JP4453846B2 - 強誘電体メモリ装置およびその製造方法 - Google Patents
強誘電体メモリ装置およびその製造方法 Download PDFInfo
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- JP4453846B2 JP4453846B2 JP2007300566A JP2007300566A JP4453846B2 JP 4453846 B2 JP4453846 B2 JP 4453846B2 JP 2007300566 A JP2007300566 A JP 2007300566A JP 2007300566 A JP2007300566 A JP 2007300566A JP 4453846 B2 JP4453846 B2 JP 4453846B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 239000010410 layer Substances 0.000 claims description 258
- 230000004888 barrier function Effects 0.000 claims description 141
- 229910052739 hydrogen Inorganic materials 0.000 claims description 90
- 239000001257 hydrogen Substances 0.000 claims description 90
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 89
- 239000003990 capacitor Substances 0.000 claims description 41
- 239000011229 interlayer Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 13
- 239000011810 insulating material Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 16
- 238000005229 chemical vapour deposition Methods 0.000 description 10
- 230000006866 deterioration Effects 0.000 description 9
- 238000004544 sputter deposition Methods 0.000 description 8
- 238000002955 isolation Methods 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 4
- 238000000277 atomic layer chemical vapour deposition Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- NXHILIPIEUBEPD-UHFFFAOYSA-H tungsten hexafluoride Chemical compound F[W](F)(F)(F)(F)F NXHILIPIEUBEPD-UHFFFAOYSA-H 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Classifications
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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
-
- 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
- H01L21/76801—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
-
- 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
-
- 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
- H01L21/76846—Layer combinations
-
- 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
- H01L21/7687—Thin films associated with contacts of capacitors
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Semiconductor Memories (AREA)
Description
基板と、
前記基板の上方に形成され、下部電極層、強誘電体層および上部電極層を有する強誘電体キャパシタと、
前記強誘電体キャパシタを覆う第1水素バリア層と、
前記第1水素バリア層の上方に形成された層間絶縁層と、
前記層間絶縁層および前記第1水素バリア層を貫通し、前記上部電極層に接続されたコンタクト部と、を含み、
前記コンタクト部は、前記上部電極層と接する第1バリア層と、
前記第1バリア層の上方に形成された第2水素バリア層と、
前記第2水素バリア層の上方に形成されたプラグ層と、
を有する。
前記コンタクト部は、前記第2水素バリア層と前記プラグ層との間に第2バリア層を有することができる。
前記第2水素バリア層は、絶縁性材料からなることができる。
基板の上方に、下部電極層、強誘電体層および上部電極層を有する強誘電体キャパシタを形成する工程と、
前記強誘電体キャパシタを覆うように第1水素バリア層を形成する工程と、
前記第1水素バリア層の上方に層間絶縁層を形成する工程と、
前記層間絶縁層および前記第1水素バリア層をエッチングすることによって、前記上部電極層に到達するコンタクトホールを形成する工程と、
前記コンタクトホールに前記上部電極層に接する第1バリア層を形成する工程と、
前記第1バリア層の上方に第2水素バリア層を形成する工程と、
前記第2水素バリア層の上方にプラグ層を形成する工程と、
を含む。
図1は、本発明の実施形態に係る強誘電体メモリ装置100を模式的に示す断面図である。
次に、本実施形態に係る強誘電体メモリ装置100の製造方法について、図面を参照しながら説明する。図2〜6は、本実施形態に係る強誘電体メモリ装置100の製造工程を模式的に示す断面図である。
Claims (3)
- 基板と、
前記基板の上方に形成され、下部電極層、強誘電体層および上部電極層を有する強誘電体キャパシタと、
前記強誘電体キャパシタを覆う第1水素バリア層と、
前記第1水素バリア層の上方に形成された層間絶縁層と、
前記層間絶縁層および前記第1水素バリア層を貫通し、前記上部電極層に接続されたコンタクト部と、を含み、
前記コンタクト部は、
前記層間絶縁層および前記第1水素バリア層を貫通するコンタクトホールと、
前記コンタクトホールの内壁および前記上部電極層の上面に沿って形成された第1バリア層と、
前記第1バリア層の上方に形成された第2水素バリア層と、
前記第2水素バリア層の上方に形成されたプラグ層と、
を有し、
前記第2水素バリア層は、絶縁性材料からなる、強誘電体メモリ装置。 - 請求項1において、
前記コンタクト部は、前記第2水素バリア層と前記プラグ層との間に第2バリア層を有する、強誘電体メモリ装置。 - 基板の上方に、下部電極層、強誘電体層および上部電極層を有する強誘電体キャパシタを形成する工程と、
前記強誘電体キャパシタを覆うように第1水素バリア層を形成する工程と、
前記第1水素バリア層の上方に層間絶縁層を形成する工程と、
前記層間絶縁層および前記第1水素バリア層をエッチングすることによって、前記上部電極層に到達するコンタクトホールを形成する工程と、
前記コンタクトホールの内壁および前記上部電極層の上面に沿って第1バリア層を形成する工程と、
前記第1バリア層の上方に絶縁性材料からなる第2水素バリア層を形成する工程と、
前記第2水素バリア層の上方にプラグ層を形成する工程と、
を含む、強誘電体メモリ装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007300566A JP4453846B2 (ja) | 2007-11-20 | 2007-11-20 | 強誘電体メモリ装置およびその製造方法 |
US12/270,321 US20090127604A1 (en) | 2007-11-20 | 2008-11-13 | Ferroelectric memory device and method for manufacturing the same |
Applications Claiming Priority (1)
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JP2007300566A JP4453846B2 (ja) | 2007-11-20 | 2007-11-20 | 強誘電体メモリ装置およびその製造方法 |
Publications (2)
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JP2009129972A JP2009129972A (ja) | 2009-06-11 |
JP4453846B2 true JP4453846B2 (ja) | 2010-04-21 |
Family
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JP2007300566A Expired - Fee Related JP4453846B2 (ja) | 2007-11-20 | 2007-11-20 | 強誘電体メモリ装置およびその製造方法 |
Country Status (2)
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US (1) | US20090127604A1 (ja) |
JP (1) | JP4453846B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190014445A (ko) * | 2017-08-02 | 2019-02-12 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 메모리를 위한 동종의 하부 전극 비아(beva) 상부면을 형성하는 방법 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5644120B2 (ja) | 2010-01-26 | 2014-12-24 | セイコーエプソン株式会社 | 熱型光検出器、熱型光検出装置、電子機器および熱型光検出器の製造方法 |
JP5644121B2 (ja) | 2010-01-26 | 2014-12-24 | セイコーエプソン株式会社 | 熱型光検出器、熱型光検出装置、電子機器および熱型光検出器の製造方法 |
JP5218460B2 (ja) | 2010-03-26 | 2013-06-26 | セイコーエプソン株式会社 | 焦電型光検出器、焦電型光検出装置及び電子機器 |
JP5589486B2 (ja) | 2010-03-26 | 2014-09-17 | セイコーエプソン株式会社 | 焦電型光検出器、焦電型光検出装置及び電子機器 |
JP5771900B2 (ja) | 2010-03-26 | 2015-09-02 | セイコーエプソン株式会社 | 熱型光検出器、熱型光検出装置及び電子機器 |
JP5569134B2 (ja) | 2010-05-10 | 2014-08-13 | セイコーエプソン株式会社 | 熱型光検出装置および電子機器 |
JP5589605B2 (ja) | 2010-06-25 | 2014-09-17 | セイコーエプソン株式会社 | 焦電型検出器、焦電型検出装置及び電子機器 |
JP5585241B2 (ja) | 2010-06-25 | 2014-09-10 | セイコーエプソン株式会社 | 焦電型検出器、焦電型検出装置及び電子機器 |
JP5521827B2 (ja) | 2010-06-28 | 2014-06-18 | セイコーエプソン株式会社 | 焦電型検出器、焦電型検出装置及び電子機器 |
JP5636787B2 (ja) | 2010-07-26 | 2014-12-10 | セイコーエプソン株式会社 | 熱型光検出器、熱型光検出装置及び電子機器 |
US8395196B2 (en) * | 2010-11-16 | 2013-03-12 | International Business Machines Corporation | Hydrogen barrier liner for ferro-electric random access memory (FRAM) chip |
CN102564601A (zh) * | 2010-12-22 | 2012-07-11 | 精工爱普生株式会社 | 热式光检测装置、电子设备、热式光检测器及其制造方法 |
US20200373200A1 (en) | 2019-05-24 | 2020-11-26 | Applied Materials, Inc. | Metal based hydrogen barrier |
US11751405B2 (en) | 2020-09-25 | 2023-09-05 | Taiwan Semiconductor Manufacturing Co., Ltd. | Integrated circuit and method for fabricating the same |
US11894267B2 (en) * | 2021-01-05 | 2024-02-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for fabricating integrated circuit device |
Family Cites Families (5)
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US6249014B1 (en) * | 1998-10-01 | 2001-06-19 | Ramtron International Corporation | Hydrogen barrier encapsulation techniques for the control of hydrogen induced degradation of ferroelectric capacitors in conjunction with multilevel metal processing for non-volatile integrated circuit memory devices |
JP2006210511A (ja) * | 2005-01-26 | 2006-08-10 | Oki Electric Ind Co Ltd | 半導体装置 |
JP2007067066A (ja) * | 2005-08-30 | 2007-03-15 | Toshiba Corp | 半導体装置とその製造方法 |
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 |
JP2008066615A (ja) * | 2006-09-11 | 2008-03-21 | Oki Electric Ind Co Ltd | 半導体装置及びその製造方法 |
-
2007
- 2007-11-20 JP JP2007300566A patent/JP4453846B2/ja not_active Expired - Fee Related
-
2008
- 2008-11-13 US US12/270,321 patent/US20090127604A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190014445A (ko) * | 2017-08-02 | 2019-02-12 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 메모리를 위한 동종의 하부 전극 비아(beva) 상부면을 형성하는 방법 |
KR102066247B1 (ko) * | 2017-08-02 | 2020-01-14 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 메모리를 위한 동종의 하부 전극 비아(beva) 상부면을 형성하는 방법 |
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JP2009129972A (ja) | 2009-06-11 |
US20090127604A1 (en) | 2009-05-21 |
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