KR100772835B1 - 에어갭을 포함하는 반도체 소자 및 그 제조방법 - Google Patents
에어갭을 포함하는 반도체 소자 및 그 제조방법 Download PDFInfo
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- KR100772835B1 KR100772835B1 KR1020060065591A KR20060065591A KR100772835B1 KR 100772835 B1 KR100772835 B1 KR 100772835B1 KR 1020060065591 A KR1020060065591 A KR 1020060065591A KR 20060065591 A KR20060065591 A KR 20060065591A KR 100772835 B1 KR100772835 B1 KR 100772835B1
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- air gap
- etch stop
- layer
- stop layer
- forming
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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
- 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
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- 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
- H01L23/532—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 characterised by the materials
- H01L23/5329—Insulating materials
- H01L23/53295—Stacked insulating layers
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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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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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
- 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
-
- 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
- H01L21/7682—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 the dielectric comprising air gaps
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- 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
- H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
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- 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
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- 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 (11)
- 복수의 트렌치를 포함하며 기판상에 형성되는 제1 층간절연층;상기 트렌치 일부에 소정의 금속이 매립된 금속배선;상기 금속이 매립되지않은 트렌치로서 상기 금속배선에 인접하여 형성되는 에어갭;복수의 작은 홀을 가지며 상기 제1 층간절연층, 상기 금속배선 및 상기 에어갭 상에 형성되는 식각저지막; 및상기 식각저지막을 포함하는 기판상에 형성되는 제2 층간절연층;을 포함하며,상기 식각저지막에 형성되는 복수의 작은 홀은 직경이 0.16㎛ 내지 0.2㎛의 크기로 형성된 것을 특징으로 하는 에어갭을 포함하는 반도체 소자.
- 제1 항에 있어서,상기 식각저지막은SiN으로 형성된 것을 특징으로 하는 에어갭을 포함하는 반도체 소자.
- 제1 항에 있어서,상기 에어갭은상기 금속배선 주위에 부분적으로 형성되어 상기 제1 층간절연층의 유전율를 낮추는 것을 특징으로 하는 에어갭을 포함하는 반도체 소자.
- 제1 항에 있어서,상기 복수의 트렌치는금속배선용 트렌치와 에어갭이 형성될 트렌치를 포함하는 것을 특징으로 하는 에어갭을 포함하는 반도체 소자.
- 제1 항에 있어서,상기 식각저지막은 대략 700Å 내지 대략 1000Å인 것을 특징으로 하는 에어갭을 포함하는 반도체 소자.
- 삭제
- 기판상에 제1 층간절연층을 형성하고 상기 제1 층간절연층을 식각하여 복수의 트렌치를 형성하는 단계;상기 트렌치를 포함하는 기판상에 제1 감광막을 형성하고 상기 트렌치 중 금속배선을 형성하기 위한 트렌치의 감광막만을 노광 및 현상하여 금속배선용 트렌치를 형성하는 단계;상기 금속배선용 트렌치에 금속을 매립하고 상기 금속과 제1 감광막을 상기 제1 층간절연층이 노출될 때까지 평탄화하여 금속배선을 형성하는 단계;상기 금속배선과 제1 감광막 상에 식각저지막과 제2 감광막을 순차적으로 형성하고 상기 금속배선상의 식각저지막 외의 식각저지막을 일부 노출시키는 복수의 작은 제2 감광막패턴을 형성하는 단계;상기 제2 감광막패턴을 식각마스크로 하여 상기 식각저지막을 식각하여 복수의 작은 홀을 상기 식각마스크 내에 형성하여 상기 제1 감광막을 노출시키는 단계;상기 식각저지막 밑에 존재하는 제1 감광막을 제거함으로써 상기 제1 층간절연층 사이에 에어갭을 형성하는 단계; 및상기 식각저지막을 포함하는 기판상에 제2 층간절연층을 형성하는 단계;를 포함하는 것을 특징으로 하는 에어갭을 포함하는 반도체 소자의 제조방법.
- 제7 항에 있어서,상기 식각저지막을 형성하는 단계는SiN를 이용하여 형성하는 것을 특징으로 하는 에어갭을 포함하는 반도체 소자의 제조방법.
- 제7 항에 있어서,상기 에어갭을 형성하는 단계는상기 식각저지막의 복수의 작은 홀을 통하여 애싱액을 공급함으로써 상기 제1 감광막을 제거하는 것을 특징으로 하는 에어갭을 포함하는 반도체 소자의 제조방법.
- 제7 항에 있어서,상기 제1 층간절연층을 식각하여 복수의 트렌치를 형성하는 단계는소정의 금속배선용 트렌치 외에 에어갭이 형성될 트렌치를 포함하여 형성하는 것을 특징으로 하는 에어갭을 포함하는 반도체 소자의 제조방법.
- 제7 항에 있어서,상기 식각저지막을 식각하여 복수의 작은 홀을 형성하는 단계는RIE를 이용하여 상기 식각저지막을 식각함으로써 상기 식각저지막에 밀(dense)하고 작은 복수의 홀을 형성하는 것을 특징으로 하는 에어갭을 포함하는 반도체 소자의 제조방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060065591A KR100772835B1 (ko) | 2006-07-12 | 2006-07-12 | 에어갭을 포함하는 반도체 소자 및 그 제조방법 |
| US11/777,101 US7741211B2 (en) | 2006-07-12 | 2007-07-12 | Method for manufacturing a semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060065591A KR100772835B1 (ko) | 2006-07-12 | 2006-07-12 | 에어갭을 포함하는 반도체 소자 및 그 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR100772835B1 true KR100772835B1 (ko) | 2007-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060065591A Expired - Fee Related KR100772835B1 (ko) | 2006-07-12 | 2006-07-12 | 에어갭을 포함하는 반도체 소자 및 그 제조방법 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7741211B2 (ko) |
| KR (1) | KR100772835B1 (ko) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101536333B1 (ko) * | 2009-03-26 | 2015-07-14 | 삼성전자주식회사 | 배선 구조물 및 이의 형성 방법 |
| US8298911B2 (en) * | 2009-03-26 | 2012-10-30 | Samsung Electronics Co., Ltd. | Methods of forming wiring structures |
| CN103117247B (zh) * | 2011-11-17 | 2015-04-01 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件形成方法 |
| KR102002815B1 (ko) | 2012-09-05 | 2019-07-23 | 삼성전자주식회사 | 반도체 장치 및 이의 제조 방법 |
| WO2016018288A1 (en) | 2014-07-30 | 2016-02-04 | Hewlett-Packard Development Company, L.P. | Hybrid multilayer device |
| WO2017039674A1 (en) * | 2015-09-03 | 2017-03-09 | Hewlett Packard Enterprise Development Lp | Defect free heterogeneous substrates |
| US10586847B2 (en) | 2016-01-15 | 2020-03-10 | Hewlett Packard Enterprise Development Lp | Multilayer device |
| WO2017171737A1 (en) | 2016-03-30 | 2017-10-05 | Hewlett Packard Enterprise Development Lp | Devices having substrates with selective airgap regions |
| US10381801B1 (en) | 2018-04-26 | 2019-08-13 | Hewlett Packard Enterprise Development Lp | Device including structure over airgap |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003115534A (ja) * | 2001-10-03 | 2003-04-18 | Semiconductor Leading Edge Technologies Inc | 半導体装置の製造方法 |
| KR20040024524A (ko) * | 2002-09-13 | 2004-03-20 | 쉬플리 캄파니, 엘.엘.씨. | 에어 갭 형성 |
| JP2004221444A (ja) | 2003-01-17 | 2004-08-05 | Nec Electronics Corp | 半導体装置の製造方法 |
| KR20060014425A (ko) * | 2003-05-26 | 2006-02-15 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 기판 및 그 제조 방법과 이를 포함하는 반도체 장치 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6184121B1 (en) * | 1997-07-10 | 2001-02-06 | International Business Machines Corporation | Chip interconnect wiring structure with low dielectric constant insulator and methods for fabricating the same |
| US5949143A (en) * | 1998-01-22 | 1999-09-07 | Advanced Micro Devices, Inc. | Semiconductor interconnect structure with air gap for reducing intralayer capacitance in metal layers in damascene metalization process |
| US7235493B2 (en) * | 2004-10-18 | 2007-06-26 | Micron Technology, Inc. | Low-k dielectric process for multilevel interconnection using mircocavity engineering during electric circuit manufacture |
-
2006
- 2006-07-12 KR KR1020060065591A patent/KR100772835B1/ko not_active Expired - Fee Related
-
2007
- 2007-07-12 US US11/777,101 patent/US7741211B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003115534A (ja) * | 2001-10-03 | 2003-04-18 | Semiconductor Leading Edge Technologies Inc | 半導体装置の製造方法 |
| KR20040024524A (ko) * | 2002-09-13 | 2004-03-20 | 쉬플리 캄파니, 엘.엘.씨. | 에어 갭 형성 |
| JP2004221444A (ja) | 2003-01-17 | 2004-08-05 | Nec Electronics Corp | 半導体装置の製造方法 |
| KR20060014425A (ko) * | 2003-05-26 | 2006-02-15 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 기판 및 그 제조 방법과 이를 포함하는 반도체 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080012145A1 (en) | 2008-01-17 |
| US7741211B2 (en) | 2010-06-22 |
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