JP5045101B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP5045101B2 JP5045101B2 JP2006512706A JP2006512706A JP5045101B2 JP 5045101 B2 JP5045101 B2 JP 5045101B2 JP 2006512706 A JP2006512706 A JP 2006512706A JP 2006512706 A JP2006512706 A JP 2006512706A JP 5045101 B2 JP5045101 B2 JP 5045101B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 239000004065 semiconductor Substances 0.000 title claims description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 39
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 37
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 32
- 239000003990 capacitor Substances 0.000 claims description 26
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 description 154
- 239000011229 interlayer Substances 0.000 description 34
- 239000010410 layer Substances 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000013039 cover film Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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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
- H01L21/76801—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
-
- 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
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76826—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. by contacting the layer with gases, liquids or plasmas
-
- 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
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76828—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. thermal treatment
-
- 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
- H01L21/76832—Multiple layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- 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
- H01L23/5329—Insulating materials
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- H01L23/00—Details of semiconductor or other solid state devices
- 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
- H01L23/5329—Insulating materials
- H01L23/53295—Stacked insulating layers
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- 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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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
先ず、第1の参考例の強誘電体メモリ(半導体装置)の製造方法について説明する。図2A乃至図2Iは、第1の参考例の強誘電体メモリの製造方法を工程順に示す断面図である。
次に、第2の参考例について説明する。図3A乃至図3Bは、第2の参考例の強誘電体メモリの製造方法を工程順に示す断面図である。
次に、本発明の実施形態について説明する。図4A乃至図4Bは、本発明の実施形態に係る強誘電体メモリの製造方法を工程順に示す断面図である。
次に、第3の参考例について説明する。図5は、第3の参考例の強誘電体メモリの製造方法を示す断面図である。
第1の試験では、3種の試料を10個ずつ作製し、王水の染み込み具合を観察した。その後、ポリイミド膜の形成まで行って強誘電体メモリを完成させた後、硫酸中に約30秒間浸漬してポリイミド膜を剥離した。そして、各試料を王水中に約1分間浸漬し、染み込みの発生具合を評価した。この結果を、条件と共に下記表1に示す。なお、これらの3種の試料では、パッドを覆うシリコン酸化膜及びシリコン窒化膜の形成条件及び厚さを相違させると共に、実施例1のみにパッド下のアルミナ膜を形成した。
第2の試験では、2種の試料を20個ずつ作製し、PTHS耐性の評価を行った。この結果を表2に示す。実施例2は、第2の参考例に準じたものであり、比較例3は、第2の参考例からパッド下のアルミナ膜を除いたものに相当する。
Claims (7)
- 強誘電体キャパシタと、
前記強誘電体キャパシタの上方に形成された2個以上の配線層と、
前記2個以上の配線層のうちで最も上方に位置する2個の配線層の間に形成された平坦な第1のアルミナ膜と、
前記最も上方に位置する1個の配線層を直接覆う第2のアルミナ膜と、
前記第2のアルミナ膜上に形成されたシリコン酸化膜と、
前記シリコン酸化膜上に形成されたシリコン窒化膜と、
を有し、
前記最も上方に位置する1個の配線層の上の、前記第2のアルミナ膜、前記シリコン酸化膜及び前記シリコン窒化膜にパッド開口部が形成されていることを特徴とする半導体装置。 - 前記シリコン酸化膜は、SOG膜であることを特徴とする請求項1に記載の半導体装置。
- 前記シリコン酸化膜は、平坦化処理が施されたTEOS膜であることを特徴とする請求項1に記載の半導体装置。
- 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の上方に2個以上の配線層を形成する工程と、
を有し、
前記2個以上の配線層を形成する工程の間に、前記2個以上の配線層のうちで最も上方に位置する2個の配線層の間に平坦な第1のアルミナ膜を形成する工程を有し、
前記2個以上の配線層を形成する工程の後に、
前記2個以上の配線層のうちで最も上方に位置する1個の配線層を直接覆う第2のアルミナ膜を形成する工程と、
前記第2のアルミナ膜上にシリコン酸化膜を形成する工程と、
前記シリコン酸化膜上にシリコン窒化膜を形成する工程と、
前記最も上方に位置する1個の配線層の上の、前記第2のアルミナ膜、前記シリコン酸化膜及び前記シリコン窒化膜にパッド開口部を形成する工程と、
を有することを特徴とする半導体装置の製造方法。 - 前記シリコン酸化膜として、SOG膜を形成することを特徴とする請求項4に記載の半導体装置の製造方法。
- 前記シリコン酸化膜を形成する工程は、
TEOS膜を形成する工程と、
前記TEOS膜に対して平坦化処理を施す工程と、
を有することを特徴とする請求項4に記載の半導体装置の製造方法。 - 前記2個以上の配線層を形成する工程と前記第2のアルミナ膜を形成する工程との間に、
前記2個以上の配線層のうちで最も上方に位置する1個の配線層に対して、窒素を含有する雰囲気中でアニール処理を施す工程を有することを特徴とする請求項4に記載の半導体装置の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/006289 WO2005106957A1 (ja) | 2004-04-30 | 2004-04-30 | 半導体装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005106957A1 JPWO2005106957A1 (ja) | 2008-03-21 |
JP5045101B2 true JP5045101B2 (ja) | 2012-10-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006512706A Expired - Fee Related JP5045101B2 (ja) | 2004-04-30 | 2004-04-30 | 半導体装置及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7999301B2 (ja) |
JP (1) | JP5045101B2 (ja) |
CN (1) | CN1922731B (ja) |
WO (1) | WO2005106957A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007165350A (ja) * | 2005-12-09 | 2007-06-28 | Fujitsu Ltd | 半導体装置の製造方法 |
JP5098647B2 (ja) * | 2005-12-27 | 2012-12-12 | 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 |
JP5309988B2 (ja) * | 2006-03-29 | 2013-10-09 | 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 |
JP6080961B2 (ja) * | 2013-09-05 | 2017-02-15 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
CN104637864B (zh) * | 2013-11-14 | 2017-11-24 | 中芯国际集成电路制造(上海)有限公司 | 提高数据保持能力的方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001358309A (ja) * | 1999-05-14 | 2001-12-26 | Toshiba Corp | 半導体装置 |
JP2002035442A (ja) * | 2000-07-27 | 2002-02-05 | Sony Corp | 模型及び遠隔操作系 |
JP2002190577A (ja) * | 2000-12-20 | 2002-07-05 | Toshiba Corp | 半導体記憶装置及びその製造方法 |
JP2003068993A (ja) * | 2001-08-28 | 2003-03-07 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2003197878A (ja) * | 2001-10-15 | 2003-07-11 | Hitachi Ltd | メモリ半導体装置およびその製造方法 |
JP2003209223A (ja) * | 2002-01-15 | 2003-07-25 | Oki Electric Ind Co Ltd | 半導体素子およびその製造方法 |
JP2004095861A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | 半導体装置及びその製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3276007B2 (ja) * | 1999-07-02 | 2002-04-22 | 日本電気株式会社 | 混載lsi半導体装置 |
US6611014B1 (en) * | 1999-05-14 | 2003-08-26 | Kabushiki Kaisha Toshiba | Semiconductor device having ferroelectric capacitor and hydrogen barrier film and manufacturing method thereof |
KR20020004539A (ko) * | 2000-07-06 | 2002-01-16 | 박종섭 | 수소확산을 방지할 수 있는 강유전체 메모리 소자 제조 방법 |
JP2002217198A (ja) | 2001-01-19 | 2002-08-02 | Hitachi Ltd | 半導体装置 |
US7358578B2 (en) * | 2001-05-22 | 2008-04-15 | Renesas Technology Corporation | Field effect transistor on a substrate with (111) orientation having zirconium oxide gate insulation and cobalt or nickel silicide wiring |
JP3756422B2 (ja) * | 2001-05-22 | 2006-03-15 | 株式会社ルネサステクノロジ | 半導体装置 |
-
2004
- 2004-04-30 JP JP2006512706A patent/JP5045101B2/ja not_active Expired - Fee Related
- 2004-04-30 WO PCT/JP2004/006289 patent/WO2005106957A1/ja active Application Filing
- 2004-04-30 CN CN200480042133.XA patent/CN1922731B/zh not_active Expired - Fee Related
-
2006
- 2006-10-11 US US11/545,534 patent/US7999301B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001358309A (ja) * | 1999-05-14 | 2001-12-26 | Toshiba Corp | 半導体装置 |
JP2002035442A (ja) * | 2000-07-27 | 2002-02-05 | Sony Corp | 模型及び遠隔操作系 |
JP2002190577A (ja) * | 2000-12-20 | 2002-07-05 | Toshiba Corp | 半導体記憶装置及びその製造方法 |
JP2003068993A (ja) * | 2001-08-28 | 2003-03-07 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2003197878A (ja) * | 2001-10-15 | 2003-07-11 | Hitachi Ltd | メモリ半導体装置およびその製造方法 |
JP2003209223A (ja) * | 2002-01-15 | 2003-07-25 | Oki Electric Ind Co Ltd | 半導体素子およびその製造方法 |
JP2004095861A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | 半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2005106957A1 (ja) | 2005-11-10 |
US20080217668A1 (en) | 2008-09-11 |
US7999301B2 (en) | 2011-08-16 |
JPWO2005106957A1 (ja) | 2008-03-21 |
CN1922731A (zh) | 2007-02-28 |
CN1922731B (zh) | 2010-12-08 |
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