KR100209377B1 - 반도체 소자의 캐패시터 제조방법 - Google Patents
반도체 소자의 캐패시터 제조방법 Download PDFInfo
- Publication number
- KR100209377B1 KR100209377B1 KR1019970005942A KR19970005942A KR100209377B1 KR 100209377 B1 KR100209377 B1 KR 100209377B1 KR 1019970005942 A KR1019970005942 A KR 1019970005942A KR 19970005942 A KR19970005942 A KR 19970005942A KR 100209377 B1 KR100209377 B1 KR 100209377B1
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- South Korea
- Prior art keywords
- film
- forming
- capacitor
- tin
- semiconductor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003990 capacitor Substances 0.000 title claims abstract description 25
- 239000004065 semiconductor Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000009792 diffusion process Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 238000007669 thermal treatment Methods 0.000 claims abstract description 3
- 230000003647 oxidation Effects 0.000 claims abstract 2
- 238000007254 oxidation reaction Methods 0.000 claims abstract 2
- 238000003860 storage Methods 0.000 claims description 20
- 229910008484 TiSi Inorganic materials 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 abstract description 29
- 239000010936 titanium Substances 0.000 abstract description 17
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052719 titanium Inorganic materials 0.000 abstract description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052707 ruthenium Inorganic materials 0.000 abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 1
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 abstract 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract 1
- 239000010408 film Substances 0.000 description 96
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 9
- 239000010409 thin film Substances 0.000 description 9
- 238000009826 distribution Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910019895 RuSi Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910021341 titanium silicide Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/696—Electrodes comprising multiple layers, e.g. comprising a barrier layer and a metal layer
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/694—Electrodes comprising noble metals or noble metal oxides
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
- 반도체 기판 상부에 저장전극용 콘택홀을 구비하는 절연막을 형성하는 공정과, 상기 콘택홀을 메우는 콘택플러그를 형성하는 공정과, 상기 구조의 전표면에 Ti막/TiN막의 적층 구조로된 확산방지막을 형성하는 공정과, 상기 TiN막을 산소분위기에서 급속열처리하여 상부에는 TiNxOy막을 형성하고, 하부에는 콘택플러그와 접촉되는 Ti막을 반응시켜 TiSix막을 형성하는 공정과, 상기 구조의 전표면에 Ru막을 형성하는 공정과, 상기 Ti막이 노출될 때까지 식각하여 저장전극을 형성하는 공정과, 상기 저장전극 표면을 감싸는 유전체막을 형성하는 공정과, 상기 유전체막 상부에 플레이트전극을 형성하는 공정으로 구성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1에 있어서, 상기 산화 공정은 급속열처리법으로 실시하되, 온도가 500℃ ~ 800℃, 시간이 10초 ~ 60초, 산소유량은 0.1 ~ 1 SLM 범위에서 실시하는 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1에 있어서, 상기 Ti막은 100Å ~ 1000Å 두께로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1에 있어서, 상기 TiN막은 200Å ~ 2000Å 두께로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1에 있어서, 상기 확산방지막은 CVD법으로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970005942A KR100209377B1 (ko) | 1997-02-26 | 1997-02-26 | 반도체 소자의 캐패시터 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970005942A KR100209377B1 (ko) | 1997-02-26 | 1997-02-26 | 반도체 소자의 캐패시터 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980069067A KR19980069067A (ko) | 1998-10-26 |
KR100209377B1 true KR100209377B1 (ko) | 1999-07-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970005942A Expired - Fee Related KR100209377B1 (ko) | 1997-02-26 | 1997-02-26 | 반도체 소자의 캐패시터 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100209377B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100706823B1 (ko) * | 2001-06-30 | 2007-04-12 | 주식회사 하이닉스반도체 | 티타늄나이트라이드막을 이용한 확산방지막과오믹콘택층의 동시 형성 방법 |
-
1997
- 1997-02-26 KR KR1019970005942A patent/KR100209377B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19980069067A (ko) | 1998-10-26 |
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