KR930017103A - 드라이 에칭 방법 및 그 장치 - Google Patents

드라이 에칭 방법 및 그 장치 Download PDF

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KR930017103A
KR930017103A KR1019930000524A KR930000524A KR930017103A KR 930017103 A KR930017103 A KR 930017103A KR 1019930000524 A KR1019930000524 A KR 1019930000524A KR 930000524 A KR930000524 A KR 930000524A KR 930017103 A KR930017103 A KR 930017103A
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gas
reaction
dry etching
electrode
workpiece
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KR1019930000524A
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KR0124497B1 (ko
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마코또 하세가와
아쯔오 산다
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사또 후미오
가부시끼가이샤 도시바
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    • 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
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • 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
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/67017—Apparatus for fluid treatment
    • H01L21/67063—Apparatus for fluid treatment for etching
    • H01L21/67069—Apparatus for fluid treatment for etching for drying etching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32431—Constructional details of the reactor
    • H01J37/3244—Gas supply means
    • 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
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • 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
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
    • H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
    • H01L21/321—After treatment
    • H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
    • H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
    • H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
    • H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
    • H01L21/32137—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas of silicon-containing layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/32—Processing objects by plasma generation
    • H01J2237/33—Processing objects by plasma generation characterised by the type of processing
    • H01J2237/334—Etching
    • H01J2237/3343—Problems associated with etching
    • 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
    • Y10S438/00—Semiconductor device manufacturing: process
    • Y10S438/941—Loading effect mitigation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Drying Of Semiconductors (AREA)
  • ing And Chemical Polishing (AREA)
  • Plasma Technology (AREA)

Abstract

본 발명은 피처리체의 중앙부와 둘레 가장자리부에서 에칭 속도를 균일하게 하는 것을 목적으로 한다.
반응성 가스 플라즈마에 의해 피처리체(26)을 에칭할때, 제2도입 파이프(32)에 의해 피처리체(26)의 에칭 속도가 빠른 지역에 에칭 반응에 의해 생성되는 복수의 반응 생성 가스중 적어도 1종의 가스를 반응 억제 가스로서 도입한다. 따라서, 에칭 속도가 빠른 지역의 에칭 속도를 억제할 수 있어서 피처리체(26)각부의 에칭 속도를 균일화할 수 있다.

Description

드라이 에칭 방법 및 그 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 제1실시예를 도시한 구성도, 제3도는 제2도의 주요부를 선택해서 도시한 상면도, 제4도는 본 발명의 에칭 속도와 종래의 에칭 속도를 대비하여 도시한 특성도.

Claims (8)

  1. 반응성 가스 플라즈마에 의해 피처리체를 에칭할 때에 피처리체의 에칭 속도가 빠른 영역에 에칭 반응에 의해 생성되는 복수의 반응 생성 가스 중 1종의 가스를 반응 억제 가스로서 도입하는 것을 특징으로 하는 드라이 에칭 방법.
  2. 제1항에 있어서, 상기 반응 억제 가스가 금속 할로겐 화합물 가스를 포함하는 가스인 것을 특징으로 하는 드라이 에칭 방법.
  3. 제1항에 있어서, 상기 반응 억제 가스가 유기 산화물 가스를 포함하는 가스인 것을 특징으로 하는 드라이 에칭 방법.
  4. 반응 가스가 도입되는 반응실(21), 이 반응실에 설치되어 피처리체(26)이 탑재되는 제1전극(23), 이 제1전극과 대향하는 제2전극(22), 상기 제1 및 제2전극 상호간에서 상기 반응 가스를 플라즈마화 하기 위해 상기 제1전극으로 고주파 전력을 공급하는 고주파 전원(28) 및 상기 피처리체의 에칭 속도가 빠른 영역에 대응해서 설치되고, 에칭 반응에 의해 생성되는 복수의 반응 생성 가스중 1종의 가스를 반응 억제 가스로서 도입하는 도입 파이프(32)를 구비한 것을 특징으로 하는 드라이 에칭 장치.
  5. 제4항에 있어서, 상기 도입 파이프가 상기 제1전극 주변에 설치되고, 반응 억제 가스를 피처리체의 둘레 가장자리부에 도입하는 것을 특징으로 하는 드라이 에칭 장치.
  6. 제4항에 있어서, 상기 도입 파이프가 상기 제2전극에 설치되고, 반응 억제 가스를 피처리체의 둘레 가장자리부에 도입하는 것을 특징으로 하는 드라이 에칭 장치.
  7. 제4항에 있어서, 상기 도입 파이프가 상기 제2전극에 설치되고, 반응 억제 가스를 피처리체의 둘레 가장자리부에 도입하는 것을 특징으로 하는 드라이 에칭 장치.
  8. 제4항에 있어서, 상기 반응 가스가 상기 제22극 방향에서 피처리체로 도입되어, 피처리체의 제2전극과는 반대측에서 반응실의 외부로 배출되는 것을 특징으로 하는 드라이 에칭 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930000524A 1992-01-17 1993-01-16 드라이 에칭 방법 및 그 장치 KR0124497B1 (ko)

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JP4006605A JP2894658B2 (ja) 1992-01-17 1992-01-17 ドライエッチング方法およびその装置
JP92-006605 1992-01-27

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KR0124497B1 KR0124497B1 (ko) 1997-12-10

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US5415728A (en) 1995-05-16
JPH05190506A (ja) 1993-07-30
KR0124497B1 (ko) 1997-12-10
US5837093A (en) 1998-11-17
JP2894658B2 (ja) 1999-05-24

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