KR100285698B1 - 반도체장치의제조방법 - Google Patents
반도체장치의제조방법 Download PDFInfo
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- KR100285698B1 KR100285698B1 KR1019980028194A KR19980028194A KR100285698B1 KR 100285698 B1 KR100285698 B1 KR 100285698B1 KR 1019980028194 A KR1019980028194 A KR 1019980028194A KR 19980028194 A KR19980028194 A KR 19980028194A KR 100285698 B1 KR100285698 B1 KR 100285698B1
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- Prior art keywords
- bit line
- contact holes
- forming
- semiconductor substrate
- insulating film
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 57
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 238000005530 etching Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 238000000059 patterning Methods 0.000 claims description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 10
- 229920005591 polysilicon Polymers 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- 229910008484 TiSi Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 210000003323 beak Anatomy 0.000 claims 1
- 239000010410 layer Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 9
- 239000011229 interlayer Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
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
- H01L21/02—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
- H01L21/76801—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
-
- 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
- H01L21/76895—Local interconnects; Local pads, as exemplified by patent document EP0896365
-
- 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
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
- H10B12/0335—Making a connection between the transistor and the capacitor, e.g. plug
-
- 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
- H10B12/31—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor
- H10B12/315—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor with the capacitor higher than a bit line
-
- 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
- H10B12/482—Bit lines
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/906—Dram with capacitor electrodes used for accessing, e.g. bit line is capacitor plate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/907—Folded bit line dram configuration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/908—Dram configuration with transistors and capacitors of pairs of cells along a straight line between adjacent bit lines
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (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 (13)
- 복수 개의 매립 콘택 플러그들을 가지는 반도체 기판 전면에 제 1 내지 제 4 절연막들을 순차적으로 형성하는 단계와;상기 매립 콘택 플러그들이 노출될 때까지 상기 제 4 내지 제 1 절연막들을 순차적으로 식각하여 상기 매립 콘택 플러그들 상에 비트라인 콘택 홀들과 스토리지 하부 콘택 홀들을 형성하는 단계와;상기 비트라인 콘택 홀들과 상기 스토리지 하부 콘택 홀들을 포함하는 상기 제 4 절연막 상에 포토레지스트 패턴을 형성하는 단계와;상기 포토레지스트 패턴을 마스크로 사용하여 상기 제 2 절연막 위에 상기 제 4 및 제 3 절연막들을 순차적으로 식각하여 상기 비트라인 콘택 홀들과 겹쳐지는 비트라인 홈을 형성하는 단계 및;상기 포토레지스트 패턴을 제거한 후, 상기 비트라인 콘택 홀들, 상기 스토리지 하부 콘택 홀들 및 상기 비트라인 홈을 도전 물질로 채워 스토리지 하부 콘택 플러그 및 비트라인을 형성하는 단계를 포함하는 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 제 2 및 제 4 절연막들은 실리콘 질화막으로 형성되며, 상기 제 2 절연막은 200Å 내지 300Å의 두께를 가지고 상기 제 4 절연막은 500Å의 두께를 가지는 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 제 1 및 제 3 절연막들은 산화막으로 형성되며, 상기 제 1 절연막은 1000Å의 두께를 가지고 상기 제 3 절연막은 2000Å의 두께를 가지는 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 제 2 절연막은 상기 비트라인 홈을 형성하는 단계 동안에 에칭 스톱퍼로서 작용하는 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 도전 물질은 폴리실리콘, 메탈 그리고 상기 메탈이 상기 폴리실리콘 상에 적층되는 것들 중 하나인 반도체 장치의 제조 방법.
- 제 5 항에 있어서,상기 메탈은 W, TiN 및 TiSi 중 하나인 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 스토리지 하부 콘택 플러그와 비트라인이 형성된 반도체 기판 점년에 제 5 절연막을 형성하는 단계;상기 제 5 절연막을 페터닝하여 상기 스토리지 하부 콘택 플러그 상에 상부 콘택 홀들을 형성하는 단계 및;상기 상부 콘택 홀들을 포함하는 반도체 기판 전면에 도전층을 적층하고 패터닝하여 스토리지 노드 패턴 및 스토리지 노드 콘택 플러그를 형성하는 단계를 더 포함하는 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 스토리지 하부 콘택 플러그 및 비트라인을 형성하는 단계는상기 반도체 기판 전면에 상기 도전 물질을 형성하는 단계 및;상기 제 4 절연막이 노출될 때까지 상기 도전 물질을 제거하는 단계를 포함하는 반도체 장치의 제조 방법.
- 제 8 항에 있어서,상기 도전 물질은 에치백 공정 및 CMP 공정 중 어느 하나에 의해서 식각되는 반도체 장치의 제조 방법.
- 제 9 항에 있어서,상기 제 4 절연막은 상기 도전 물질이 제거될 때 에치 스토퍼로서 작용하는 반도체 장치의 제조 방법.
- 복수 개의 매립 콘택 플러그들을 가지는 반도체 기판 전면에 제 1 내지 제 4 절연막들을 순차적으로 형성하는 단계와;상기 제 4 절연막 상에 포토레지스트 패턴을 형성하는 단계와;상기 포토레지스트 패턴을 마스크로 사용하여 상기 제 4 및 제 3 절연막들을 순차적으로 식각하여 상기 제 2 절연막 상에 비트라인 홈을 형성하는 단계와;상기 포토레지스트 패턴을 제거한 후, 패터닝을 실시하여 상기 매립 콘택 플러그들을 노출시키는 비트라인 콘택 홀들과 스토리지 하부 콘택 홀들을 형성하는 단계 및;상기 제 1 홀들과 상기 비트라인 홈을 도전 물질로 채워 스토리지 하부 콘택 플러그 및 비크라인을 형성하는 단계를 포함하는 반도체 장치의 제조 방법.
- 제 11 항에 있어서,상기 스토리지 하부 콘택 플러그 및 비트라인이 형성된 반도체 기판 전면에 제 5 절연막을 형성하는 단계;상기 제 5 절연막을 패터닝하여 상기 스토리지 하부 콘택 플러그 상에 상부콘택 홀들을 형성하는 단계 및;상기 상부 콘택 홀들을 포함하는 반도체 기판 전면에 도전층을 적층하고 패터닝하여 스토리지 노드 패턴 및 스토리지 노드 콘택 플러그를 형성하는 단계를 더 포함하는 반도체 장치의 제조 방법.
- 제 11 항에 있어서,상기 스토리지 하부 콘택 플러그 및 비트라인을 형성하는 단계는,상기 반도체 기판 전면에 상기 도전 물질을 형성하는 단계 및;상기 제 4 절연막이 노출될 때까지 상기 도전 물질을 제거하는 단계를 포함하는 반도체 장치의 제조 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980028194A KR100285698B1 (ko) | 1998-07-13 | 1998-07-13 | 반도체장치의제조방법 |
US09/349,709 US6436758B1 (en) | 1998-07-13 | 1999-07-08 | Method for forming storage node contact plug of DRAM (dynamic random access memory) |
US10/183,465 US6849889B2 (en) | 1998-07-13 | 2002-06-28 | Semiconductor device having storage node contact plug of DRAM (dynamic random access memory) |
US10/183,407 US7115497B2 (en) | 1998-07-13 | 2002-06-28 | Method for forming storage node contact plug of DRAM (dynamic random access memory) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019980028194A KR100285698B1 (ko) | 1998-07-13 | 1998-07-13 | 반도체장치의제조방법 |
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KR20000008404A KR20000008404A (ko) | 2000-02-07 |
KR100285698B1 true KR100285698B1 (ko) | 2001-04-02 |
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KR1019980028194A KR100285698B1 (ko) | 1998-07-13 | 1998-07-13 | 반도체장치의제조방법 |
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US (3) | US6436758B1 (ko) |
KR (1) | KR100285698B1 (ko) |
Families Citing this family (5)
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KR100487514B1 (ko) * | 1998-07-28 | 2005-09-02 | 삼성전자주식회사 | 반도체 장치 및 그의 제조 방법 |
KR100388682B1 (ko) * | 2001-03-03 | 2003-06-25 | 삼성전자주식회사 | 반도체 메모리 장치의 스토리지 전극층 및 그 형성방법 |
KR100481173B1 (ko) * | 2002-07-12 | 2005-04-07 | 삼성전자주식회사 | 다마신 비트라인공정을 이용한 반도체 메모리장치 및 그의제조방법 |
US7397592B2 (en) * | 2003-04-21 | 2008-07-08 | Semiconductor Energy Laboratory Co., Ltd. | Beam irradiation apparatus, beam irradiation method, and method for manufacturing a thin film transistor |
KR100701422B1 (ko) * | 2004-07-29 | 2007-03-30 | 주식회사 하이닉스반도체 | 케미컬 어택을 방지할 수 있는 반도체소자 및 그 제조 방법 |
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JP3569112B2 (ja) * | 1997-07-17 | 2004-09-22 | 株式会社東芝 | 半導体集積回路およびその製造方法 |
US6130102A (en) * | 1997-11-03 | 2000-10-10 | Motorola Inc. | Method for forming semiconductor device including a dual inlaid structure |
KR100292943B1 (ko) * | 1998-03-25 | 2001-09-17 | 윤종용 | 디램장치의제조방법 |
US6197639B1 (en) * | 1998-07-13 | 2001-03-06 | Samsung Electronics Co., Ltd. | Method for manufacturing NOR-type flash memory device |
US5895239A (en) * | 1998-09-14 | 1999-04-20 | Vanguard International Semiconductor Corporation | Method for fabricating dynamic random access memory (DRAM) by simultaneous formation of tungsten bit lines and tungsten landing plug contacts |
-
1998
- 1998-07-13 KR KR1019980028194A patent/KR100285698B1/ko not_active IP Right Cessation
-
1999
- 1999-07-08 US US09/349,709 patent/US6436758B1/en not_active Expired - Fee Related
-
2002
- 2002-06-28 US US10/183,465 patent/US6849889B2/en not_active Expired - Fee Related
- 2002-06-28 US US10/183,407 patent/US7115497B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20000008404A (ko) | 2000-02-07 |
US7115497B2 (en) | 2006-10-03 |
US20020160567A1 (en) | 2002-10-31 |
US6436758B1 (en) | 2002-08-20 |
US20020167035A1 (en) | 2002-11-14 |
US6849889B2 (en) | 2005-02-01 |
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