KR100692466B1 - 반도체 장치와 그 제조 방법 - Google Patents
반도체 장치와 그 제조 방법 Download PDFInfo
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- KR100692466B1 KR100692466B1 KR1020050039667A KR20050039667A KR100692466B1 KR 100692466 B1 KR100692466 B1 KR 100692466B1 KR 1020050039667 A KR1020050039667 A KR 1020050039667A KR 20050039667 A KR20050039667 A KR 20050039667A KR 100692466 B1 KR100692466 B1 KR 100692466B1
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- H—ELECTRICITY
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- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body
- H01L27/10—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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
- H01L27/105—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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration including field-effect components
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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
- H01L21/70—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
- H01L21/76816—Aspects relating to the layout of the pattern or to the size of vias or trenches
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- 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
- H01L21/76832—Multiple layers
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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
- H01L21/70—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
- H01L21/7687—Thin films associated with contacts of capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body
- H01L27/10—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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/55—Capacitors with a dielectric comprising a perovskite structure material
- H01L28/57—Capacitors with a dielectric comprising a perovskite structure material comprising a barrier layer to prevent diffusion of hydrogen or oxygen
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors
- H10B53/30—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors characterised by the memory core region
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (10)
- 반도체 기판과,상기 반도체 기판에 형성되고, 절연 게이트와 그 양측의 소스/드레인을 갖는 MOS 트랜지스터와,상기 반도체 기판 위쪽에 형성되고, 하부 전극, 강유전체층, 상부 전극을 갖는 강유전체 커패시터와,상기 상부 전극 위에 형성되고, 상부 전극 두께의 1/2 이하의 두께를 가지며, 수소 내성(耐性)이 있는 Pt 또는 Ir막으로 이루어지는 금속막과,상기 강유전체 커패시터와 금속막을 매립하는 층간절연막과,상기 층간절연막을 관통하여 상기 금속막에 이르고, 도전성 접착막(conductive glue film)과 텅스텐체(tungsten body)를 포함하는 도전성 플러그와,상기 층간절연막 위에 형성되고, 상기 도전성 플러그에 접속된 알루미늄 배선을 갖는 반도체 장치.
- 삭제
- 제 1 항에 있어서,상기 도전성 접착막이 TiAlN층을 포함하는 반도체 장치.
- 제 1 항에 있어서,상기 하부 전극과 상기 금속막이 Pt막인 반도체 장치.
- 제 1 항에 있어서,상기 강유전체층이 PZT층이며, 상기 상부 전극이 IrOx층인 반도체 장치.
- (a) 반도체 기판에 MOS 트랜지스터를 형성하는 공정과,(b) 상기 MOS 트랜지스터를 매립하도록 상기 반도체 기판 위쪽에 하부 절연층을 형성하는 공정과,(c) 상기 하부 절연층을 관통하여 상기 MOS 트랜지스터에 접속된 도전성 플러그를 형성하는 공정과,(d) 상기 하부 절연층 위에 하부 전극층, 강유전체층, 상부 전극층, 상기 상부 전극층 두께의 1/2 이하의 두께와 수소 내성을 갖는 Pt막 또는 Ir막으로 이루어진 금속막의 적층(積層)을 형성하는 공정과,(e) 상기 적층을 패터닝하여, 하부 전극, 강유전체막, 상부 전극, 금속막을 포함하는 강유전체 커패시터 구조를 형성하는 공정과,(f) 상기 강유전체 커패시터 구조를 매립하는 층간절연막을 형성하는 공정과,(g) 상기 층간절연막을 관통하여 상기 금속막에 이르는 텅스텐 플러그를 형성하는 공정과,(h) 상기 층간절연막 위에 상기 텅스텐 플러그에 접속된 알루미늄 배선을 형성하는 공정을 포함하는 반도체 장치의 제조 방법.
- 제 6 항에 있어서,상기 공정 (g)가,(g-1) 상기 층간절연막을 관통하는 컨택트 홀을 형성하는 공정과,(g-2) 상기 컨택트 홀 내면을 덮는 도전성 접착막을 형성하는 공정과,(g-3) 상기 도전성 접착막 위에 환원 반응을 이용하여 텅스텐층을 형성하는 공정과,(g-4) 상기 층간절연막 위의 불필요 도전층을 제거하여 상기 컨택트 홀에 텅스텐 플러그를 남기는 공정을 포함하는 반도체 장치의 제조 방법.
- 제 7 항에 있어서,상기 공정 (g-3)이 수소를 공급하여 텅스텐층을 성막하는 본성장 공정과, 상기 본성장 공정에 앞서, 수소 공급량을 억제하여 텅스텐층을 성장시키는 초기 성장 공정을 포함하는 반도체 장치의 제조 방법.
- 제 6 항 내지 제 8 항 중 어느 한 항에 있어서,상기 공정 (e)는 하부 전극층과, 강유전체층과, 상부 전극층과 금속막의 조합을 각각 다른 마스크를 사용하여 계단형으로 에칭하는 반도체 장치의 제조 방법.
- 제 9 항에 있어서,상기 공정 (g)가 상기 하부 전극에 접속된 텅스텐 플러그도 형성하는 반도체 장치의 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005010672A JP4785030B2 (ja) | 2005-01-18 | 2005-01-18 | 半導体装置とその製造方法 |
JPJP-P-2005-00010672 | 2005-01-18 |
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KR20060083839A KR20060083839A (ko) | 2006-07-21 |
KR100692466B1 true KR100692466B1 (ko) | 2007-03-09 |
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KR1020050039667A KR100692466B1 (ko) | 2005-01-18 | 2005-05-12 | 반도체 장치와 그 제조 방법 |
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US (1) | US7518173B2 (ko) |
JP (1) | JP4785030B2 (ko) |
KR (1) | KR100692466B1 (ko) |
CN (1) | CN100461421C (ko) |
TW (1) | TWI270197B (ko) |
Families Citing this family (17)
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JP4601896B2 (ja) * | 2002-10-30 | 2010-12-22 | 富士通セミコンダクター株式会社 | 半導体装置及びその製造方法 |
JP4778765B2 (ja) * | 2005-10-07 | 2011-09-21 | 富士通セミコンダクター株式会社 | 半導体装置及びその製造方法 |
JP4703349B2 (ja) * | 2005-10-11 | 2011-06-15 | Okiセミコンダクタ株式会社 | アモルファス膜の成膜方法 |
WO2007063573A1 (ja) * | 2005-11-29 | 2007-06-07 | Fujitsu Limited | 半導体装置とその製造方法 |
JP2007180191A (ja) * | 2005-12-27 | 2007-07-12 | Fujitsu Ltd | 膜厚測定方法および半導体装置の製造方法 |
US7857948B2 (en) * | 2006-07-19 | 2010-12-28 | Oerlikon Trading Ag, Trubbach | Method for manufacturing poorly conductive layers |
US8093698B2 (en) * | 2006-12-05 | 2012-01-10 | Spansion Llc | Gettering/stop layer for prevention of reduction of insulating oxide in metal-insulator-metal device |
KR100857999B1 (ko) * | 2006-12-28 | 2008-09-10 | 동부일렉트로닉스 주식회사 | 씨모스 이미지센서 및 그 제조방법 |
JP2008177266A (ja) * | 2007-01-17 | 2008-07-31 | Fujitsu Ltd | 半導体基板、および半導体装置の製造方法 |
JP2008198885A (ja) | 2007-02-15 | 2008-08-28 | Fujitsu Ltd | 半導体装置およびその製造方法 |
JP4320679B2 (ja) | 2007-02-19 | 2009-08-26 | セイコーエプソン株式会社 | 強誘電体メモリ装置の製造方法 |
WO2008102438A1 (ja) | 2007-02-21 | 2008-08-28 | Fujitsu Microelectronics Limited | 半導体装置及びその製造方法 |
JP5170101B2 (ja) | 2007-11-02 | 2013-03-27 | 富士通セミコンダクター株式会社 | 半導体装置とその製造方法 |
JP2009130207A (ja) | 2007-11-26 | 2009-06-11 | Nec Electronics Corp | 半導体装置および半導体装置の製造方法 |
JP2009231445A (ja) * | 2008-03-21 | 2009-10-08 | Toshiba Corp | 半導体記憶装置 |
US8450168B2 (en) * | 2010-06-25 | 2013-05-28 | International Business Machines Corporation | Ferro-electric capacitor modules, methods of manufacture and design structures |
US9012966B2 (en) * | 2012-11-21 | 2015-04-21 | Qualcomm Incorporated | Capacitor using middle of line (MOL) conductive layers |
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2005
- 2005-01-18 JP JP2005010672A patent/JP4785030B2/ja not_active Expired - Fee Related
- 2005-04-27 TW TW094113454A patent/TWI270197B/zh not_active IP Right Cessation
- 2005-05-12 KR KR1020050039667A patent/KR100692466B1/ko active IP Right Grant
- 2005-05-16 US US11/129,490 patent/US7518173B2/en not_active Expired - Fee Related
- 2005-05-25 CN CNB200510072992XA patent/CN100461421C/zh not_active Expired - Fee Related
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KR20010018256A (ko) * | 1999-08-18 | 2001-03-05 | 윤종용 | 수소 내성 강화를 위한 강유전체 캐패시터의 제조방법 |
US6635528B2 (en) | 1999-12-22 | 2003-10-21 | Texas Instruments Incorporated | Method of planarizing a conductive plug situated under a ferroelectric capacitor |
KR20040008722A (ko) * | 2002-07-19 | 2004-01-31 | 주식회사 하이닉스반도체 | 반도체 장치 제조방법 |
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TW200627629A (en) | 2006-08-01 |
US7518173B2 (en) | 2009-04-14 |
JP4785030B2 (ja) | 2011-10-05 |
US20060157762A1 (en) | 2006-07-20 |
KR20060083839A (ko) | 2006-07-21 |
CN1808717A (zh) | 2006-07-26 |
JP2006202848A (ja) | 2006-08-03 |
CN100461421C (zh) | 2009-02-11 |
TWI270197B (en) | 2007-01-01 |
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