KR910017660A - 반도체 장치 제조방법 - Google Patents

반도체 장치 제조방법 Download PDF

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Publication number
KR910017660A
KR910017660A KR1019910003983A KR910003983A KR910017660A KR 910017660 A KR910017660 A KR 910017660A KR 1019910003983 A KR1019910003983 A KR 1019910003983A KR 910003983 A KR910003983 A KR 910003983A KR 910017660 A KR910017660 A KR 910017660A
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KR
South Korea
Prior art keywords
lower electrode
ferroelectric material
metal layer
semiconductor body
metal
Prior art date
Application number
KR1019910003983A
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English (en)
Inventor
아드리아누스 마리아 볼테르스 로베르투스
요셉 엠마누엘 우레나에르스 마티우
Original Assignee
프레데릭 얀 스미트
엔. 브이. 필립스 글로아이람펜파브리켄
Priority date (The priority date 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 date listed.)
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Application filed by 프레데릭 얀 스미트, 엔. 브이. 필립스 글로아이람펜파브리켄 filed Critical 프레데릭 얀 스미트
Publication of KR910017660A publication Critical patent/KR910017660A/ko

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory 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
    • 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
    • H01L28/60—Electrodes
    • 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
    • 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
    • H01L28/60—Electrodes
    • H01L28/75—Electrodes comprising two or more layers, e.g. comprising a barrier layer and a metal layer

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Semiconductor Memories (AREA)
  • Semiconductor Integrated Circuits (AREA)

Abstract

내용 없음

Description

반도체 장치 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명에 따른 방법에 의해 제조되며 표면상에 메모리 소자를 형성하는 캐패시터를 가진 반도체 장치의 단도면.

Claims (6)

  1. 반도체 장치를 제조하는 방법으로서, 상기 반도체 장치는 반도체 몸체를 포함하며, 상기 반도체 몸체는 캐패시터가 제공된 반도체 몸체 표면을 가지며, 상기 캐패시터는 메모리 소자를 형성하며, 상기 캐패시터는 플라티늄을 포함하는 하부전극과, 강유전체 물질과, 상부 전극을 포함하는 상기 방법에 있어서, 상기 플라티늄을 포함하는 하부 전극은 상기 반도체 몸체 표면상에 티타늄, 지르코늄, 하프늄 또는 이들 금속의 합금 그룹으로 부터의 금속을 포함하는 제 1금속층, 플라티늄을 포함하는 제 2층 및 티타늄, 지르코늄, 하프늄 또는 이들 금속의 합금으로부터의 금속을 포함하는 제 3금속층을 연속적으로 부착하는 것에 의해 형성하고, 그 때에 상기 반도체 몸체를 산소를 함유하는 분위기 속에서 가열하는 것을 특징으로 하는 방법.
  2. 제 1항에 있어서, 상기 제 1금속층과 상기 제 3금속층의 모두를 티타늄으로 만든 방법.
  3. 제 1 또는 2항에 있어서, 상기 하부전극을 부착한 후 가열하기 전에 강유전체 물질을 제공하고, 그 후에 상기 하부전극과 상기 강유전체 물질의 모두를 산소함유 분위기 속에서 가열하는 것을 특징으로 하는 방법.
  4. 제 3항에 있어서, 상기 하부전극과 상기 강유전체 물질을 제공하고 가열처리한 후에 상기 하부전극과 상기 강유전체 물질을 소정의 패턴으로 에칭하는 것을 특징으로 하는 방법.
  5. 제 1, 2, 3 또는 4항에 있어서, 상기 하부전극과 상기 강유전체 물질을 제공한 후, 상기 강유전체 물질의 표면상에 티타늄, 지르코늄, 하프늄 또는 이들 금속의 합금 그룹으로 부터의 금속을 포함하는 제 1 금속층, 플라티늄을 포함하는 제 2층 티타늄, 지르코늄, 하프늄 또는 이들 금속의 합금 그룹으로 부터의 금속을 함하는 제 3금속층을 연속적으로 부착하는 것에 의해 상부전극을 상기 강유전체 물질상에 제공하고, 그 때에 상기 반도체 몸체를 산소함유 분위기 속에서 가열하는 것을 특징으로 하는 방법.
  6. 제 5항에 있어서, 상기 상부전극의 제 1 금속층과 상기 하부전극의 제 3금속층이 동일한 조성물을 갖게 한 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910003983A 1990-03-16 1991-03-13 반도체 장치 제조방법 KR910017660A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9000602 1990-03-16
NL9000602A NL9000602A (nl) 1990-03-16 1990-03-16 Werkwijze voor het vervaardigen van een halfgeleiderinrichting met geheugenelementen vormende condensatoren met een ferroelectrisch dielectricum.

Publications (1)

Publication Number Publication Date
KR910017660A true KR910017660A (ko) 1991-11-05

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KR1019910003983A KR910017660A (ko) 1990-03-16 1991-03-13 반도체 장치 제조방법

Country Status (5)

Country Link
US (1) US5122477A (ko)
EP (1) EP0448151A1 (ko)
JP (1) JPH04221848A (ko)
KR (1) KR910017660A (ko)
NL (1) NL9000602A (ko)

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EP0448151A1 (en) 1991-09-25
JPH04221848A (ja) 1992-08-12
NL9000602A (nl) 1991-10-16
US5122477A (en) 1992-06-16

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