KR910013542A - 반도체장치의 제조방법 - Google Patents
반도체장치의 제조방법 Download PDFInfo
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- KR910013542A KR910013542A KR1019900021780A KR900021780A KR910013542A KR 910013542 A KR910013542 A KR 910013542A KR 1019900021780 A KR1019900021780 A KR 1019900021780A KR 900021780 A KR900021780 A KR 900021780A KR 910013542 A KR910013542 A KR 910013542A
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- insulating film
- opening
- metal layer
- laser beam
- film
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- 239000004065 semiconductor Substances 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 150000001875 compounds Chemical class 0.000 claims 20
- 239000002184 metal Substances 0.000 claims 19
- 229910052751 metal Inorganic materials 0.000 claims 19
- 238000005530 etching Methods 0.000 claims 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 13
- 238000000034 method Methods 0.000 claims 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims 13
- 229910052802 copper Inorganic materials 0.000 claims 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 7
- 229910052698 phosphorus Inorganic materials 0.000 claims 7
- 239000011574 phosphorus Substances 0.000 claims 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 4
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 claims 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims 4
- 238000010521 absorption reaction Methods 0.000 claims 4
- 230000001678 irradiating effect Effects 0.000 claims 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims 4
- 235000014653 Carica parviflora Nutrition 0.000 claims 1
- 241000243321 Cnidaria Species 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
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- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
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- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
- H01L21/76882—Reflowing or applying of pressure to better fill the contact hole
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- 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
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- 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
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- 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
- H01L21/76807—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 for dual damascene structures
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
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- 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
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- H01L21/76807—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 for dual damascene structures
- H01L21/76808—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 for dual damascene structures involving intermediate temporary filling with material
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- 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
- H01L21/76807—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 for dual damascene structures
- H01L21/7681—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 for dual damascene structures involving one or more buried masks
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- 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
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- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/482—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body
- H01L23/485—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body consisting of layered constructions comprising conductive layers and insulating layers, e.g. planar contacts
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- H01L2221/10—Applying interconnections to be used for carrying current between separate components within a device
- H01L2221/1005—Formation and after-treatment of dielectrics
- H01L2221/101—Forming openings in dielectrics
- H01L2221/1015—Forming openings in dielectrics for dual damascene structures
- H01L2221/1031—Dual damascene by forming vias in the via-level dielectric prior to deposition of the trench-level dielectric
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- H01L2221/101—Forming openings in dielectrics
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- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도(a)-(e)는 제1발명에 따른 반도체 장치의 제조방법의 일실시예의 필수적인 단계를 나타내는 일부 절결 단면도,
제2도(a)-(e) 및 제3도(a),(b)는 제2발명에 따른 반도체 장치의 제조방법의 일실시예의 필수적인 단계를 나타내는 일부 절결 단면도.
Claims (24)
- 적어도 하나의 하층 절연막 및 하나의 상층 절연막으로 이루어지며, 상기 하층 절연막은 상기 상층 절연막보다 에칭률이 작아서 에칭 스톱퍼의 역할을 하며, 절연막의 에칭률은 최하층 절연막으로 향할수록 점차로 작아지는 복수개의 절연막을 하지층상에 형성하는 단계; 상기 상층 절연막을 에칭하여 제1개구부를 형성하고, 상기 제1개구부에서 상기 하층 절연막을 노출시키는 단계; 상기 제1개구부에서 노출된 상기 하층 절연막을 에칭하여 상기 제1개구부보다 폭이 작은 제2개구부를 형성하고, 상기 제2개구부에서 상기 하지층을 노출시키는 단계; 상기 제2개구부에서 노출된 상기 하지층과 접촉될 수 있도록 상기 제1 및 제2개구부에 금속층을 형성하는 단계 및 상기 금속층에 레이저 빔을 조사하여 상기 제1 및 제2개구부에 금속층을 매몰하고, 매몰된 금속층을 평탄화시키는 단계로 이루어진 반도체장치의 제조방법.
- 제1항에 있어서, 상기 복수개의 절연막중 하나는 상기 하지층이 손상되지 않도록 레이저 빔에 관하여 30%이상의 흡수율을 갖는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 하지층은 Al, Al 염기화합물 Cu, Cu 염기화합물, 단결정 Si, 다결정 Si 또는 GaAs나 AlGaAs와 같은 화합물 반도체로 이루어진 반도체장치의 제조방법.
- 제1항에 있어서, 상기 상층 절연막은 산화 규소막 또는 인(P)을 함유하는 산호 규소막으로 이루어지고, 상기 하층 절연막은 알루미나(Al2O3)로 이루어진 반도체장치의 제조방법.
- 제1항에 있어서, 상기 레이저 빔은 엑사이머 레이저 빔으로 이루어진 반도체장치의 제조방법.
- 제5항에 있어서, 상기 금속층은 Al, Al 염기 화합물, Cu 또는 Cu 염기 화합물로 이루어진 반도체장치의 제조방법.
- 적어도 하나의 제1절연막, 하나의 제2절연막 및 하나의 제3절연막으로 이루어지며, 상기 제2절연막은 상기 제1 및 제3절연막보다 에칭률이 작아서 에칭 스톱퍼 및 차양막의 역할을 하는 복수개의 절연막을 하지층상에 형성하는 단계; 상기 제3절연막을 에칭하여 제1개구부를 형성하고, 상기 제1개구부에서 상기 제2절연막을 노출하는 단계; 상기 제1개구부에서 노출된 상기 제2절연막을 에칭하고 상기 제1절연막을 에칭하여 상기 제1개구부보다 폭이 작은 제2개구부를 형성하고, 상기 제2개구부에서 상기 하지층을 노출시키는 단계; 상기 제2개구부에서 노출된 상기 하지층과 접촉할 수 있도록 상기 제1 및 제2재구부에 금속층을 형성하는 단계 및 상기 금속층에 레이저 빔을 조사하여 상기 금속층을 상기 제1 및 제2개구부에 매몰하고, 매몰된 금속층을 평탄화시키는 단계로 이루어진 반도체장치의 제조방법.
- 제7항에 있어서, 상기 제2절연막은 상기 하지층이 손상되지 않도록 레이저 빔에 관하여 30% 이상의 흡수율을 갖는 반도체장치의 제조방법.
- 제7항에 있어서, 상기 하지층은 Al, Al 염기화합물, Cu, Cu 염기화합물, 단결정 Si, 다결정 Si 또는 GaAs나 AlGaAs와 같은 화합물 반도체로 이루어진 반도체장치의 제조방법.
- 제7항에 있어서, 상기 제1절연막은 산화 규소막 또는 인을 함유하는 산화 규소막으로 이루어지며, 상기 제2절연막은 Al2O3로 이루어지며, 상기 제3절연막은 산화 규소막 또는 인을 함유하는 산화규소막으로 이루어진 반도체장치의 제조방법.
- 제7항에 있어서, 상기 레이저 빔은 엑사이며 레이저 빔으로 이루어진 반도체장치의 제조방법.
- 제11항에 있어서, 상기 금속층은 Al, Al 염기화합물 Cu 또는 Cu 염기화합물로 이루어진 반도체장치의 제조방법.
- 복수개의 절연막의 제1절연막 및 복수개의 절연막의 상기 제1절연막 및 제3절연막 보다 에칭률이 작고 에칭스톱퍼 및 차양막의 역할을 하는 복수개의 절연막의 제2절연막을 하지층상에 차례로 형성되는 단계; 상기 제2절연막을 에칭하여 제1개구부를 형성하고, 상기 제1개구부에서 상기 제1절연막을 노출시키는 단계; 상기 제2절연막 및 상기 제1개구부가 상기 제3절연막으로 덮히도록 상기 제3절연막을 상기 제2절연막상에 형성하는 단계; 상기 제3절연막 및 상기 제1절연막을 에칭하여 상기 제1개구부보다 폭이 큰 제2개구부를 상기 제1개구부상의 상기 제3절연막에 형성하며 또한, 상기 제1개구부와 실질적으로 폭이 같은 제3개구부를 상기 제1절연막에 형성해서, 상기 제3개구부에서 상기 하지층을 노출시키는 단계; 상기 제3개구부에서 노출된 상기 하지층에 접촉할 수 있도록 상기 제1, 제2 및 제3개구부에 금속층을 형성하는 단계 및 상기 금속층에 레이저 빔을 조사하여 상기 제1, 제2 및 제3개구부에 상기 금속층을 매몰하고, 매몰된 금속층을 평탄화시키는 단계로 이루어진 반도체장치의 제조방법.
- 제13항에 있어서, 상기 제2절연막은 상기 하지층이 손상되지 않도록 레이저 빔에 관하여 30% 이상의 흡수율을 갖는 반도체장치의 제조방법.
- 제13항에 있어서, 상기 하지층은 Al, Al 염기화합물, Cu, Cu 염기화합물, 단결정Si, 다결정 Si 또는 GaAs 나 AlGaAs와 같은 화합물 반도체로 이루어진 반도체장치의 제조방법.
- 제13항에 있어서, 상기 제1절연막은 산화 규소막 또는 인을 함유하는 산화 규소막으로 이루어지며, 상기 제2절연막은 Al2O3로 이루어지며, 상기 제3절연막은 산화규소막 또는 인을 함유하는 산화규소막으로 이루어진 반도체장치의 제조방법.
- 제13항에 있어서, 상기 레이저 빔은 엑사이며 레이저 빔으로 이루어진 반도체장치의 제조방법.
- 제17항에 있어서, 상기 금속층은 Al, Al 염기화합물, Cu 또는 Cu 염기화합물로 이루어진 반도체장치의 제조방법.
- 복수개의 절연막의 제1절연막 및 복수개의 절연막의 상기 제1절연막 및 제3절연막 보다 에칭률이 작고 에칭스톱퍼 및 차양막의 역할을 하는 복수개의 절연막의 제2절연막을 하지층상에 차례로 형성되는 단계; 상기 제1 및 제2연막을 에칭하여 제1개구부를 형성하는 단계; 상기 제2절연막 및 상기 제1개구부가 상기 제3절연막으로 덮히도록 상기 제3절연막을 상기 제2절연막상에 형성하는 단계; 상기 제3절연막을 에칭하여 상기 제1개구부보다 폭이 큰 상기 제2개구부를 상기 제1개구부상의 상기 제3절연막에 형성하고 또한, 상기 제1개구부의 상기 제1 및 제2절연막의 측벽상에 측벽 절연막을 형성해서 상기 측벽 절연막에 의해 한정된 개구부에서 상기 하지층을 노출시키는 단계; 상기 측벽 절연막에 의해 한정된 상기 개구부에서 노출된 상기 하지층과 접촉될 수 있도록 상기 제1 및 제2개구부 금속층을 형성하는 단계 및 상기 금속층에 레이저 빔을 조사하여 상기 제1 및 제2개구부에 상기 금속층을 매몰하고, 매몰된 금속층을 평탄화 시키는 단계로 이루어진 반도체장치의 제조방법.
- 제19항에 있어서, 상기 제2절연막은 상기 하지층이 손상되지 않도록 레이저 빔에 관하여 30% 이상의 흡수율을 갖는 반도체장치의 제조방법.
- 제19항에 있어서, 상기 하지층은 Al, Al 염기화합물, Cu, Cu 염기화합물, 단결정Si, 다결정 Si 또는 GaAs 나 AlGaAs와 같은 화합물 반도체로 이루어진 반도체장치의 제조방법.
- 제19항에 있어서, 상기 제1절연막은 산화 규소막 또는 인을 함유한 산화 규소막으로 이루어지며, 상기 제2절연막은 Al2O3로 이루어지며, 상기 제3절연막은 산화 규소막 또는 인을 함유하는 산화 규소막으로 이루어진 반도체장치의 제조방법.
- 제19항에 있어서, 상기 레이져 빔은 엑사이며 레이저 빔으로 이루어진 반도체장치의 제조방법.
- 제23항에 있어서, 상기 금속층 Al, Al 염기화합물, Cu 또는 Cu 염기화합물인 것을 특징으호 하는 반도체장치의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1340971A JPH03198327A (ja) | 1989-12-26 | 1989-12-26 | 半導体装置の製造方法 |
JP1-340971 | 1989-12-26 |
Publications (1)
Publication Number | Publication Date |
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KR910013542A true KR910013542A (ko) | 1991-08-08 |
Family
ID=18342004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900021780A KR910013542A (ko) | 1989-12-26 | 1990-12-26 | 반도체장치의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5169800A (ko) |
EP (1) | EP0435187A3 (ko) |
JP (1) | JPH03198327A (ko) |
KR (1) | KR910013542A (ko) |
Families Citing this family (29)
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JP2740050B2 (ja) * | 1991-03-19 | 1998-04-15 | 株式会社東芝 | 溝埋込み配線形成方法 |
JP2907599B2 (ja) * | 1991-08-26 | 1999-06-21 | シャープ株式会社 | 配線層の形成方法 |
JPH05129296A (ja) * | 1991-11-05 | 1993-05-25 | Fujitsu Ltd | 導電膜の平坦化方法 |
JPH05160272A (ja) * | 1991-12-04 | 1993-06-25 | Nec Corp | 半導体装置の製造方法 |
JP3332456B2 (ja) * | 1992-03-24 | 2002-10-07 | 株式会社東芝 | 半導体装置の製造方法及び半導体装置 |
KR950010041B1 (ko) * | 1992-03-28 | 1995-09-06 | 현대전자산업주식회사 | 콘택 홀(contact hole) 구조 및 그 제조방법 |
JPH06260441A (ja) * | 1993-03-03 | 1994-09-16 | Nec Corp | 半導体装置の製造方法 |
DE4400532C1 (de) * | 1994-01-11 | 1995-03-23 | Siemens Ag | Verfahren zum Herstellen von Flüssigkontakten in Kontaktlöchern |
US5635423A (en) * | 1994-10-11 | 1997-06-03 | Advanced Micro Devices, Inc. | Simplified dual damascene process for multi-level metallization and interconnection structure |
US5567329A (en) * | 1995-01-27 | 1996-10-22 | Martin Marietta Corporation | Method and system for fabricating a multilayer laminate for a printed wiring board, and a printed wiring board formed thereby |
US5587342A (en) * | 1995-04-03 | 1996-12-24 | Motorola, Inc. | Method of forming an electrical interconnect |
JPH10509285A (ja) * | 1995-09-14 | 1998-09-08 | アドバンスト・マイクロ・ディバイシズ・インコーポレイテッド | 縮小したフィーチャーサイズのためのダマスクプロセス |
JPH09153545A (ja) * | 1995-09-29 | 1997-06-10 | Toshiba Corp | 半導体装置及びその製造方法 |
US5942802A (en) * | 1995-10-09 | 1999-08-24 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device and method of producing the same |
JP3402022B2 (ja) * | 1995-11-07 | 2003-04-28 | 三菱電機株式会社 | 半導体装置の製造方法 |
US6140256A (en) * | 1995-11-28 | 2000-10-31 | Tokyo Electron Limited | Method and device for treating semiconductor with treating gas while substrate is heated |
KR100195329B1 (ko) * | 1996-05-02 | 1999-06-15 | 구본준 | 반도체 소자의 캐패시터 제조 방법 |
GB2325083B (en) * | 1997-05-09 | 1999-04-14 | United Microelectronics Corp | A dual damascene process |
US6127721A (en) * | 1997-09-30 | 2000-10-03 | Siemens Aktiengesellschaft | Soft passivation layer in semiconductor fabrication |
US6245662B1 (en) * | 1998-07-23 | 2001-06-12 | Applied Materials, Inc. | Method of producing an interconnect structure for an integrated circuit |
JP2000150516A (ja) * | 1998-09-02 | 2000-05-30 | Tokyo Electron Ltd | 半導体装置の製造方法 |
US6228758B1 (en) | 1998-10-14 | 2001-05-08 | Advanced Micro Devices, Inc. | Method of making dual damascene conductive interconnections and integrated circuit device comprising same |
GB9903110D0 (en) * | 1999-02-11 | 1999-04-07 | Univ Bristol | Method of fabricating etched structures |
US6016011A (en) * | 1999-04-27 | 2000-01-18 | Hewlett-Packard Company | Method and apparatus for a dual-inlaid damascene contact to sensor |
US6251770B1 (en) * | 1999-06-30 | 2001-06-26 | Lam Research Corp. | Dual-damascene dielectric structures and methods for making the same |
US6635566B1 (en) * | 2000-06-15 | 2003-10-21 | Cypress Semiconductor Corporation | Method of making metallization and contact structures in an integrated circuit |
DE10200428A1 (de) * | 2002-01-09 | 2003-04-30 | Infineon Technologies Ag | Verfahren zur Herstellung von Kontakten und Leiterbahnen mit Hilfe einer vergrabenen Hartmaske |
JP2011086969A (ja) * | 2011-02-01 | 2011-04-28 | Rohm Co Ltd | 半導体装置およびその製造方法 |
CN110571187B (zh) * | 2018-06-05 | 2022-03-18 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的制造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE1949174B2 (de) * | 1968-10-02 | 1971-09-23 | Halbleiterbauelement | |
CA959383A (en) * | 1972-04-05 | 1974-12-17 | North American Rockwell Corporation | Thick oxide process for improving metal deposition and stability of semiconductor devices |
US4789760A (en) * | 1985-04-30 | 1988-12-06 | Advanced Micro Devices, Inc. | Via in a planarized dielectric and process for producing same |
US4674176A (en) * | 1985-06-24 | 1987-06-23 | The United States Of America As Represented By The United States Department Of Energy | Planarization of metal films for multilevel interconnects by pulsed laser heating |
JPS62260319A (ja) * | 1986-05-06 | 1987-11-12 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JPS62293740A (ja) * | 1986-06-13 | 1987-12-21 | Fujitsu Ltd | 半導体装置の製造方法 |
US4920070A (en) * | 1987-02-19 | 1990-04-24 | Fujitsu Limited | Method for forming wirings for a semiconductor device by filling very narrow via holes |
JPS6466953A (en) * | 1987-09-07 | 1989-03-13 | Nec Corp | Semiconductor device |
US4758533A (en) * | 1987-09-22 | 1988-07-19 | Xmr Inc. | Laser planarization of nonrefractory metal during integrated circuit fabrication |
-
1989
- 1989-12-26 JP JP1340971A patent/JPH03198327A/ja active Pending
-
1990
- 1990-12-19 US US07/629,795 patent/US5169800A/en not_active Expired - Fee Related
- 1990-12-21 EP EP19900125081 patent/EP0435187A3/en not_active Withdrawn
- 1990-12-26 KR KR1019900021780A patent/KR910013542A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US5169800A (en) | 1992-12-08 |
EP0435187A3 (en) | 1993-01-20 |
JPH03198327A (ja) | 1991-08-29 |
EP0435187A2 (en) | 1991-07-03 |
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