KR100383084B1 - 반도체 소자의 플러그 형성 방법 - Google Patents
반도체 소자의 플러그 형성 방법 Download PDFInfo
- Publication number
- KR100383084B1 KR100383084B1 KR10-2001-0026733A KR20010026733A KR100383084B1 KR 100383084 B1 KR100383084 B1 KR 100383084B1 KR 20010026733 A KR20010026733 A KR 20010026733A KR 100383084 B1 KR100383084 B1 KR 100383084B1
- Authority
- KR
- South Korea
- Prior art keywords
- metal layer
- plug
- layer
- contact hole
- photoresist pattern
- Prior art date
Links
Classifications
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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
- H01L21/70—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
- H01L21/76838—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 conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
- H01L21/76883—Post-treatment or after-treatment of the conductive material
-
- 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
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer 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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (5)
- 하부 제1 도전층 위에 절연막을 증착하는 단계,상기 절연막을 패터닝하여 상기 제1 도전층의 일부를 드러내는 콘택 홀을 형성하는 단계,상기 콘택 홀이 형성된 전체 구조상에 베리어 금속층을 형성하는 단계,상기 베리어 금속층 위에 플러그용 금속층을 증착하는 단계,상기 플러그용 금속층 위에 감광막을 도포하는 단계,상기 감광막을 패터닝하여 상기 콘택 홀 상부의 플러그용 금속층을 덮는 감광막 패턴을 형성하는 단계,상기 감광막 패턴을 식각 마스크로 하여 상기 플러그용 금속층을 에치백하여 상기 플러그용 금속층을 일정한 두께만 남기고 제거하는 단계,상기 감광막 패턴을 제거하고 상기 플러그용 금속층을 전면 에치백하여 플러그를 형성하는 단계,상기 플러그가 형성되어 있는 전체 구조상에 상부 제2 도전층을 형성하는 단계를 포함하는 반도체 소자의 플러그 형성 방법.
- 제1항에서,상기 플러그용 금속층을 전면 에치백하는 단계에서는 상기 콘택 홀 상부의플러그용 금속층 두께를 식각 타겟으로 하여 에치백하는 반도체 소자의 플러그 형성 방법.
- 제1항에서,상기 플러그용 금속층으로 텅스텐막을 사용하는 반도체 소자의 플러그 형성 방법.
- 제1항에서,상기 베리어 금속층은 Ti/TiN으로 형성하는 반도체 소자의 플러그 형성 방법.
- 제1항 내지 제4항에서,상기 제1 도전층은 반도체 기판에 형성되어 있는 소스영역 또는 드레인영역인 반도체 소자의 플러그 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0026733A KR100383084B1 (ko) | 2001-05-16 | 2001-05-16 | 반도체 소자의 플러그 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0026733A KR100383084B1 (ko) | 2001-05-16 | 2001-05-16 | 반도체 소자의 플러그 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020087742A KR20020087742A (ko) | 2002-11-23 |
KR100383084B1 true KR100383084B1 (ko) | 2003-05-12 |
Family
ID=27705122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0026733A KR100383084B1 (ko) | 2001-05-16 | 2001-05-16 | 반도체 소자의 플러그 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100383084B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05144768A (ja) * | 1991-11-18 | 1993-06-11 | Nippon Steel Corp | 半導体装置の製造方法 |
JPH07135186A (ja) * | 1993-11-10 | 1995-05-23 | Nec Corp | 半導体装置の製造方法 |
JPH08330251A (ja) * | 1995-06-05 | 1996-12-13 | Sony Corp | 半導体装置の製造方法 |
JPH098136A (ja) * | 1995-06-19 | 1997-01-10 | Sony Corp | 配線層形成方法及び配線構造 |
-
2001
- 2001-05-16 KR KR10-2001-0026733A patent/KR100383084B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05144768A (ja) * | 1991-11-18 | 1993-06-11 | Nippon Steel Corp | 半導体装置の製造方法 |
JPH07135186A (ja) * | 1993-11-10 | 1995-05-23 | Nec Corp | 半導体装置の製造方法 |
JPH08330251A (ja) * | 1995-06-05 | 1996-12-13 | Sony Corp | 半導体装置の製造方法 |
JPH098136A (ja) * | 1995-06-19 | 1997-01-10 | Sony Corp | 配線層形成方法及び配線構造 |
Also Published As
Publication number | Publication date |
---|---|
KR20020087742A (ko) | 2002-11-23 |
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