JP4814371B2 - アクティブマトリクス基板 - Google Patents
アクティブマトリクス基板 Download PDFInfo
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- JP4814371B2 JP4814371B2 JP2009505119A JP2009505119A JP4814371B2 JP 4814371 B2 JP4814371 B2 JP 4814371B2 JP 2009505119 A JP2009505119 A JP 2009505119A JP 2009505119 A JP2009505119 A JP 2009505119A JP 4814371 B2 JP4814371 B2 JP 4814371B2
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- thin film
- film transistor
- gettering
- tft
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- 239000000758 substrate Substances 0.000 title claims description 70
- 239000011159 matrix material Substances 0.000 title claims description 68
- 238000005247 gettering Methods 0.000 claims description 109
- 239000004065 semiconductor Substances 0.000 claims description 66
- 239000010409 thin film Substances 0.000 claims description 56
- 239000010410 layer Substances 0.000 description 61
- 230000003197 catalytic effect Effects 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000010408 film Substances 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229940078494 nickel acetate Drugs 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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 potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
-
- 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 potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
- H01L27/1277—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor using a crystallisation promoting species, e.g. local introduction of Ni catalyst
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- H01L29/78645—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with multiple gate
-
- 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
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
Description
110 半導体層
112、114、115、116、118 ゲッタリング領域
120 TFT素子
130、140、150 TFT
132、142、152 ソース領域
132c ソースコンタクト部
134、144、154 チャネル領域
136、146、156 ドレイン領域
146c ドレインコンタクト部
160 ゲートバスライン
162、164、166 ゲート電極
170 ソースバスライン
172 ソース電極
180 画素電極
182 ドレイン電極
まず、本発明によるアクティブマトリクス基板の第1実施形態を説明する。図1に、本実施形態のアクティブマトリクス基板100の模式図を示す。図1(a)は、アクティブマトリクス基板100の模式的な平面図であり、図1(b)は、図1(a)のA−A’線に沿った模式的な断面図である。
上述した実施形態1のアクティブマトリクス基板のTFT素子は3つのTFTを有していたが、本発明はこれに限定されない。TFT素子のTFTは2つであってもよい。
以下、図5を参照して、本発明によるアクティブマトリクス基板の第3実施形態を説明する。図5に示すように、本実施形態のアクティブマトリクス基板100のゲッタリング領域116は、TFT130のチャネル領域134とTFT140のチャネル領域144との間に設けられており、これにより、チャネル領域134、144内の触媒元素を効率的にゲッタリングすることができる。
以下、図6を参照して、本発明によるアクティブマトリクス基板の第4実施形態を説明する。図6に示すように、本実施形態のアクティブマトリクス基板100は、ゲートバスライン160と平行に設けられた補助容量バスライン165を備えており、半導体層110の一部は補助容量バスライン165と重なるように設けられている。画素電極180と電気的に接続されたドレイン電極182が補助容量バスライン165の近傍に設けられているため、補助容量バスライン165のためのブラックマトリクスをドレイン電極182にも利用することができ、これにより、開口率の低下を抑制することができる。
Claims (5)
- 半導体層と、
第1薄膜トランジスタおよび第2薄膜トランジスタを含む薄膜トランジスタ素子であって、前記第1薄膜トランジスタおよび前記第2薄膜トランジスタは、それぞれ、前記半導体層に設けられたソース領域、チャネル領域およびドレイン領域を有する、薄膜トランジスタ素子と、
ゲートバスラインと、
ソースバスラインと、
画素電極と
を備えるアクティブマトリクス基板であって、
前記第1薄膜トランジスタおよび前記第2薄膜トランジスタは直列に配列されており、前記第1薄膜トランジスタは一方の端に位置し、前記第2薄膜トランジスタは他方の端に位置し、
前記第1薄膜トランジスタのソース領域はソースコンタクト部を有し、
前記第2薄膜トランジスタのドレイン領域はドレインコンタクト部を有し、
前記半導体層は、前記第1薄膜トランジスタのソース領域に隣接する第1ゲッタリング領域と、前記第2薄膜トランジスタのドレイン領域に隣接する第2ゲッタリング領域と、前記薄膜トランジスタ素子に含まれる薄膜トランジスタのソース領域およびドレイン領域のうち、前記第1薄膜トランジスタのチャネル領域と前記第2薄膜トランジスタのチャネル領域との間に位置するソース領域およびドレイン領域のいずれかに隣接する第3ゲッタリング領域とを有しており、
前記第3ゲッタリング領域の少なくとも一部は前記ソースバスラインと重なっている、アクティブマトリクス基板。 - 前記半導体層は、第1端部と、第2端部と、前記第1端部と前記第2端部との間に位置する中央部とを含み、
前記第1端部には、前記第1薄膜トランジスタの前記ソース領域の一部および前記第1ゲッタリング領域が設けられている、請求項1に記載のアクティブマトリクス基板。 - 前記第2端部には、前記第2薄膜トランジスタの前記ドレイン領域の一部が設けられており、
前記中央部には、前記第1薄膜トランジスタのソース領域の一部、チャネル領域およびドレイン領域、ならびに、前記第2薄膜トランジスタのドレイン領域の一部、チャネル領域およびソース領域が設けられており、
前記第2ゲッタリング領域は前記第2端部に設けられており、前記第3ゲッタリング領域は前記中央部に設けられている、請求項2に記載のアクティブマトリクス基板。 - 前記第2端部には、前記第2薄膜トランジスタの前記ドレイン領域の一部が設けられており、
前記中央部には、前記第1薄膜トランジスタのソース領域の一部、チャネル領域およびドレイン領域、ならびに、前記第2薄膜トランジスタのドレイン領域の一部、チャネル領域およびソース領域が設けられており、
前記第2ゲッタリング領域および前記第3ゲッタリング領域は前記中央部に設けられている、請求項2に記載のアクティブマトリクス基板。 - 前記中央部は、
第1方向に延びた第1線状部と、
前記第1方向とは異なる第2方向に延びた第2線状部と、
前記第1線状部および前記第2線状部との間の接続部分と
を有しており、
前記第3ゲッタリング領域は前記接続部分と隣接している、請求項2から4のいずれかに記載のアクティブマトリクス基板。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009505119A JP4814371B2 (ja) | 2007-03-16 | 2008-02-29 | アクティブマトリクス基板 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007069141 | 2007-03-16 | ||
JP2007069141 | 2007-03-16 | ||
PCT/JP2008/053690 WO2008114599A1 (ja) | 2007-03-16 | 2008-02-29 | アクティブマトリクス基板 |
JP2009505119A JP4814371B2 (ja) | 2007-03-16 | 2008-02-29 | アクティブマトリクス基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008114599A1 JPWO2008114599A1 (ja) | 2010-07-01 |
JP4814371B2 true JP4814371B2 (ja) | 2011-11-16 |
Family
ID=39765709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009505119A Expired - Fee Related JP4814371B2 (ja) | 2007-03-16 | 2008-02-29 | アクティブマトリクス基板 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8212251B2 (ja) |
EP (1) | EP2128898A1 (ja) |
JP (1) | JP4814371B2 (ja) |
CN (1) | CN101636827B (ja) |
WO (1) | WO2008114599A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101636828B (zh) * | 2007-03-16 | 2011-09-21 | 夏普株式会社 | 有源矩阵基板 |
JP5623107B2 (ja) * | 2009-04-22 | 2014-11-12 | キヤノン株式会社 | 半導体装置 |
JP6518466B2 (ja) * | 2015-03-11 | 2019-05-22 | 株式会社ジャパンディスプレイ | 薄膜トランジスタ |
WO2018043424A1 (ja) * | 2016-09-01 | 2018-03-08 | シャープ株式会社 | アクティブマトリクス基板および表示装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003303831A (ja) * | 2002-04-08 | 2003-10-24 | Sharp Corp | 半導体装置およびその製造方法 |
JP2006128469A (ja) * | 2004-10-29 | 2006-05-18 | Sharp Corp | 半導体装置およびその製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100265179B1 (ko) * | 1995-03-27 | 2000-09-15 | 야마자끼 순페이 | 반도체장치와 그의 제작방법 |
TWI301907B (en) * | 2000-04-03 | 2008-10-11 | Semiconductor Energy Lab | Semiconductor device, liquid crystal display device and manfacturing method thereof |
JP4115158B2 (ja) * | 2002-04-24 | 2008-07-09 | シャープ株式会社 | 半導体装置およびその製造方法 |
JP4115283B2 (ja) * | 2003-01-07 | 2008-07-09 | シャープ株式会社 | 半導体装置およびその製造方法 |
JP2007069141A (ja) | 2005-09-08 | 2007-03-22 | Pioneer Electronic Corp | ペースト塗布装置及びペースト塗布方法 |
KR101002666B1 (ko) * | 2008-07-14 | 2010-12-21 | 삼성모바일디스플레이주식회사 | 박막트랜지스터, 그의 제조방법, 및 이를 포함하는유기전계발광표시장치 |
-
2008
- 2008-02-29 WO PCT/JP2008/053690 patent/WO2008114599A1/ja active Application Filing
- 2008-02-29 US US12/531,406 patent/US8212251B2/en not_active Expired - Fee Related
- 2008-02-29 EP EP08721110A patent/EP2128898A1/en not_active Withdrawn
- 2008-02-29 JP JP2009505119A patent/JP4814371B2/ja not_active Expired - Fee Related
- 2008-02-29 CN CN2008800085549A patent/CN101636827B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003303831A (ja) * | 2002-04-08 | 2003-10-24 | Sharp Corp | 半導体装置およびその製造方法 |
JP2006128469A (ja) * | 2004-10-29 | 2006-05-18 | Sharp Corp | 半導体装置およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2128898A1 (en) | 2009-12-02 |
US8212251B2 (en) | 2012-07-03 |
US20100044710A1 (en) | 2010-02-25 |
JPWO2008114599A1 (ja) | 2010-07-01 |
CN101636827B (zh) | 2011-06-15 |
CN101636827A (zh) | 2010-01-27 |
WO2008114599A1 (ja) | 2008-09-25 |
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