KR100223766B1 - 반도체 장치의 콘택홀 형성방법 - Google Patents
반도체 장치의 콘택홀 형성방법 Download PDFInfo
- Publication number
- KR100223766B1 KR100223766B1 KR1019960025388A KR19960025388A KR100223766B1 KR 100223766 B1 KR100223766 B1 KR 100223766B1 KR 1019960025388 A KR1019960025388 A KR 1019960025388A KR 19960025388 A KR19960025388 A KR 19960025388A KR 100223766 B1 KR100223766 B1 KR 100223766B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- contact hole
- etching
- opening
- interlayer insulating
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 238000005530 etching Methods 0.000 claims abstract description 13
- 238000001039 wet etching Methods 0.000 claims abstract description 6
- 239000011229 interlayer Substances 0.000 claims description 15
- 229920002120 photoresistant polymer Polymers 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 8
- 150000004767 nitrides Chemical class 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052710 silicon Inorganic materials 0.000 abstract description 9
- 239000010703 silicon Substances 0.000 abstract description 9
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01L21/76802—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 by forming openings in dielectrics
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (3)
- (정정) 반도체 소자의 콘택홀 형성 방법에 있어서, 반도체 기판 상에 형성된 층간절연막 상에 콘택홀 형성 영역을 오픈시키는 포토레지스트 패턴을 형성하는 제1 단계; 노출된 상기 층간절연막을 고밀도 플라즈마로 식각하여 개구부를 형성하되, 상기 개구부 저면에 상기 층간절연막의 일부를 잔류시키는 제2 단계; 상기 포토레지스트 패턴을 제거하는 제3 단계; 상기 제3 단계가 완료된 전체 구조 상에 질화막을 형성하는 제4 단계; 상기 질화막을 전면식각하여 상기 개구부 측벽에 질화막 스페이서를 형성하는 제5 단계; 및 상기 개구부 저면에 잔류된 상기 층간절연막을 습식식각하여 상기 반도체 기판을 노출시키는 콘택홀을 형성하는 제6 단계를 포함하는 반도체 장치의 콘택홀 형성 방법.
- (정정) 제1항에 있어서, 상기 제2 단계에서 상기 개구부 저면에 상기 층간절연막을 500Å이 넘지 않는 두께로 잔류시키는 것을 특징으로 하는 반도체 장치의 콘택홀 형성 방법.
- (정정) 제2항에 있어서, 상기 제6 단계에서, 상기 습식식각은 완충산화식각제(BOE)를 이용하여 실시하는 것을 특징으로 하는 반도체 장치의 콘택홀 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960025388A KR100223766B1 (ko) | 1996-06-28 | 1996-06-28 | 반도체 장치의 콘택홀 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960025388A KR100223766B1 (ko) | 1996-06-28 | 1996-06-28 | 반도체 장치의 콘택홀 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR980005597A KR980005597A (ko) | 1998-03-30 |
KR100223766B1 true KR100223766B1 (ko) | 1999-10-15 |
Family
ID=19464481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960025388A KR100223766B1 (ko) | 1996-06-28 | 1996-06-28 | 반도체 장치의 콘택홀 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100223766B1 (ko) |
-
1996
- 1996-06-28 KR KR1019960025388A patent/KR100223766B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR980005597A (ko) | 1998-03-30 |
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