KR20010021437A - 금속배선 구조, 반도체 장치 및 반도체 장치의 제조방법 - Google Patents
금속배선 구조, 반도체 장치 및 반도체 장치의 제조방법 Download PDFInfo
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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
- 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
- H01L21/76838—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
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- H01L21/76868—Forming or treating discontinuous thin films, e.g. repair, enhancement or reinforcement of discontinuous thin films
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- 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
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L21/76873—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers for electroplating
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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
- H01L21/76838—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
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L21/76874—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers for electroless plating
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- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53228—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being copper
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- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
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Abstract
Description
시드층의 막 두깨 | 밀착층의 막 두께 | Zr/Cu 비율 | 임계 응력(kgf) |
Cu막 200㎚ | 밀착층 없음 | 0 | 10.0 |
Cu막 198㎚ | Zr막 2㎚ | 1/99 | 12.5 |
Cu막 195㎚ | Zr막 5㎚ | 1/39 | 12.5 |
Cu막 190㎚ | Zr막 10㎚ | 1/19 | 15.0 |
Claims (10)
- 동(銅)을 주성분으로 하는 배선재(配線材)가 배리어(barrier)층을 개재하여 절연막에 매입되어 이루어진 금속배선 구조로서,상기 배선재와 상기 배리어층이 지르코늄을 함유한 밀착층을 개재하여 접합되어 있는 것을 특징으로 하는 금속배선 구조.
- 동을 주성분으로 하는 배선재가 배리어층을 개재하여 절연막에 매입되어 이루어진 금속배선 구조로서,상기 절연막과 상기 배리어층이 지르코늄을 함유한 밀착층을 개재하여 접합되어 있는 것을 특징으로 하는 금속배선 구조.
- 제 1 항 또는 제 2 항에 있어서, 상기 밀착층과 상기 배리어층 사이에 동-지르코늄 합금으로 이루어진 섬형 구조체가 산재(散在)되어 있는 것을 특징으로 하는 금속배선 구조.
- 동을 주성분으로 하는 배선재가 배리어층을 개재하여 절연막에 매입되어 이루어진 금속배선 구조로서,상기 배선재와 상기 배리어층이 동 중에 있어서의 고용도(固溶度)가 20% 이하이고, 동 중에 고용되었을 때의 비저항의 증가가 19.8% 이하인 금속 재료를 함유한 밀착층을 개재하여 접합되어 있는 것을 특징으로 하는 금속배선 구조.
- 반도체 기판 상의 절연막에 형성된 개구부를 매입하도록 하여 금속배선이 형성되고, 상기 금속배선이 상기 반도체 기판 상의 반도체 소자와 전기적으로 접속되어 있는 반도체 장치로서,상기 금속배선은 상기 개구부의 내벽면을 덮도록 형성된 배리어층과, 상기 배리어층 상을 덮도록 형성된 지르코늄을 함유한 밀착층과, 상기 배리어층 및 상기 밀착층을 개재하여 상기 개구부에 매입된 동을 주성분으로 하는 배선재를 갖는 것을 특징으로 하는 반도체 장치.
- 반도체 기판 상의 절연막에 형성된 개구부를 매입하도록 하여 금속배선이 형성되고, 상기 금속배선이 상기 반도체 기판 상의 반도체 소자와 전기적으로 접속되어 있는 반도체 장치로서,상기 금속배선은 상기 개구부의 내벽면을 덮도록 형성된 지르코늄을 함유한 밀착층과, 상기 밀착층을 덮도록 형성된 배리어층과, 상기 밀착층 및 상기 배리어층을 개재하여 상기 개구부에 매입된 동을 주성분으로 하는 배선재를 갖는 것을 특징으로 하는 반도체 장치.
- 제 5 항 또는 제 6 항에 있어서, 상기 배리어층과 상기 밀착층 사이에 동-지르코늄 합금으로 이루어진 섬형 구조체가 산재되어 있는 것을 특징으로 하는 반도체 장치.
- 제 5 항 또는 제 6 항에 있어서, 상기 밀착층은 산재하여 설치된 동-지르코늄 합금으로 이루어진 섬형 구조체를 포함하고 있는 것을 특징으로 하는 반도체 장치.
- 반도체 기판 상의 반도체 소자와 접속되는 금속배선을 상기 반도체 기판 상의 절연막 중에 형성하는 방법으로서,상기 반도체 기판 상에 상기 절연막을 형성하는 공정과,상기 절연막을 선택적으로 제거하여 개구부를 형성하는 공정과,상기 개구부의 내벽을 덮도록 배리어층을 형성하는 공정과,상기 배리어층 상에 지르코늄을 함유한 제 1 밀착층을 형성하는 공정과,상기 개구부 위를 포함한 상기 절연막 상에 동을 주성분으로 하는 배선재를 형성하고, 상기 개구부를 매입하는 공정과,상기 절연막이 노출될 때까지, 상기 배선재, 상기 제 1 밀착층 및 상기 배리어층을 연마하여 제거하고, 상기 개구부에 매입된 상기 배선재, 상기 제 1 밀착층 및 상기 배리어층으로 이루어진 상기 금속배선을 형성하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조방법.
- 반도체 기판 상의 반도체 소자와 접속되는 금속배선을 상기 반도체 기판 상의 절연막 중에 형성하는 방법으로서,상기 반도체 기판 상에 상기 절연막을 형성하는 공정과,상기 절연막을 선택적으로 제거하여 개구부를 형성하는 공정과,상기 개구부의 내벽을 덮도록 지르코늄을 함유한 제 1 밀착층을 형성하는 공정과,상기 제 1 밀착층 상에 배리어층을 형성하는 공정과,상기 개구부 위를 포함한 상기 절연막 상에 동을 주성분으로 하는 배선재를 형성하고, 상기 개구부를 매입하는 공정과,상기 절연막이 노출될 때까지, 상기 배선재, 상기 배리어층 및 상기 제 1 밀착층을 연마하여 제거하고, 상기 개구부에 매입된 상기 배선재, 상기 배리어층 및 상기 제 1 밀착층으로 이루어진 상기 금속배선을 형성하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조방법.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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JP24086699 | 1999-08-27 | ||
JP99-240866 | 1999-08-27 | ||
JP2000-169361 | 2000-06-06 | ||
JP2000169361 | 2000-06-06 | ||
JP2000236744A JP4428832B2 (ja) | 1999-08-27 | 2000-08-04 | 金属配線構造、半導体装置及び半導体装置の製造方法 |
JP2000-236744 | 2000-08-04 |
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KR20010021437A true KR20010021437A (ko) | 2001-03-15 |
KR100613154B1 KR100613154B1 (ko) | 2006-08-17 |
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US (1) | US6841477B1 (ko) |
JP (1) | JP4428832B2 (ko) |
KR (1) | KR100613154B1 (ko) |
DE (1) | DE10041565B4 (ko) |
TW (1) | TW536743B (ko) |
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JP5569561B2 (ja) * | 2012-06-18 | 2014-08-13 | 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 |
US9711454B2 (en) * | 2015-08-29 | 2017-07-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Through via structure for step coverage improvement |
JP6350754B1 (ja) * | 2017-01-20 | 2018-07-04 | 凸版印刷株式会社 | 表示装置及び表示装置基板 |
US10049980B1 (en) * | 2017-02-10 | 2018-08-14 | International Business Machines Corporation | Low resistance seed enhancement spacers for voidless interconnect structures |
DE102018102448B4 (de) * | 2017-11-30 | 2023-06-15 | Taiwan Semiconductor Manufacturing Co., Ltd. | Bildung und Struktur leitfähiger Merkmale |
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US4751349A (en) * | 1986-10-16 | 1988-06-14 | International Business Machines Corporation | Zirconium as an adhesion material in a multi-layer metallic structure |
JP2701730B2 (ja) * | 1994-02-24 | 1998-01-21 | 日本電気株式会社 | 半導体装置およびその製造方法 |
JP2728025B2 (ja) | 1995-04-13 | 1998-03-18 | 日本電気株式会社 | 半導体装置の製造方法 |
US5714418A (en) * | 1995-11-08 | 1998-02-03 | Intel Corporation | Diffusion barrier for electrical interconnects in an integrated circuit |
US5677244A (en) * | 1996-05-20 | 1997-10-14 | Motorola, Inc. | Method of alloying an interconnect structure with copper |
KR100234694B1 (ko) * | 1996-10-29 | 1999-12-15 | 김영환 | 비지에이 패키지의 제조방법 |
US5858873A (en) * | 1997-03-12 | 1999-01-12 | Lucent Technologies Inc. | Integrated circuit having amorphous silicide layer in contacts and vias and method of manufacture thereof |
IL120514A (en) * | 1997-03-25 | 2000-08-31 | P C B Ltd | Electronic interconnect structure and method for manufacturing it |
JP3228181B2 (ja) * | 1997-05-12 | 2001-11-12 | ヤマハ株式会社 | 平坦配線形成法 |
US6249055B1 (en) * | 1998-02-03 | 2001-06-19 | Advanced Micro Devices, Inc. | Self-encapsulated copper metallization |
US5939788A (en) * | 1998-03-11 | 1999-08-17 | Micron Technology, Inc. | Copper diffusion barrier, aluminum wetting layer and improved methods for filling openings in silicon substrates with cooper |
US6022808A (en) * | 1998-03-16 | 2000-02-08 | Advanced Micro Devices, Inc. | Copper interconnect methodology for enhanced electromigration resistance |
US6284656B1 (en) * | 1998-08-04 | 2001-09-04 | Micron Technology, Inc. | Copper metallurgy in integrated circuits |
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2000
- 2000-08-04 JP JP2000236744A patent/JP4428832B2/ja not_active Expired - Fee Related
- 2000-08-24 DE DE10041565A patent/DE10041565B4/de not_active Expired - Lifetime
- 2000-08-26 KR KR1020000049913A patent/KR100613154B1/ko active IP Right Grant
- 2000-08-28 TW TW089117375A patent/TW536743B/zh not_active IP Right Cessation
- 2000-08-28 US US09/648,750 patent/US6841477B1/en not_active Expired - Lifetime
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KR100613154B1 (ko) | 2006-08-17 |
DE10041565A1 (de) | 2001-05-10 |
DE10041565B4 (de) | 2006-02-23 |
JP4428832B2 (ja) | 2010-03-10 |
US6841477B1 (en) | 2005-01-11 |
TW536743B (en) | 2003-06-11 |
JP2002064098A (ja) | 2002-02-28 |
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