KR19980060601A - 반도체 소자의 캐패시터 제조방법 - Google Patents
반도체 소자의 캐패시터 제조방법 Download PDFInfo
- Publication number
- KR19980060601A KR19980060601A KR1019960079963A KR19960079963A KR19980060601A KR 19980060601 A KR19980060601 A KR 19980060601A KR 1019960079963 A KR1019960079963 A KR 1019960079963A KR 19960079963 A KR19960079963 A KR 19960079963A KR 19980060601 A KR19980060601 A KR 19980060601A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- forming
- dielectric
- diffusion barrier
- dielectric film
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 title abstract description 15
- 238000004519 manufacturing process Methods 0.000 title abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 21
- 150000004767 nitrides Chemical class 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 11
- 229910002367 SrTiO Inorganic materials 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 18
- 238000009792 diffusion process Methods 0.000 claims description 18
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 239000013078 crystal Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 239000011810 insulating material Substances 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 49
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910002370 SrTiO3 Inorganic materials 0.000 description 1
- 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
- 230000006866 deterioration Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 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
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- 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
- H10D1/682—Capacitors having no potential barriers having dielectrics comprising perovskite structures
-
- 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
- H01L21/76838—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
- H01L21/7685—Barrier, adhesion or liner layers the layer covering a conductive structure
-
- 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
-
- 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
Landscapes
- 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)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (10)
- 반도체 기판 상부에 저장전극 콘택홀을 구비하는 절연막을 형성하는 공정과,상기 콘택홀을 메우는 콘택플러그를 형성하는 공정과,상기 콘택플러그 상부에 서로 적층되어 있는 확산방지막패턴을 형성하는 공정과,상기 확산방지막패턴의 표면을 감싸는 도전층패턴을 형성하여 상기 콘택플러그와 확산방지막패턴 및 도전층패턴으로 구성되는 저장전극패턴을 형성하는 공정과,상기 저장전극패턴 상부에 유전체막을 BST 또는 SrTiO3막으로 형성하는 공정과,상기 유전체막 상부에 질화막을 형성하는 공정과,상기 질화막을 열처리공정으로 상기 유전체막 내부로 확산시켜 유전율을 증가시키는 공정과,상기 유전체막 상부에 플레이트전극을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1 에 있어서, 상기 확산방지막은 Ti\TiN 또는 Ta\TaN으로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 2 에 있어서, 상기 확산방지막은 200Å ~ 2000Å 두께로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1 에 있어서, 상기 도전층은 Pt 또는 Ru\RuO2로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 4 에 있어서, 상기 도전층의 Pt는 1000Å ~ 5000Å 두께로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 4 에 있어서, 상기 도전층의 Ru\RuO2는 각각 100Å ~ 1000Å, 500Å ~ 5000Å 두께로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1 에 있어서, 상기 유전체막은 100Å ~ 1000Å 두께로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1 에 있어서, 상기 질화막은 10Å ~ 50Å 두께로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1 에 있어서, 상기 질화막을 400 ~ 700Å 에서 열처리공정으로 확산시켜 상기 유전체막내에 절연층이 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
- 청구항 1 에 있어서, 상기 플레이트전극은 Pt 또는 RuO2으로 형성된 것을 특징으로 하는 반도체 소자의 캐패시터 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960079963A KR19980060601A (ko) | 1996-12-31 | 1996-12-31 | 반도체 소자의 캐패시터 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960079963A KR19980060601A (ko) | 1996-12-31 | 1996-12-31 | 반도체 소자의 캐패시터 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR19980060601A true KR19980060601A (ko) | 1998-10-07 |
Family
ID=66423440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960079963A KR19980060601A (ko) | 1996-12-31 | 1996-12-31 | 반도체 소자의 캐패시터 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR19980060601A (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04299854A (ja) * | 1991-03-28 | 1992-10-23 | Nec Corp | 半導体装置およびその製造方法 |
KR940001405A (ko) * | 1992-06-24 | 1994-01-11 | 문정환 | 메모리셀 캐패시터의 유전막 누설전류 개선방법 |
KR940016755A (ko) * | 1992-12-10 | 1994-07-25 | 김광호 | 반도체 메모리장치 및 그 제조방법 |
JPH0845925A (ja) * | 1994-07-27 | 1996-02-16 | Fujitsu Ltd | 高誘電率薄膜と半導体装置及びそれぞれの製造方法 |
KR960006022A (ko) * | 1994-07-09 | 1996-02-23 | 문정환 | 반도체 메모리 제조 방법 |
JPH08340091A (ja) * | 1995-03-22 | 1996-12-24 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
-
1996
- 1996-12-31 KR KR1019960079963A patent/KR19980060601A/ko not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04299854A (ja) * | 1991-03-28 | 1992-10-23 | Nec Corp | 半導体装置およびその製造方法 |
KR940001405A (ko) * | 1992-06-24 | 1994-01-11 | 문정환 | 메모리셀 캐패시터의 유전막 누설전류 개선방법 |
KR940016755A (ko) * | 1992-12-10 | 1994-07-25 | 김광호 | 반도체 메모리장치 및 그 제조방법 |
KR960006022A (ko) * | 1994-07-09 | 1996-02-23 | 문정환 | 반도체 메모리 제조 방법 |
JPH0845925A (ja) * | 1994-07-27 | 1996-02-16 | Fujitsu Ltd | 高誘電率薄膜と半導体装置及びそれぞれの製造方法 |
JPH08340091A (ja) * | 1995-03-22 | 1996-12-24 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6376325B1 (en) | Method for fabricating a ferroelectric device | |
KR0147640B1 (ko) | 반도체 장치의 커패시터 및 그 제조방법 | |
JP3636846B2 (ja) | 高誘電体キャパシタの製造方法 | |
JPH06244435A (ja) | 半導体装置及びその製造方法 | |
US6888189B2 (en) | Dielectric element including oxide-based dielectric film and method of fabricating the same | |
KR100273689B1 (ko) | 반도체메모리장치및그제조방법 | |
JPH09199687A (ja) | 半導体素子のキャパシタおよびその製造方法 | |
KR100304135B1 (ko) | 고유전율유전체및두꺼운전극을갖는커패시터및그제조방법 | |
JP3662136B2 (ja) | 半導体メモリ装置及びその製造方法 | |
KR0180784B1 (ko) | 반도체소자 캐패시터 형성방법 | |
KR100275113B1 (ko) | 반도체장치의강유전체캐패시터제조방법 | |
US6232177B1 (en) | Method for increasing surface area of a bottom electrode for a DRAM | |
KR19980060601A (ko) | 반도체 소자의 캐패시터 제조방법 | |
KR0165408B1 (ko) | 고유전막 캐패시터의 제조방법 | |
KR100425826B1 (ko) | 반도체소자의캐패시터제조방법 | |
KR100464938B1 (ko) | 폴리실리콘 플러그 구조를 사용한 반도체 소자의 캐패시터형성방법 | |
KR100326242B1 (ko) | 반도체장치의커패시터형성방법 | |
KR100284077B1 (ko) | 강유전체막을 구비하는 반도체소자 및 그 제조방법 | |
KR100231597B1 (ko) | 반도체 소자의 캐패시터 제조방법 | |
KR19980040654A (ko) | 반도체 장치의 커패시터 제조방법 | |
KR100219510B1 (ko) | 에프 램(fram) 셀의 제조방법 | |
KR100475024B1 (ko) | 반도체소자의캐패시터형성방법 | |
KR100400290B1 (ko) | 반도체 소자의 캐패시터 제조방법 | |
JPH09129849A (ja) | 半導体素子のキャパシター及びその製造方法 | |
KR20010059002A (ko) | 반도체 소자의 캐패시터 형성방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19961231 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20011204 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19961231 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20031213 Patent event code: PE09021S01D |
|
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20040226 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20031213 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |