KR980005912A - 반도체 장치의 금속콘택구조 및 그 제조방법 - Google Patents
반도체 장치의 금속콘택구조 및 그 제조방법 Download PDFInfo
- Publication number
- KR980005912A KR980005912A KR1019960026552A KR19960026552A KR980005912A KR 980005912 A KR980005912 A KR 980005912A KR 1019960026552 A KR1019960026552 A KR 1019960026552A KR 19960026552 A KR19960026552 A KR 19960026552A KR 980005912 A KR980005912 A KR 980005912A
- Authority
- KR
- South Korea
- Prior art keywords
- contact hole
- conductive layer
- forming
- insulating film
- semiconductor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 15
- 239000004065 semiconductor Substances 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract 4
- 238000000034 method Methods 0.000 claims abstract 5
- 238000005530 etching Methods 0.000 claims abstract 4
- 239000000758 substrate Substances 0.000 claims abstract 4
- 238000000151 deposition Methods 0.000 claims abstract 2
- 238000000059 patterning Methods 0.000 claims abstract 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims 3
- 229920005591 polysilicon Polymers 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 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
- H01L21/02—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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5226—Via connections in a multilevel interconnection structure
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (8)
- 반도체기판상의 하부도전층상에 상기 하부도전층의 소정영역을 노출시키는 제1콘택홀을 갖추고 형성된 제1절연막과, 상기 제1콘택홀내에 형성되어 상기 하부도전층과 접속되는 도전물질로 이루어진 더미패턴, 상기 제1절연막 상부에 형성되어, 상기 더미패턴상부 영역에 제2콘택홀을 갖추고 형성된 제2절연막, 및 상기 제2콘택홀을 통해 상기 더미패턴과 연결되도록 상기 제2절연막 상부에 형성된 상부 도전층으로 이루어진 반도체 장치의 금속콘택구조.
- 제1항에 있어서, 상기 금속콘택구조는 반도체 장치의 워드라인 스트래핑 및 주변회로 지역에 형성되는 것임을 특징으로 하는 반도체 장치의 금속콘택구조.
- 반도체기판상의 하부도전층상에 제1절연막을 형성하는 단계와, 상기 제1절연막을 선택적으로 식각하여 제1콘택홀을 형성하는 단계, 상기 제1콘택홀을 포함한 상기 제1절연막 전면에 도전층을 형성하는 단계, 상기 도전층을 패터닝하여 상기 제1콘택홀내에 더미패턴을 형성하는 단계, 상기 더미패턴이 형성된 상기 제1절연막 전면에 제2절연막을 형성하는 단계, 상기 제2절연막을 선택적으로 건식식각하여 상기 제1콘택홀 상부에 제2콘택홀을 형성하는 단계, 및 상기 제2절연막상에 금속을 증착하여 상기 더미패턴을 통해 상기 하부도전층과 연결되는 상부도전층을 형성하는 단계를 포함하여 이루어진 반도체 장치의 금속콘택구조 제조방법.
- 제3항에 있어서, 상기 금속콘택구조는 반도체 장치의 워드라인 스트래핑 및 주변회로 지역에 형성되는 것을 특징으로 하는 반도체 장치의 금속콘택구조 제조방법.
- 제3항에 있어서, 제1절연막 및 제2절연막은 산화막으로 형성하는 것을 특징으로 하는 반도체 장치의 금속콘택구조 제조방법.
- 제3항에 있어서, 상기 제1콘택홀을 형성하는 단계는 반도체 장치의 메모리셀영역에서 커패시터전극과 기판의 액티브영역을 연결하기 위한 콘택홀을 형성하는 공정시 동시에 행해지는 것임을 특징으로 하는 반도체 장치의 금속콘택구조 제조방법.
- 제3항에 있어서, 상기 도전층은 폴리실리콘층으로 형성하는 것을 특징으로 하는 반도체 장치의 금속콘택구조 제조방법.
- 제7항에 있어서, 상기 폴리실리콘층은 반도체 장치의 메모리셀영역의 커패시터전극 형성을 위한 폴리실리콘층 형성시 동시에 형성되는 것임을 특징으로 하는 반도체 장치의 금속콘택구조 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960026552A KR100206404B1 (ko) | 1996-06-29 | 1996-06-29 | 반도체 장치의 금속콘택구조 및 그 제조방법 |
US08/842,038 US5851914A (en) | 1996-06-29 | 1997-04-23 | Method of fabricating a metal contact structure |
CNB971138192A CN1236484C (zh) | 1996-06-29 | 1997-06-23 | 半导体器件的金属接触结构及其形成方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960026552A KR100206404B1 (ko) | 1996-06-29 | 1996-06-29 | 반도체 장치의 금속콘택구조 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR980005912A true KR980005912A (ko) | 1998-03-30 |
KR100206404B1 KR100206404B1 (ko) | 1999-07-01 |
Family
ID=19465219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960026552A Expired - Fee Related KR100206404B1 (ko) | 1996-06-29 | 1996-06-29 | 반도체 장치의 금속콘택구조 및 그 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5851914A (ko) |
KR (1) | KR100206404B1 (ko) |
CN (1) | CN1236484C (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5637481A (en) * | 1993-02-01 | 1997-06-10 | Bristol-Myers Squibb Company | Expression vectors encoding bispecific fusion proteins and methods of producing biologically active bispecific fusion proteins in a mammalian cell |
JP2800788B2 (ja) * | 1996-06-27 | 1998-09-21 | 日本電気株式会社 | 半導体装置の製造方法 |
US6618638B1 (en) * | 2001-04-30 | 2003-09-09 | Lam Research Corporation | Method for scaling processes between different etching chambers and wafer sizes |
WO2011129763A1 (en) * | 2010-04-13 | 2011-10-20 | Agency For Science, Technology And Research | An interconnect structure and a method of forming the same |
CN102339793A (zh) * | 2011-10-29 | 2012-02-01 | 上海华力微电子有限公司 | 一种半导体器件制作方法 |
CN107994018B (zh) * | 2017-12-27 | 2024-03-29 | 长鑫存储技术有限公司 | 半导体存储器件结构及其制作方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61208869A (ja) * | 1985-03-14 | 1986-09-17 | Nec Corp | 半導体装置及びその製造方法 |
JP2545154B2 (ja) * | 1990-06-04 | 1996-10-16 | 松下電器産業株式会社 | コンタクト構造の形成方法 |
US5258096A (en) * | 1992-08-20 | 1993-11-02 | Micron Semiconductor, Inc. | Method of forming local etch stop landing pads for simultaneous, self-aligned dry etching of contact vias with various depths |
US5525552A (en) * | 1995-06-08 | 1996-06-11 | Taiwan Semiconductor Manufacturing Company | Method for fabricating a MOSFET device with a buried contact |
-
1996
- 1996-06-29 KR KR1019960026552A patent/KR100206404B1/ko not_active Expired - Fee Related
-
1997
- 1997-04-23 US US08/842,038 patent/US5851914A/en not_active Expired - Fee Related
- 1997-06-23 CN CNB971138192A patent/CN1236484C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1170962A (zh) | 1998-01-21 |
KR100206404B1 (ko) | 1999-07-01 |
US5851914A (en) | 1998-12-22 |
CN1236484C (zh) | 2006-01-11 |
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