KR960011865B1 - 반도체 장치의 금속층 형성방법 - Google Patents
반도체 장치의 금속층 형성방법 Download PDFInfo
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- KR960011865B1 KR960011865B1 KR1019930010567A KR930010567A KR960011865B1 KR 960011865 B1 KR960011865 B1 KR 960011865B1 KR 1019930010567 A KR1019930010567 A KR 1019930010567A KR 930010567 A KR930010567 A KR 930010567A KR 960011865 B1 KR960011865 B1 KR 960011865B1
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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
- H01L21/70—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
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/58—After-treatment
- C23C14/5806—Thermal treatment
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/046—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates
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- 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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
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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
- H01L21/321—After treatment
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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
- H01L21/70—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
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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
- H01L21/70—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
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76855—After-treatment introducing at least one additional element into the layer
- H01L21/76856—After-treatment introducing at least one additional element into the layer by treatment in plasmas or gaseous environments, e.g. nitriding a refractory metal liner
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- H—ELECTRICITY
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- 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
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76861—Post-treatment or after-treatment not introducing additional chemical elements into the layer
- H01L21/76864—Thermal treatment
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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
- H01L21/70—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
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (16)
- 반도체 기판상에 진공중의 제1온도에서 금속층을 증착하는 단계; 및 상기 금속층을 상기 진공을 깨지않고, 용융점 이하의 상기 제1온도 보다 높은 제2온도에서 열처리하여 상기 금속층의 입자들을 리플로우시키는 단계를 포함하는 반도체 장치의 금속층 형성방법에 있어서, 상기 금속층의 형성방법은 상기 제1온도 내지 상기 제2온도 사이의 제3온도에서 상기 반도체 기판을 일정시간동안 유지시켜 상기 금속층의 입자들 사이의 그루브 형성을 방지하는 중간 열처리 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제1항에 있어서, 상기 중간 열처리 단계는 상기 금속층을 형성하는 단계 이전에 수행하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제2항에 있어서, 상기 금속층을 리플로우 시킨 후, 후속 반도체 장치의 제조공정을 수행하는 공정전에, 상기 반도체기판을 진공중에 방치하여 상기 금속층을 서서히 냉각시키는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제1항에 있어서, 상기 중간 열처리 단계는 상기 금속층을 리플로우시키는 단계 이후에 수행하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제4항에 있어서, 상기 중간 열처리 단계 후, 후속 반도체 장치의 제조공정을 수행하는 공정 전에, 상기 반도체 기판을 냉매를 사용하여 상기 금속층을 신속히 냉각시키는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제1항에 있어서, 상기 제1온도는 상온 내지 200℃ 이하의 온도인 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제1항에 있어서, 상기 제2온도는 0.6Tm 내지 Tm(Tm은 상기 금속층을 구성하는 금속의 용융점이다)의 범위인 온도임을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제1항에 있어서, 상기 제3온도는 200 내지 400℃ 사이의 온도인 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제1항에 있어서, 상기 중간 열처리 단계는 20초 내지 120초간 수행하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제1항에 있어서, 상기 금속층을 리플로우하는 단계 후, 상기 리플로우된 금속층상에 반사 방지막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제10항에 있어서, 상기 반사 방지막은 TiN으로 구성된 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 제1항에 있어서, 상기 금속층은 Si의 함량이 0.5% 이하인 알루미늄 합금으로 구성된 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 반도체 기판을 200 내지 400℃ 사이의 온도에서 일정시간동안 유지시키는 단계; 상기 반도체 기판상에 진공중의 200℃ 이하의 제1온도에서 금속층을 증착하는 단계; 상기 금속층을 상기 진공을 깨지않고, 0.6Tm 내지 Tm(Tm은 상기 금속층을 구성하는 금속의 용융점이다)의 범위의 제2온도에서 열처리하여 상기 금속층의 입자들을 리플로우시키는 단계; 및 상기 반도체 기판을 진공중에 방치하여 상기 금속층을 서서히 냉각시키는 단계를 포함하는 반도체 장치의 금속층 형성 방법.
- 제13항에 있어서, 상기 금속층을 리플로우하는 단계 후, 상기 리플로우된 금속층상에 반사 방지막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
- 반도체 기판 상에 2000℃ 이하의 제1온도에서 금속층을 증착하는 단계; 상기 금속층을 상기 진공을 깨지않고, 0.6Tm 내지 Tm(Tm은 상기 금속층을 구성하는 금속의 용융점이다)의 범위의 제2온도에서 열처리하여 상기 금속층의 입자들을 리플로우시키는 단계; 상기 금속층을 상기 제1온도와 제2온도 사이의 제3온도에서 일정시간동안 열처리하는 단계; 및 상기 금속층을 냉매를 사용하여 신속히 냉각시키는 단계를 포함하는 반도체 장치의 금속층 형성 방법.
- 제15항에 있어서, 상기 금속층을 리플로우하는 단계 후, 상기 리플로우된 금속층상에 반사 방지막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 금속층 형성 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930010567A KR960011865B1 (ko) | 1993-06-10 | 1993-06-10 | 반도체 장치의 금속층 형성방법 |
JP15149094A JP3535893B2 (ja) | 1993-06-10 | 1994-06-08 | 半導体装置の金属層形成方法 |
US08/257,420 US5665659A (en) | 1993-06-10 | 1994-06-09 | Method for forming metal layer of a semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019930010567A KR960011865B1 (ko) | 1993-06-10 | 1993-06-10 | 반도체 장치의 금속층 형성방법 |
Publications (2)
Publication Number | Publication Date |
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KR950001993A KR950001993A (ko) | 1995-01-04 |
KR960011865B1 true KR960011865B1 (ko) | 1996-09-03 |
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KR1019930010567A Expired - Fee Related KR960011865B1 (ko) | 1993-06-10 | 1993-06-10 | 반도체 장치의 금속층 형성방법 |
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US (1) | US5665659A (ko) |
JP (1) | JP3535893B2 (ko) |
KR (1) | KR960011865B1 (ko) |
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CN105448654A (zh) * | 2014-09-02 | 2016-03-30 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构的制作方法 |
US10529662B2 (en) * | 2018-01-29 | 2020-01-07 | International Business Machines Corporation | Method and structure to construct cylindrical interconnects to reduce resistance |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4758533A (en) * | 1987-09-22 | 1988-07-19 | Xmr Inc. | Laser planarization of nonrefractory metal during integrated circuit fabrication |
US5175126A (en) * | 1990-12-27 | 1992-12-29 | Intel Corporation | Process of making titanium nitride barrier layer |
DE4200809C2 (de) * | 1991-03-20 | 1996-12-12 | Samsung Electronics Co Ltd | Verfahren zur Bildung einer metallischen Verdrahtungsschicht in einem Halbleiterbauelement |
US5242860A (en) * | 1991-07-24 | 1993-09-07 | Applied Materials, Inc. | Method for the formation of tin barrier layer with preferential (111) crystallographic orientation |
US5171412A (en) * | 1991-08-23 | 1992-12-15 | Applied Materials, Inc. | Material deposition method for integrated circuit manufacturing |
-
1993
- 1993-06-10 KR KR1019930010567A patent/KR960011865B1/ko not_active Expired - Fee Related
-
1994
- 1994-06-08 JP JP15149094A patent/JP3535893B2/ja not_active Expired - Fee Related
- 1994-06-09 US US08/257,420 patent/US5665659A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0799170A (ja) | 1995-04-11 |
JP3535893B2 (ja) | 2004-06-07 |
KR950001993A (ko) | 1995-01-04 |
US5665659A (en) | 1997-09-09 |
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