KR100672101B1 - 개선된 피처 표면 커버리지를 향상시키는 구리 시드층을증착시키는 방법 - Google Patents
개선된 피처 표면 커버리지를 향상시키는 구리 시드층을증착시키는 방법 Download PDFInfo
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
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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
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
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- 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 System
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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
- H01L23/53233—Copper alloys
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- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- 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
- H01L23/53238—Additional layers associated with copper layers, e.g. adhesion, barrier, cladding layers
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Abstract
Description
Claims (18)
- 반도체 기판 상(upon) 또는 내부의 피처의 내부면에 구리 시드층을 제공하는 방법으로서,구리 종을 이용하여 상기 피처의 내부면에 상기 구리 시드층을 증착하는 단계 - 상기 종의 적어도 30퍼센트는 상기 종이 상기 기판의 표면에 접촉할 때 구리 이온 형태가 되어 연속하는 구리 시드층이 형성하게 함 -를 포함하는 구리 시드층 제공 방법.
- 제 1항에 있어서, 이온이 되는 상기 구리 종의 비율은 약 50 내지 약 100%사이의 범위인 것을 특징으로 하는 구리 시드층 제공 방법.
- 제 2항에 있어서, 이온이 되는 상기 구리 종의 비율은 약 50 내지 약 90%사이의 범위인 것을 특징으로 하는 구리 시드층 제공 방법.
- 제 3항에 있어서, 이온이 되는 상기 구리 종의 비율은 약 60 내지 약 90%사이의 범위인 것을 특징으로 하는 구리 시드층 제공 방법.
- 제 1 항 내지 제 4항 중 어느 한 항에 있어서, 이온이 되는 상기 구리 종의 비율은 이온 증착 스퍼터링에 의하여 달성되며, 상기 구리 종의 소스 및 반도체 기판사이에 배치된 이온화 장치에 파워가 인가되며, RF 파워 소스에 의하여 제공되는 이온화 에너지가 인가될 때 종을 감싸는 주위 압력은 적어도 30mTorr인 것을 특징으로 하는 구리 시드층 제공 방법.
- 제 5항에 있어서, 상기 주위 압력은 적어도 40mTorr인 것을 특징으로 하는 구리 시드층 제공 방법.
- 제 5항에 있어서, 상기 주위 압력은 적어도 60mTorr인 것을 특징으로 하는 구리 시드층 제공 방법.
- 제 1항의 방법에 따라 반도체 기판 상 또는 내부의 피처의 내부면에 연속하는 구리 시드층을 제공하기 위하여 사용되는 장치로서,상기 구리 시드층 제공 방법의 단계들을 수행하도록 프로그래밍된 전자 장치를 포함하는 구리 시드층 제공 장치.
- 제 8항에 있어서, 상기 장치는 상기 구리 종을 발생시키기 위하여 이용된 소스 및 상기 반도체 기판사이에 배치된 이온화 장치를 더 포함하는 것을 특징으로 하는 구리 시드층 제공 장치.
- 제 9항에 있어서, RF 파워가 상기 이온화 장치에 인가되는 것을 특징으로 하는 구리 시드층 제공 장치.
- 반도체 기판 상 또는 내부의 반도체 피처를 완전하게 구리 충전시키는 방법으로서,구리 종을 이용하여 상기 피처의 내부면에 연속하는 구리 충전 시드층을 증착하는 단계 - 상기 종의 적어도 30퍼센트는 상기 종이 상기 기판 표면에 접촉할 때 구리 이온 형태가 됨 - ; 및뒤이어, 상기 연속하는 구리 시드층에 구리 충전층을 증착하는 단계를 포함하는 구리 충전 방법.
- 제 11항에 있어서, 이온이 되는 상기 구리 종의 비율은 약 30 내지 약 90%사이의 범위인 것을 특징으로 하는 구리 충전 방법.
- 제 12항에 있어서, 이온이 되는 상기 구리 종의 비율은 약 50 내지 약 90%사이의 범위인 것을 특징으로 하는 구리 충전 방법.
- 제 13항에 있어서, 이온이 되는 상기 구리 종의 비율은 약 70 내지 약 90%사이의 범위인 것을 특징으로 하는 구리 충전 방법.
- 제 11 항 내지 제 14 항 중 어느 한 항에 있어서, 이온이 되는 상기 구리 종의 비율은 이온 증착 스퍼터링에 의하여 달성되며, 상기 구리 종의 소스 및 반도체 기판사이에 배치된 이온화 장치에 파워가 인가되며, RF 파워 소스에 의하여 제공되는 이온화 에너지가 인가될 때 구리 종을 감싸는 주위 압력은 적어도 30mTorr인 것을 특징으로 하는 구리 충전 방법.
- 제 11항의 방법에 따라 반도체 피처를 완전하게 구리 충전하기 위하여 사용되는 장치로서,상기 구리 충전 방법의 단계들을 수행하도록 프로그래밍된 전자 장치를 포함하는 구리 충전 장치.
- 제 16항에 있어서, 상기 구리 충전 장치는 상기 구리 종을 발생시키기 위하여 이용된 소스 및 반도체 기판사이에 배치된 이온화 장치를 더 포함하는 것을 특징으로 하는 구리 충전 장치.
- 제 17항에 있어서, RF 파워가 상기 이온화 장치에 인가되는 것을 특징으로 하는 구리 충전 장치.
Applications Claiming Priority (2)
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US22697799A | 1999-01-08 | 1999-01-08 | |
US09/226,977 | 1999-01-08 |
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KR20010089783A KR20010089783A (ko) | 2001-10-08 |
KR100672101B1 true KR100672101B1 (ko) | 2007-01-19 |
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KR1020017008600A KR100672101B1 (ko) | 1999-01-08 | 1999-12-17 | 개선된 피처 표면 커버리지를 향상시키는 구리 시드층을증착시키는 방법 |
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US (2) | US6391776B1 (ko) |
EP (1) | EP1149416A1 (ko) |
JP (1) | JP2002534807A (ko) |
KR (1) | KR100672101B1 (ko) |
TW (1) | TW518714B (ko) |
WO (1) | WO2000041235A1 (ko) |
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US6037258A (en) * | 1999-05-07 | 2000-03-14 | Taiwan Semiconductor Manufacturing Company | Method of forming a smooth copper seed layer for a copper damascene structure |
-
1999
- 1999-12-17 KR KR1020017008600A patent/KR100672101B1/ko active IP Right Grant
- 1999-12-17 WO PCT/US1999/030235 patent/WO2000041235A1/en active IP Right Grant
- 1999-12-17 JP JP2000592876A patent/JP2002534807A/ja not_active Withdrawn
- 1999-12-17 EP EP99967421A patent/EP1149416A1/en not_active Withdrawn
- 1999-12-21 TW TW088122594A patent/TW518714B/zh not_active IP Right Cessation
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2001
- 2001-01-05 US US09/754,894 patent/US6391776B1/en not_active Expired - Fee Related
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2002
- 2002-01-24 US US10/056,751 patent/US6500762B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0799903A2 (en) * | 1996-04-05 | 1997-10-08 | Applied Materials, Inc. | Methods of sputtering a metal onto a substrate and semiconductor processing apparatus |
EP0878843A2 (en) * | 1997-05-13 | 1998-11-18 | Applied Materials, Inc. | Method of sputtering copper to fill trenches and vias |
Also Published As
Publication number | Publication date |
---|---|
TW518714B (en) | 2003-01-21 |
US20020068449A1 (en) | 2002-06-06 |
EP1149416A1 (en) | 2001-10-31 |
US6500762B2 (en) | 2002-12-31 |
WO2000041235A1 (en) | 2000-07-13 |
JP2002534807A (ja) | 2002-10-15 |
US6391776B1 (en) | 2002-05-21 |
KR20010089783A (ko) | 2001-10-08 |
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