KR20000013720A - 반도체장치의 접촉창의 제조방법 - Google Patents
반도체장치의 접촉창의 제조방법 Download PDFInfo
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- KR20000013720A KR20000013720A KR1019980032753A KR19980032753A KR20000013720A KR 20000013720 A KR20000013720 A KR 20000013720A KR 1019980032753 A KR1019980032753 A KR 1019980032753A KR 19980032753 A KR19980032753 A KR 19980032753A KR 20000013720 A KR20000013720 A KR 20000013720A
- Authority
- KR
- South Korea
- Prior art keywords
- insulating film
- contact window
- film
- forming
- insulating layer
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000004065 semiconductor Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000012535 impurity Substances 0.000 claims abstract description 32
- 239000012212 insulator Substances 0.000 claims abstract description 16
- 238000001039 wet etching Methods 0.000 claims abstract description 16
- 238000001312 dry etching Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 66
- 239000011229 interlayer Substances 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 11
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 230000003064 anti-oxidating effect Effects 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 239000002019 doping agent Substances 0.000 abstract 2
- 238000005530 etching Methods 0.000 description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- 238000000151 deposition Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 5
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 239000005388 borosilicate glass Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000005360 phosphosilicate glass Substances 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01L21/76804—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 by forming tapered via 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
- H01L21/02—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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- 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
- H01L21/76829—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76831—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers in via holes or trenches, e.g. non-conductive sidewall liners
-
- 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
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/97—Specified etch stop material
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (13)
- 하부 도전 부재가 형성되어 있는 반도체 기판을 제공하는 단계;상기 하부 도전 부재상에 불순물이 제1농도로 도우핑된 절연물을 사용하여 제1절연막을 형성하는 단계;상기 제1절연막상에 상기 불순물이 상기 제1농도보다 낮은 제2농도로 도우핑된 상기 절연물을 사용하여 제2절연막을 형성하는 단계;상기 제2절연막 및 제1절연막을 건식 식각하여 상기 하부 도전 부재를 노출시키는 접촉창(contact window)을 개구(opening)하는 단계;상기 접촉창이 형성되어 있는 상기 제2절연막 및 제1절연막을 습식 식각하여 상기 하부 도전 부재의 노출 면적을 증가시키는 단계를 구비하는 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제1항에 있어서, 상기 불순물은 보론 및/또는 인을 포함하는 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제2항에 있어서, 상기 절연물은 상기 불순물이 도우핑된 산화물인 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제2항에 있어서, 상기 불순물이 도우핑된 산화물은 BSG, PSG 또는 BPSG인 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제1항에 있어서, 상기 습식 식각 단계는 상기 제2절연막보다 상기 제1절연막의 습식 식각율이 커서, 상기 제1절연막내에 형성된 상기 접촉창의 폭이 상기 제2절연막내에 형성된 상기 접촉창의 폭보다 커지도록 하여 상기 하부 도전 부재의 노출 면적을 증가시키는 단계인 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 하부 도전 부재가 형성되어 있는 반도체 기판을 제공하는 단계;상기 반도체 기판상에 층간 절연막을 형성하는 단계;상기 층간 절연막상에 도전막 패턴을 형성하는 단계;상기 도전막 패턴이 형성된 결과물 전면에 불순물이 제1농도로 도우핑된 절연물을 사용하여 제1절연막을 형성하는 단계;상기 제1절연막상에 상기 불순물이 상기 제1농도보다 낮은 제2농도로 도우핑된 상기 절연물을 사용하여 제2절연막을 형성하는 단계;상기 제2절연막 및 제1절연막을 건식 식각하여 상기 하부 도전 부재를 노출시키는 접촉창(contact window)을 개구(opening)하는 단계;상기 접촉창이 형성되어 있는 상기 제2절연막 및 제1절연막을 습식 식각하여 상기 하부 도전 부재의 노출 면적을 증가시키는 단계를 구비하는 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제6항에 있어서, 상기 불순물은 보론 및/또는 인을 포함하는 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제6항에 있어서, 상기 절연물은 상기 불순물이 도우핑된 산화물인 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제8항에 있어서, 상기 불순물이 도우핑된 산화물은 BSG, PSG 또는 BPSG인 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제6항에 있어서, 상기 제1절연막은 상기 층간 절연막의 두께보다 작은 두께로 형성되는 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제6항에 있어서, 습식 식각 단계는 상기 제2절연막보다 제1절연막의 습식 식각율이 커서, 상기 제1절연막내에 형성된 상기 접촉창의 폭이 상기 제2절연막내에 형성된 상기 접촉창의 폭보다 커지도록 하여 상기 하부 도전 부재의 노출 면적을 증가시키는 단계인 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제6항에 있어서, 상기 제1절연막을 형성하는 단계전에 상기 도전막 패턴의 전면에 산화 방지막을 형성하는 단계를 더 구비하는 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
- 제6항에 있어서, 상기 접촉창을 개구하는 단계전에 상기 제2절연막상에 식각 저지막 및 상기 접촉창을 매립하는 도전막 패턴에 언더컷을 형성하기 위한 층간 절연막을 형성하는 단계를 더 구비하고,상기 접촉창을 개구하는 단계는 상기 언더컷을 형성하기 위한 층간 절연막, 식각 저지막, 제2절연막, 및 제1절연막을 건식 식각하는 단계인 것을 특징으로 하는 반도체 장치의 접촉창의 제조 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980032753A KR100265773B1 (ko) | 1998-08-12 | 1998-08-12 | 반도체장치의 접촉창의 제조방법 |
US09/275,029 US6232225B1 (en) | 1998-08-12 | 1999-03-24 | Method of fabricating contact window of semiconductor device |
JP20377199A JP3897934B2 (ja) | 1998-08-12 | 1999-07-16 | 半導体装置のコンタクトホール製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980032753A KR100265773B1 (ko) | 1998-08-12 | 1998-08-12 | 반도체장치의 접촉창의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000013720A true KR20000013720A (ko) | 2000-03-06 |
KR100265773B1 KR100265773B1 (ko) | 2000-09-15 |
Family
ID=19547058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019980032753A KR100265773B1 (ko) | 1998-08-12 | 1998-08-12 | 반도체장치의 접촉창의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6232225B1 (ko) |
JP (1) | JP3897934B2 (ko) |
KR (1) | KR100265773B1 (ko) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100604555B1 (ko) * | 2001-06-21 | 2006-07-28 | 주식회사 하이닉스반도체 | 반도체 소자의 커패시터 제조 방법 |
KR100745071B1 (ko) * | 2005-06-30 | 2007-08-01 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
KR100791326B1 (ko) * | 2004-09-02 | 2008-01-03 | 삼성전자주식회사 | 반도체 소자의 컨택홀 형성 방법 |
KR101129922B1 (ko) * | 2010-07-15 | 2012-03-23 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 형성방법 |
US8378734B2 (en) | 2002-08-29 | 2013-02-19 | Lg Display Co., Ltd. | Method and system for reduction of off-current in field effect transistors |
KR20160025278A (ko) * | 2014-08-27 | 2016-03-08 | 삼성전자주식회사 | 반도체 장치 및 이의 제조 방법 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100365642B1 (ko) * | 2000-10-30 | 2002-12-26 | 삼성전자 주식회사 | 접촉창을 갖는 반도체 장치의 제조 방법 |
KR100564429B1 (ko) * | 2003-06-30 | 2006-03-28 | 주식회사 하이닉스반도체 | 랜딩 플러그 제조 방법 |
KR101033986B1 (ko) * | 2003-10-27 | 2011-05-11 | 주식회사 하이닉스반도체 | 반도체 소자의 컨택 형성 방법 |
US7238620B1 (en) * | 2004-02-18 | 2007-07-03 | National Semiconductor Corporation | System and method for providing a uniform oxide layer over a laser trimmed fuse with a differential wet etch stop technique |
KR100675895B1 (ko) * | 2005-06-29 | 2007-02-02 | 주식회사 하이닉스반도체 | 반도체소자의 금속배선구조 및 그 제조방법 |
JP2008226989A (ja) * | 2007-03-09 | 2008-09-25 | Elpida Memory Inc | 半導体装置及び半導体装置の製造方法 |
JP5277628B2 (ja) * | 2007-12-21 | 2013-08-28 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
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Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5792703A (en) * | 1996-03-20 | 1998-08-11 | International Business Machines Corporation | Self-aligned contact wiring process for SI devices |
-
1998
- 1998-08-12 KR KR1019980032753A patent/KR100265773B1/ko not_active IP Right Cessation
-
1999
- 1999-03-24 US US09/275,029 patent/US6232225B1/en not_active Expired - Lifetime
- 1999-07-16 JP JP20377199A patent/JP3897934B2/ja not_active Expired - Fee Related
Cited By (8)
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KR100604555B1 (ko) * | 2001-06-21 | 2006-07-28 | 주식회사 하이닉스반도체 | 반도체 소자의 커패시터 제조 방법 |
US8378734B2 (en) | 2002-08-29 | 2013-02-19 | Lg Display Co., Ltd. | Method and system for reduction of off-current in field effect transistors |
US8729953B2 (en) | 2002-08-29 | 2014-05-20 | Lg Display Co., Ltd. | Method and system for reduction of off-current in field effect transistors |
KR100791326B1 (ko) * | 2004-09-02 | 2008-01-03 | 삼성전자주식회사 | 반도체 소자의 컨택홀 형성 방법 |
KR100745071B1 (ko) * | 2005-06-30 | 2007-08-01 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
KR101129922B1 (ko) * | 2010-07-15 | 2012-03-23 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 형성방법 |
US9287395B2 (en) | 2010-07-15 | 2016-03-15 | SK Hynix Inc. | Semiconductor device and a bit line and the whole of a bit line contact plug having a vertically uniform profile |
KR20160025278A (ko) * | 2014-08-27 | 2016-03-08 | 삼성전자주식회사 | 반도체 장치 및 이의 제조 방법 |
Also Published As
Publication number | Publication date |
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US6232225B1 (en) | 2001-05-15 |
JP3897934B2 (ja) | 2007-03-28 |
JP2000058652A (ja) | 2000-02-25 |
KR100265773B1 (ko) | 2000-09-15 |
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