KR100234393B1 - 반도체 장치의 강유전체 커패시터 및 그 제조방법 - Google Patents
반도체 장치의 강유전체 커패시터 및 그 제조방법 Download PDFInfo
- Publication number
- KR100234393B1 KR100234393B1 KR1019960052175A KR19960052175A KR100234393B1 KR 100234393 B1 KR100234393 B1 KR 100234393B1 KR 1019960052175 A KR1019960052175 A KR 1019960052175A KR 19960052175 A KR19960052175 A KR 19960052175A KR 100234393 B1 KR100234393 B1 KR 100234393B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- oxide
- ferroelectric
- contact hole
- ferroelectric capacitor
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- 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
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (6)
- 반도체 기판의 일부분을 노출시키는 콘택홀을 갖는 층간절연막;상기 콘택홀에 형성된 확산방지막;상기 확산방지막 상에 형성되어 상기 콘택홀을 매립하는 반응방지막;상기 반응방지막과 연결되어 형성된 하부전극;상기 하부 전극 상에 형성된 강유전체막; 및상기 강유전체막 상에 형성된 상부전극을 포함하여 이루어지는 것을 특징으로 하는 반도체 장치의 강유전체 커패시터.
- 제1항에 있어서, 상기 반응방지막을 구성하는 물질은 백금족 금속의 산화물인 것을 특징으로 하는 반도체 장치의 강유전체 커패시터.
- 제2항에 있어서, 상기 백금족 금속의 산화물은 산화루테니움, 산화이리디움 및 산화오스늄 중에서 선택된 하나인 것을 특징으로 하는 반도체 장치의 강유전체 커패시터.
- 제1항에 있어서, 상기 확산방지막을 구성하는 물질은 Ta, Ru, Ir, Os, Pd, WSi, Wn 및 W 중에서 선택된 하나인 것을 특징으로 하는 반도체 장치의 강유전체 커패시터.
- 반도체 기판 상에 콘택홀을 갖는 층간절연막을 형성하는 단계;상기 콘택홀에 배리어막용 확산방지막을 형성하는 단계;상기 확산방지막 상에 상기 콘택홀을 매립하도록 배리어막용 반응방지막을 형성하는 단계;상기 반응방지막과 연결되도록 하부전극을 형성하는 단계;상기 하부 전극 상에 형성된 강유전체막을 형성하는 단계; 및상기 강유전체막 상에 형성된 상부전극을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 장치의 강유전체 커패시터 제조방법.
- 제5항에 있어서, 상기 확산방지막은 Ta, Ru, Ir, Os, Pd, WSi, WN 및 W 중에서 선택된 하나로 형성하고, 상기 반응방지막은 백금족 금속의 산화물로 형성하는 것을 특징으로 하는 반도체 장치의 강유전체 커패시터 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960052175A KR100234393B1 (ko) | 1996-11-05 | 1996-11-05 | 반도체 장치의 강유전체 커패시터 및 그 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960052175A KR100234393B1 (ko) | 1996-11-05 | 1996-11-05 | 반도체 장치의 강유전체 커패시터 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980034210A KR19980034210A (ko) | 1998-08-05 |
KR100234393B1 true KR100234393B1 (ko) | 1999-12-15 |
Family
ID=19480877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960052175A Expired - Fee Related KR100234393B1 (ko) | 1996-11-05 | 1996-11-05 | 반도체 장치의 강유전체 커패시터 및 그 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100234393B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100351451B1 (ko) * | 1999-12-30 | 2002-09-09 | 주식회사 하이닉스반도체 | 반도체메모리장치의 커패시터제조방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07226444A (ja) * | 1994-02-14 | 1995-08-22 | Texas Instr Japan Ltd | キャパシタ、電極又は配線構造、及び半導体装置 |
US5471364A (en) * | 1993-03-31 | 1995-11-28 | Texas Instruments Incorporated | Electrode interface for high-dielectric-constant materials |
US5489548A (en) * | 1994-08-01 | 1996-02-06 | Texas Instruments Incorporated | Method of forming high-dielectric-constant material electrodes comprising sidewall spacers |
-
1996
- 1996-11-05 KR KR1019960052175A patent/KR100234393B1/ko not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5471364A (en) * | 1993-03-31 | 1995-11-28 | Texas Instruments Incorporated | Electrode interface for high-dielectric-constant materials |
JPH07226444A (ja) * | 1994-02-14 | 1995-08-22 | Texas Instr Japan Ltd | キャパシタ、電極又は配線構造、及び半導体装置 |
US5489548A (en) * | 1994-08-01 | 1996-02-06 | Texas Instruments Incorporated | Method of forming high-dielectric-constant material electrodes comprising sidewall spacers |
Also Published As
Publication number | Publication date |
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KR19980034210A (ko) | 1998-08-05 |
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