KR920022383A - Cmos의 단차 없는 두개의 웰 제조방법 - Google Patents

Cmos의 단차 없는 두개의 웰 제조방법 Download PDF

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Publication number
KR920022383A
KR920022383A KR1019910007187A KR910007187A KR920022383A KR 920022383 A KR920022383 A KR 920022383A KR 1019910007187 A KR1019910007187 A KR 1019910007187A KR 910007187 A KR910007187 A KR 910007187A KR 920022383 A KR920022383 A KR 920022383A
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South Korea
Prior art keywords
oxide film
photoresist
substrate
well
cmos
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KR1019910007187A
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English (en)
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KR940009997B1 (ko
Inventor
이대훈
지형림
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정몽헌
현대전자산업 주식회사
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Priority to KR1019910007187A priority Critical patent/KR940009997B1/ko
Priority to ITTO920366A priority patent/IT1259563B/it
Priority to US07/874,920 priority patent/US5252510A/en
Priority to DE4214302A priority patent/DE4214302C2/de
Priority to DE4244882A priority patent/DE4244882C2/de
Priority to JP4112012A priority patent/JP2521611B2/ja
Publication of KR920022383A publication Critical patent/KR920022383A/ko
Application granted granted Critical
Publication of KR940009997B1 publication Critical patent/KR940009997B1/ko

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
    • 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
    • H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
    • H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
    • H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
    • H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
    • H01L21/8232—Field-effect technology
    • H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
    • H01L21/8238—Complementary field-effect transistors, e.g. CMOS
    • H01L21/823892—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the wells or tubs, e.g. twin tubs, high energy well implants, buried implanted layers for lateral isolation [BILLI]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
    • H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
    • H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
    • H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
    • H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
    • H01L27/0928—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors comprising both N- and P- wells in the substrate, e.g. twin-tub
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/07—Guard rings and cmos

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)

Abstract

내용 없음.

Description

CMOS의 단차 없는 두개의 웰 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2A도 내지 제2D도는 본 발명의 제1실시예에 의해 CMOS의 단차없는 두개의 웰 제조방법을 도시한 단면도.

Claims (3)

  1. CMOS의 두개의 웰 제조방법에 있어서, 기판상부에 두꺼운 산화막을 형성하고, 그 상부에 포토레지스트를 도포한다음, N웰 마스크를 이용하여 예정된 얼라인키영역과 N웰 영역의 포토레지스트를 제거하고 그 하부이 두꺼운 산화막을 소정두께 식각하여 얇은 두께의 산화막으로 형성하는 단계와, N형 불순물을 얇은 산화막을 통하여 기판으로 이온주입하는 단계와, 상기 포토레지스트를 완전히 제거하고 다시 포토레지스트를 전체적으로 도포한후, P웰 마스크를 이용하여 예정된 P웰 영역의 포토레지스트를 제거하고, 그 하부의 두꺼운 산화막을 소정두께 식각하여 얇은 두께의 산화막으로 형성하고 얼라인키 지역은 포토레지스트가 도포되어 있는 단계와, P형 불순물을 얇은 산화막을 통하여 기판으로 이온주입하는 단계와, 상기 포토레지스트를 제거하고 드라이브-인 공정으로 주입된 N형 불순물과 P형 불순물을 기판내부로 주입하여 N웰영역 및 P웰영역을 형성하고, 드라이브-인 공정시 얇은 산화막 상, 하부에 성장된 산화막을 모두 제거하는 단계로 이루어지는 것을 특징으로 하는 CMOS의 단차가 없는 두개의 웰 제조방법.
  2. 제1항에 있어서, 상기 P웰 마스크를 이용하여 예정된 P웰영역의 포토레지스트를 제거하고, 그 하부의 두꺼운 산화막을 소정두께 식각하여 얇은 두께의 산화막으로 형성하는 단계에서, P웰 마스크를 이용하는 대신에 N-ch 필드스톱 임플란트 마스크를 사용하는 것을 포함하는 것을 특징으로 하는 CMOS의 단차가 없는 두개의 웰 제조방법.
  3. 제1항에 있어서, 상기 기판 상부에 두꺼운 산화막을 형성하는 공정에서, 기판상부에 얇은 산화막을 형성하고 그 상부에 질화막을 형성하고 상기 공정단계로 진행하되 두꺼운 산화막을 소정두께 제거하는 공정대신 질화막을 제거하는 공정단계를 포함하는 것을 특징으로 하는 CMPS의 단차가 없는 두개의 웰 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910007187A 1991-05-03 1991-05-03 Cmos의 단차없는 두개의 웰 제조방법 KR940009997B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1019910007187A KR940009997B1 (ko) 1991-05-03 1991-05-03 Cmos의 단차없는 두개의 웰 제조방법
ITTO920366A IT1259563B (it) 1991-05-03 1992-04-28 Metodo per la fabbricazione di un dispositivo cmos a doppio pozzetto
US07/874,920 US5252510A (en) 1991-05-03 1992-04-29 Method for manufacturing a CMOS device having twin wells and an alignment key region
DE4214302A DE4214302C2 (de) 1991-05-03 1992-04-30 Verfahren zur Herstellung einer CMOS-Struktur mit Doppelwannen
DE4244882A DE4244882C2 (de) 1991-05-03 1992-04-30 Verfahren zur Herstellung einer CMOS-Struktur mit Doppelwannen
JP4112012A JP2521611B2 (ja) 1991-05-03 1992-05-01 ツインウェルを有するｃｍｏｓの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910007187A KR940009997B1 (ko) 1991-05-03 1991-05-03 Cmos의 단차없는 두개의 웰 제조방법

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KR920022383A true KR920022383A (ko) 1992-12-19
KR940009997B1 KR940009997B1 (ko) 1994-10-19

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US (1) US5252510A (ko)
JP (1) JP2521611B2 (ko)
KR (1) KR940009997B1 (ko)
IT (1) IT1259563B (ko)

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Also Published As

Publication number Publication date
IT1259563B (it) 1996-03-20
US5252510A (en) 1993-10-12
KR940009997B1 (ko) 1994-10-19
ITTO920366A1 (it) 1993-10-28
JP2521611B2 (ja) 1996-08-07
JPH05160355A (ja) 1993-06-25
ITTO920366A0 (it) 1992-04-28

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