008-07-11 |
WO2004102592A3 (en) | 2005-01-20 |
WO2004102592A2 (en) | 2004-11-25 |
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