KR20060074241A - 반도체 소자의 콘택 제조방법 - Google Patents
반도체 소자의 콘택 제조방법 Download PDFInfo
- Publication number
- KR20060074241A KR20060074241A KR1020040112913A KR20040112913A KR20060074241A KR 20060074241 A KR20060074241 A KR 20060074241A KR 1020040112913 A KR1020040112913 A KR 1020040112913A KR 20040112913 A KR20040112913 A KR 20040112913A KR 20060074241 A KR20060074241 A KR 20060074241A
- Authority
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- South Korea
- Prior art keywords
- insulating film
- contact
- substrate
- insulating layer
- semiconductor device
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 150000004767 nitrides Chemical class 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 4
- 239000011800 void material Substances 0.000 abstract description 7
- -1 BPS Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 23
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- 230000007257 malfunction Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76831—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers in via holes or trenches, e.g. non-conductive sidewall liners
-
- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0149—Manufacturing their interconnections or electrodes, e.g. source or drain electrodes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (6)
- 기판과;상기 기판 상에 형성된 복수의 트랜지스터들과;상기 복수의 트랜지스터들이 형성된 기판 상에 형성된 제1절연막과;상기 기판의 일부가 노출되도록 제1절연막의 일부가 식각된 콘택홀과;상기 콘택홀의 측벽에 형성된 제2절연막과;상기 제2절연막이 측벽에 형성된 콘택홀을 채우는 적어도 하나의 도전막과;상기 제1절연막의 상부에 패터닝되어 상기 도전막과 전기적으로 연결되는 배선을 구비하여 구성되는 것을 특징으로 하는 반도체 소자의 콘택.
- 제 1 항에 있어서,상기 제1절연막은 비피에스지나 피에스지와 같은 유동성 재질인 것을 특징으로 하는 반도체 소자의 콘택.
- 제 1 항에 있어서,상기 제2절연막은 질화막인 것을 특징으로 하는 반도체 소자의 콘택.
- 제 1 항 또는 제 3 항에 있어서,상기 제2절연막의 두께는 20~50Å 인 것을 특징으로 하는 반도체 소자의 콘 택.
- 기판 상에 복수의 트랜지스터들을 형성하는 공정과;상기 기판 상에 제1절연막을 형성한 다음 상기 복수의 트랜지스터 들이 형성된 기판의 일부가 노출되도록 제1절연막의 일부를 식각하여 콘택홀을 형성하는 공정과;상기 제1절연막의 상부전면에 제2절연막을 형성한 다음 제2절연막이 콘택홀의 측벽에만 잔류하도록 선택적으로 식각하는 공정과;상기 제1절연막의 상부전면에 적어도 하나의 도전막을 형성한 다음 제1절연막이 노출될때까지 평탄화하여 상기 콘택홀이 채워진 콘택을 형성하는 공정과;상기 제1절연막의 상부전면에 도전물질을 형성한 다음 패터닝하여 상기 콘택과 전기적으로 연결되는 배선을 형성하는 공정을 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 콘택 제조방법.
- 제 5 항에 있어서,상기 제1절연막의 상부전면에 제2절연막을 형성한 다음 제2절연막이 콘택홀의 측벽에만 잔류하도록 선택적으로 식각하는 공정은상기 제2절연막으로는 질화막을 20~50Å 정도의 두께로 형성한 다음 F 계열의 가스를 사용한 건식으로 식각하는 것을 특징으로 하는 반도체 소자의 콘택 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040112913A KR100628220B1 (ko) | 2004-12-27 | 2004-12-27 | 반도체 소자의 콘택 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040112913A KR100628220B1 (ko) | 2004-12-27 | 2004-12-27 | 반도체 소자의 콘택 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060074241A true KR20060074241A (ko) | 2006-07-03 |
KR100628220B1 KR100628220B1 (ko) | 2006-09-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020040112913A KR100628220B1 (ko) | 2004-12-27 | 2004-12-27 | 반도체 소자의 콘택 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100628220B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101163817B1 (ko) * | 2008-11-11 | 2012-07-09 | 주식회사 동부하이텍 | 이미지 센서 및 그 제조 방법 |
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2004
- 2004-12-27 KR KR1020040112913A patent/KR100628220B1/ko not_active IP Right Cessation
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KR100628220B1 (ko) | 2006-09-26 |
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