JP4664777B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP4664777B2 JP4664777B2 JP2005259494A JP2005259494A JP4664777B2 JP 4664777 B2 JP4664777 B2 JP 4664777B2 JP 2005259494 A JP2005259494 A JP 2005259494A JP 2005259494 A JP2005259494 A JP 2005259494A JP 4664777 B2 JP4664777 B2 JP 4664777B2
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- 239000004065 semiconductor Substances 0.000 title claims description 60
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 27
- 229910052710 silicon Inorganic materials 0.000 claims description 27
- 239000010703 silicon Substances 0.000 claims description 27
- 239000010408 film Substances 0.000 description 144
- 238000000034 method Methods 0.000 description 59
- 238000004519 manufacturing process Methods 0.000 description 37
- 239000000758 substrate Substances 0.000 description 27
- 238000005530 etching Methods 0.000 description 16
- 238000001020 plasma etching Methods 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 9
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 8
- 238000002955 isolation Methods 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 238000005468 ion implantation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 210000000746 body region Anatomy 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 239000005368 silicate glass Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 230000007334 memory performance Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- -1 phosphorus ions Chemical class 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66613—Lateral single gate silicon transistors with a gate recessing step, e.g. using local oxidation
- H01L29/66621—Lateral single gate silicon transistors with a gate recessing step, e.g. using local oxidation using etching to form a recess at the gate location
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66659—Lateral single gate silicon transistors with asymmetry in the channel direction, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/66772—Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7841—Field effect transistors with field effect produced by an insulated gate with floating body, e.g. programmable transistors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/20—DRAM devices comprising floating-body transistors, e.g. floating-body cells
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Semiconductor Memories (AREA)
Description
このチャネル領域の上にゲート絶縁膜を介して形成されたゲート電極と、
前記チャネル領域の外側に位置し、前記チャネル領域よりも膜厚の厚いシリコン層に形成されたソース・ドレイン領域とを備え、
前記ソース・ドレイン領域のうち、ドレイン領域は前記チャネル領域と前記ゲート電極下部に達するように形成され、前記ソース領域の先端部は前記ゲート電極の側面における前記シリコン層表面部に位置し、
前記トランジスタは前記チャネル領域をフローティングボディセルとして構成するメモリ素子であることを特徴とする半導体装置が提供される。
このチャネル領域の上にゲート絶縁膜を介して形成されたゲート電極と、
前記チャネル領域の外側に位置し、前記チャネル領域と同じシリコン層厚さを有するドレイン領域および前記チャネル領域並びにこれらよりも膜厚の厚いソース領域とを備え、
前記ソース・ドレイン領域のうち、ドレイン領域は前記チャネル領域と前記ゲート電極下部に達するように形成され、前記ソース領域の先端部は前記ゲート電極の側面における前記シリコン層表面部に位置し、
前記トランジスタは前記チャネル領域をフローティングボディセルとして構成するメモリ素子であることを特徴とする半導体装置が提供される。
本発明の第1の実施の形態にかかる半導体装置を製造する第1の製造工程の一例を図1Aから図1Lを参照して説明する。
102、202、302、402 埋め込み酸化膜
103、203、303、403 シリコン膜
109、209、309、409 STI
116、216、316、416 ゲート電極
S ソース領域
D ドレイン領域
Claims (4)
- 絶縁膜上に形成されたシリコン層の所定領域に形成されたトランジスタのチャネル領域と、
このチャネル領域の上にゲート絶縁膜を介して形成されたゲート電極と、
前記チャネル領域の外側に位置し、前記チャネル領域よりも膜厚の厚いシリコン層に形成されたソース・ドレイン領域とを備え、
前記ソース・ドレイン領域のうち、ドレイン領域は前記チャネル領域と前記ゲート電極下部に達するように形成され、前記ソース領域の先端部は前記ゲート電極の側面における前記シリコン層表面部に位置し、
前記トランジスタは前記チャネル領域をフローティングボディセルとして構成するメモリ素子であることを特徴とする半導体装置。 - 前記チャネル領域における前記シリコン層の膜厚が400オングストローム以下であることを特徴とする請求項1に記載の半導体装置。
- 絶縁膜上に形成されたシリコン層の所定領域に形成されたトランジスタのチャネル領域と、
このチャネル領域の上にゲート絶縁膜を介して形成されたゲート電極と、
前記チャネル領域の外側に位置し、前記チャネル領域と同じシリコン層厚さを有するドレイン領域および前記チャネル領域並びにこれらよりも膜厚の厚いソース領域とを備え、
前記ソース・ドレイン領域のうち、ドレイン領域は前記チャネル領域と前記ゲート電極下部に達するように形成され、前記ソース領域の先端部は前記ゲート電極の側面における前記シリコン層表面部に位置し、
前記トランジスタは前記チャネル領域をフローティングボディセルとして構成するメモリ素子であることを特徴とする半導体装置。 - 前記チャネル領域および前記ドレイン領域における前記シリコン層の膜厚が400オングストローム以下であることを特徴とする請求項3に記載の半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005259494A JP4664777B2 (ja) | 2005-09-07 | 2005-09-07 | 半導体装置 |
US11/470,859 US7915680B2 (en) | 2005-09-07 | 2006-09-07 | Semiconductor device and manufacturing method of the same |
US13/038,999 US20110147841A1 (en) | 2005-09-07 | 2011-03-02 | Semiconductor device and manufacturing method of the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005259494A JP4664777B2 (ja) | 2005-09-07 | 2005-09-07 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007073754A JP2007073754A (ja) | 2007-03-22 |
JP4664777B2 true JP4664777B2 (ja) | 2011-04-06 |
Family
ID=37854227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005259494A Expired - Fee Related JP4664777B2 (ja) | 2005-09-07 | 2005-09-07 | 半導体装置 |
Country Status (2)
Country | Link |
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US (2) | US7915680B2 (ja) |
JP (1) | JP4664777B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008016439A1 (de) * | 2008-03-31 | 2009-10-01 | Advanced Micro Devices, Inc., Sunnyvale | SOI-Transistor mit potentialfreiem Körper für die Informationsspeicherung mit asymmetrischen Drain/Source-Gebieten |
KR20100040455A (ko) * | 2008-10-10 | 2010-04-20 | 주식회사 동부하이텍 | 반도체 소자의 제조 방법 |
JP5424299B2 (ja) * | 2008-12-16 | 2014-02-26 | 国立大学法人東北大学 | イオン注入装置、イオン注入方法、及び半導体装置 |
FR2995134B1 (fr) | 2012-09-05 | 2015-12-18 | Commissariat Energie Atomique | Procede de gravure d'un materiau semiconducteur cristallin par implantation ionique puis gravure chimique a base de chlorure d'hydrogene |
FR2995135B1 (fr) | 2012-09-05 | 2015-12-04 | Commissariat Energie Atomique | Procede de realisation de transistors fet |
CN104779171A (zh) * | 2015-05-05 | 2015-07-15 | 京东方科技集团股份有限公司 | 低温多晶硅薄膜晶体管及制作方法、阵列基板、显示装置 |
CN105428243B (zh) * | 2016-01-11 | 2017-10-24 | 京东方科技集团股份有限公司 | 一种薄膜晶体管及制作方法、阵列基板和显示装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02216869A (ja) * | 1989-02-17 | 1990-08-29 | Hitachi Ltd | 半導体装置 |
JPH0786601A (ja) * | 1993-09-10 | 1995-03-31 | Hitachi Ltd | 多結晶シリコンmosトランジスタ及びその製造方法 |
JP2003031693A (ja) * | 2001-07-19 | 2003-01-31 | Toshiba Corp | 半導体メモリ装置 |
JP2003086712A (ja) * | 2001-02-19 | 2003-03-20 | Toshiba Corp | 半導体メモリ装置及びその製造方法 |
JP2005158952A (ja) * | 2003-11-25 | 2005-06-16 | Toshiba Corp | 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 |
---|---|---|---|---|
US5982004A (en) * | 1997-06-20 | 1999-11-09 | Hong Kong University Of Science & Technology | Polysilicon devices and a method for fabrication thereof |
JP4202563B2 (ja) * | 1999-11-18 | 2008-12-24 | 株式会社東芝 | 半導体装置 |
US6166420A (en) | 2000-03-16 | 2000-12-26 | International Business Machines Corporation | Method and structure of high and low K buried oxide for SoI technology |
US6621725B2 (en) * | 2000-08-17 | 2003-09-16 | Kabushiki Kaisha Toshiba | Semiconductor memory device with floating storage bulk region and method of manufacturing the same |
JP4661063B2 (ja) | 2004-03-11 | 2011-03-30 | パナソニック株式会社 | 燃料電池コージェネレーションシステム |
US6864540B1 (en) * | 2004-05-21 | 2005-03-08 | International Business Machines Corp. | High performance FET with elevated source/drain region |
-
2005
- 2005-09-07 JP JP2005259494A patent/JP4664777B2/ja not_active Expired - Fee Related
-
2006
- 2006-09-07 US US11/470,859 patent/US7915680B2/en not_active Expired - Fee Related
-
2011
- 2011-03-02 US US13/038,999 patent/US20110147841A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02216869A (ja) * | 1989-02-17 | 1990-08-29 | Hitachi Ltd | 半導体装置 |
JPH0786601A (ja) * | 1993-09-10 | 1995-03-31 | Hitachi Ltd | 多結晶シリコンmosトランジスタ及びその製造方法 |
JP2003086712A (ja) * | 2001-02-19 | 2003-03-20 | Toshiba Corp | 半導体メモリ装置及びその製造方法 |
JP2003031693A (ja) * | 2001-07-19 | 2003-01-31 | Toshiba Corp | 半導体メモリ装置 |
JP2005158952A (ja) * | 2003-11-25 | 2005-06-16 | Toshiba Corp | 半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2007073754A (ja) | 2007-03-22 |
US20070057326A1 (en) | 2007-03-15 |
US7915680B2 (en) | 2011-03-29 |
US20110147841A1 (en) | 2011-06-23 |
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