KR100363701B1 - 반도체 소자의 비트 라인 콘택 형성 방법 - Google Patents
반도체 소자의 비트 라인 콘택 형성 방법 Download PDFInfo
- Publication number
- KR100363701B1 KR100363701B1 KR1020000086408A KR20000086408A KR100363701B1 KR 100363701 B1 KR100363701 B1 KR 100363701B1 KR 1020000086408 A KR1020000086408 A KR 1020000086408A KR 20000086408 A KR20000086408 A KR 20000086408A KR 100363701 B1 KR100363701 B1 KR 100363701B1
- Authority
- KR
- South Korea
- Prior art keywords
- bit line
- forming
- blc
- line contact
- interlayer insulating
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000004065 semiconductor Substances 0.000 title claims abstract description 15
- 239000010410 layer Substances 0.000 claims abstract description 50
- 239000011229 interlayer Substances 0.000 claims abstract description 21
- 125000006850 spacer group Chemical group 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 8
- 238000000151 deposition Methods 0.000 claims description 8
- 150000004767 nitrides Chemical class 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011800 void material Substances 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000002955 isolation Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/48—Data lines or contacts therefor
- H10B12/485—Bit line contacts
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
-
- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
-
- 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
-
- 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
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)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (4)
- 셀 영역과 주변 회로 영역에 게이트를 형성하고 게이트의 측면에 제 1,2,3 스페이서를 형성하는 단계;전면에 평탄화된 제 1 층간 절연막을 증착하고 선택적으로 식각하여 랜딩 플러그를 형성하는 단계;제 2 층간 절연막을 형성하고 셀 영역, 주변 회로 영역의 비트라인 콘택 영역이 정의된 포토레지스트 패턴층을 형성하는 단계;상기 제 2 층간 절연막을 선택적으로 식각하여 셀 영역 및 주변 회로 영역의 비트라인 콘택홀(BLC-1)(BLC-2)를 동시에 형성하는 단계;상기 비트라인 콘택홀(BLC-1)(BLC-2)의 측면에 제 4 스페이서를 형성하고 그 내부에 베리어 메탈층을 형성하는 단계;상기 베리어 메탈층에 콘택되는 비트라인을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 비트 라인 콘택 형성 방법.
- 제 1 항에 있어서, 제 1,2 층간 절연막은 산화막으로 형성하고 제 1,2,3,4 스페이서는 나이트라이드층을 형성하는 것을 특징으로 하는 반도체 소자의 비트 라인 콘택 형성 방법.
- 제 1 항에 있어서, 베리어 메탈층을 형성하기 전에 습식 세정 공정을 진행하고, 습식 세정시에 제 4 스페이서를 비트 라인 콘택홀의 확장을 억제하는 층으로 사용하는 것을 특징으로 하는 반도체 소자의 비트 라인 콘택 형성 방법.
- 제 1 항에 있어서, 베리어 메탈층으로 Ti/TiN을 사용하고, 비트 라인을 W으로 형성하는 것을 특징으로 하는 반도체 소자의 비트 라인 콘택 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000086408A KR100363701B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 소자의 비트 라인 콘택 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000086408A KR100363701B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 소자의 비트 라인 콘택 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020058340A KR20020058340A (ko) | 2002-07-12 |
KR100363701B1 true KR100363701B1 (ko) | 2002-12-05 |
Family
ID=27689429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000086408A KR100363701B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 소자의 비트 라인 콘택 형성 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100363701B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8436404B2 (en) * | 2009-12-30 | 2013-05-07 | Intel Corporation | Self-aligned contacts |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0669449A (ja) * | 1992-08-18 | 1994-03-11 | Sony Corp | ダイナミックramの配線構造およびその製造方法 |
KR20000042460A (ko) * | 1998-12-24 | 2000-07-15 | 김영환 | 반도체소자의 비트라인 콘택 형성방법 |
KR100285702B1 (ko) * | 1998-09-29 | 2001-04-02 | 윤종용 | 반도체 디램용 콘택 및 그 제조 방법 |
KR20010056884A (ko) * | 1999-12-17 | 2001-07-04 | 박종섭 | 반도체 비트라인 콘택 형성방법 |
KR100341663B1 (ko) * | 1999-09-27 | 2002-06-24 | 윤종용 | 사진공정이 감소된 반도체 장치의 비트라인 콘택홀을 형성하는 방법 |
-
2000
- 2000-12-29 KR KR1020000086408A patent/KR100363701B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0669449A (ja) * | 1992-08-18 | 1994-03-11 | Sony Corp | ダイナミックramの配線構造およびその製造方法 |
KR100285702B1 (ko) * | 1998-09-29 | 2001-04-02 | 윤종용 | 반도체 디램용 콘택 및 그 제조 방법 |
KR20000042460A (ko) * | 1998-12-24 | 2000-07-15 | 김영환 | 반도체소자의 비트라인 콘택 형성방법 |
KR100341663B1 (ko) * | 1999-09-27 | 2002-06-24 | 윤종용 | 사진공정이 감소된 반도체 장치의 비트라인 콘택홀을 형성하는 방법 |
KR20010056884A (ko) * | 1999-12-17 | 2001-07-04 | 박종섭 | 반도체 비트라인 콘택 형성방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20020058340A (ko) | 2002-07-12 |
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