KR970004045A - 소이(soi) 구조의 모스 트랜지스터 및 그 제조방법 - Google Patents

소이(soi) 구조의 모스 트랜지스터 및 그 제조방법 Download PDF

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KR970004045A
KR970004045A KR1019950015594A KR19950015594A KR970004045A KR 970004045 A KR970004045 A KR 970004045A KR 1019950015594 A KR1019950015594 A KR 1019950015594A KR 19950015594 A KR19950015594 A KR 19950015594A KR 970004045 A KR970004045 A KR 970004045A
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depth
semiconductor substrate
insulating film
source
mos transistor
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KR1019950015594A
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KR100189966B1 (ko
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박규찬
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김광호
삼성전자 주식회사
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Priority to KR1019950015594A priority Critical patent/KR100189966B1/ko
Priority to JP11788696A priority patent/JP3489936B2/ja
Priority to US08/664,958 priority patent/US5893745A/en
Publication of KR970004045A publication Critical patent/KR970004045A/ko
Priority to US09/291,416 priority patent/US6064092A/en
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Publication of KR100189966B1 publication Critical patent/KR100189966B1/ko
Priority to US09/541,201 priority patent/US6303412B1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/786Thin film transistors, i.e. transistors with a channel being at least partly a thin film
    • H01L29/78696Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70Manufacture 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
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/76Making of isolation regions between components
    • H01L21/762Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
    • H01L21/7624Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
    • H01L21/76264SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/66007Multistep manufacturing processes
    • H01L29/66075Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
    • H01L29/66227Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
    • H01L29/66409Unipolar field-effect transistors
    • H01L29/66477Unipolar field-effect transistors with an insulated gate, i.e. MISFET
    • H01L29/66742Thin film unipolar transistors
    • H01L29/66772Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76Unipolar devices, e.g. field effect transistors
    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/786Thin film transistors, i.e. transistors with a channel being at least partly a thin film
    • H01L29/78603Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the insulating substrate or support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70Manufacture 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
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/76Making of isolation regions between components
    • H01L21/762Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
    • H01L21/7624Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
    • H01L21/76264SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
    • H01L21/76275Vertical isolation by bonding techniques
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70Manufacture 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
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/76Making of isolation regions between components
    • H01L21/762Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
    • H01L21/7624Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
    • H01L21/76264SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
    • H01L21/76281Lateral isolation by selective oxidation of silicon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70Manufacture 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
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/76Making of isolation regions between components
    • H01L21/762Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
    • H01L21/7624Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
    • H01L21/76264SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
    • H01L21/76283Lateral isolation by refilling of trenches with dielectric material

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Thin Film Transistor (AREA)

Abstract

소이(SOI) 구조의 모스 트랜지스터 및 그 제조방법에 대해 기재한다.
이는, 반도체 기판, 반도체 기판 상에 형성된 절연막, 절연막 내에 위치하고, 소오스/드레인영역은 절연막의 표면으로부터 제1의 깊이를 가지며, 채널영역은 제1의 깊이보다 얕은 제2의 깊이를 가지는 실리콘층, 실리콘층상에 형성된 게이트절연막 및 게이트절연막 상에 형성된 게이트전극을 포함하는 것을 특징으로 한다.
따라서, 전극과 소오스/드레인의 접촉저항을 낮출 수 있으며, 소오스/드레인의 면저항을 줄일 수 있다.

Description

소이(SOI) 구조의 모스 트랜지스터 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 일 실시예에 의해 제조된 SOI 구조의 모스 트랜지스터를 도시한 단면도이다.

Claims (6)

  1. 반도체 기판; 상기 반도체 기판 상에 형성된 절연막; 상기 절연막 내에 위치하고, 소오스/드레인영역은 상기 절연막의 표면으로부터 제1의 깊이를 가지며, 채널영역은 상기 제1의 깊이보다 얕은 제2의 깊이를 가지는 실리콘층; 및 상기 실리콘층 상에 게이트절연막을 개재하여 형성된 게이트전극을 구비하는 것을 특징으로 하는 소이 구조의 모스 트랜지스터.
  2. 제1항에 있어서, 상기 게이트전극이 소오스/드레인을 오버랩하는 것을 특징으로 하는 소이 구조의 모스 트랜지스터.
  3. 제1항에 있어서, 상기 제1의 깊이는 1,000~3,000Å이고, 상기 제2의 깊이는 1,000Å 이하인 것을 특징으로 하는 소이 모스 트랜지스터
  4. 반도체 기판 상에 소오스/드레인이 형성될 영역을 노출시키지 않는 질화막패턴을 형성하는 제1공정; 결과물 상에 산화물을 침적한 후 에치백하여, 상기 질화막패턴 사이를 채우며, 상기 질화막패턴의 측벽에 스페이서를 형성하는 제2공정; 상기 반도체 기판을 산화시켜 필드산화막을 형성하는 제3공정; 상기 질화막패턴을 제거하는 제4공정; 결과물 전면에 산화물을 침적한 후, 그 표면을 평탄화하는 제5공정; 상기 반도체 기판에 핸들링 기판을 본딩하는 제6공정; 및 상기 반도체 기판을 폴리슁하는 제7공정을 포함하는 것을 특징으로 하는 소이 구조의 모스 트랜지스터 제조방법.
  5. 제4항에 있어서, 산화물의 표면을 평탄화하는 상기 제5공정 및 상기 제7공정은 화학적-물리적 연마(CMP)법을 사용하여 이루어지는 것을 특징으로 하는 소이 구조의 모스 트랜지스터 제조방법.
  6. 제4항에 있어서, 상기 제7공정은 비활성영역에 형성된 필드산화막을 식각종말점으로 하여 진행되는 것을 특징으로 하는 소이 구조의 모스 트랜지스터 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950015594A 1995-06-13 1995-06-13 소이 구조의 모스 트랜지스터 및 그 제조방법 KR100189966B1 (ko)

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Application Number Priority Date Filing Date Title
KR1019950015594A KR100189966B1 (ko) 1995-06-13 1995-06-13 소이 구조의 모스 트랜지스터 및 그 제조방법
JP11788696A JP3489936B2 (ja) 1995-06-13 1996-05-13 Soi構造のmosトランジスタの製造方法
US08/664,958 US5893745A (en) 1995-06-13 1996-06-13 Methods of forming semiconductor-on-insulator substrates
US09/291,416 US6064092A (en) 1995-06-13 1999-04-13 Semiconductor-on-insulator substrates containing electrically insulating mesas
US09/541,201 US6303412B1 (en) 1995-06-13 2000-04-03 Methods of forming semiconductor-on-insulator substrates and devices and structures formed thereby

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KR1019950015594A KR100189966B1 (ko) 1995-06-13 1995-06-13 소이 구조의 모스 트랜지스터 및 그 제조방법

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KR970004045A true KR970004045A (ko) 1997-01-29
KR100189966B1 KR100189966B1 (ko) 1999-06-01

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JP3489936B2 (ja) 2004-01-26
US5893745A (en) 1999-04-13
US6064092A (en) 2000-05-16
JPH098320A (ja) 1997-01-10
KR100189966B1 (ko) 1999-06-01
US6303412B1 (en) 2001-10-16

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