JP5498892B2 - 薄膜トランジスタ、及びこれを備えた表示装置、並びにそれらの製造方法 - Google Patents
薄膜トランジスタ、及びこれを備えた表示装置、並びにそれらの製造方法 Download PDFInfo
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- JP5498892B2 JP5498892B2 JP2010179590A JP2010179590A JP5498892B2 JP 5498892 B2 JP5498892 B2 JP 5498892B2 JP 2010179590 A JP2010179590 A JP 2010179590A JP 2010179590 A JP2010179590 A JP 2010179590A JP 5498892 B2 JP5498892 B2 JP 5498892B2
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- 239000010409 thin film Substances 0.000 title claims description 69
- 238000004519 manufacturing process Methods 0.000 title description 28
- 239000010408 film Substances 0.000 claims description 155
- 239000003990 capacitor Substances 0.000 claims description 95
- 238000005530 etching Methods 0.000 claims description 81
- 230000002265 prevention Effects 0.000 claims description 50
- 239000000758 substrate Substances 0.000 claims description 33
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 13
- 239000012535 impurity Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 description 36
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 13
- 238000001259 photo etching Methods 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000005468 ion implantation Methods 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 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
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000000059 patterning Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 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
- 230000004888 barrier function Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41733—Source or drain electrodes for field effect devices for thin film transistors with insulated gate
-
- 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
-
- 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
- H01L27/1255—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 integrated with passive devices, e.g. auxiliary capacitors
-
- 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
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the 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
- H01L29/78606—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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
70 有機発光素子
80 キャパシタ
101、102 表示装置
111 基板
120 バッファ層
131、231 アクティブ層
138、238 第1キャパシタ電極
140 ゲート絶縁膜パターン
151 ゲート電極
160 エッチング防止膜パターン
173、273 ソースオーミックコンタクト層
175、275 ドレインオーミックコンタクト層
183、283 ソース電極
185、285 ドレイン電極
278 ダミーオーミックコンタクト層
288 ダミー電極
910、920 駆動回路
CL キャパシタライン
DA 表示領域
DL データライン
GL ゲートライン
NA 非表示領域
PE 画素領域
VDD 共通電源ライン
Claims (9)
- 基板上に形成されたアクティブ層と、
前記アクティブ層の一部領域の上に形成されたゲート絶縁膜パターンと、
前記ゲート絶縁膜パターンの一部領域の上に形成されたゲート電極と、
前記ゲート絶縁膜パターン及び前記ゲート電極を覆うエッチング防止膜パターンと、
前記アクティブ層及び前記エッチング防止膜パターンの上に形成されたソース部材及びドレイン部材と、
を含み、
前記ゲート絶縁膜パターンと前記エッチング防止膜パターンは、互いに同一のパターンにパターニングされ、
前記エッチング防止膜パターンは、前記ソース部材及び前記ドレイン部材と異なるエッチング選択比を有し、
前記ソース部材及び前記ドレイン部材は、前記ゲート電極上に位置する所定の空間を介して互いに離隔する薄膜トランジスタを含み、
前記アクティブ層と同一層に形成された第1キャパシタ電極、前記第1キャパシタ電極の上に形成されたゲート絶縁膜パターン、及び前記ゲート絶縁膜パターンの上に前記ゲート電極と同一素材で形成された第2キャパシタ電極を含むキャパシタをさらに含み、
前記キャパシタは、前記エッチング防止膜パターンを介して前記第2キャパシタ電極上に形成されたダミーオーミックコンタクト層、及び前記ダミーオーミックコンタクト層上に形成されたダミー電極をさらに含み、
前記第1キャパシタ電極、前記ゲート絶縁膜パターン、前記エッチング防止膜パターン、前記ダミーオーミックコンタクト層、及び前記ダミー電極は、互いに同一のパターンに形成される表示装置。 - 前記ゲート絶縁膜パターンと前記エッチング防止膜パターンは、互いに同一のパターンにパターニングされる、請求項1に記載の表示装置。
- 前記ソース部材及び前記ドレイン部材は、前記ゲート電極上に位置する所定の空間を介して互いに離隔する、請求項1に記載の表示装置。
- 前記ソース部材と前記ドレイン部材が互いに離隔したことを除けば、前記アクティブ層は前記ソース部材及び前記ドレイン部材と同一のパターンに形成される、請求項3に記載の表示装置。
- 前記エッチング防止膜パターンは、前記ソース部材及び前記ドレイン部材と異なるエッチング選択比を有する、請求項1に記載の表示装置。
- 前記ソース部材は、ソース電極、及び前記ソース電極と前記アクティブ層との間に配置されたソースオーミックコンタクト層を含み、
前記ドレイン部材は、ドレイン電極、及び前記ドレイン電極と前記アクティブ層との間に配置されたドレインオーミックコンタクト層を含む、請求項5に記載の表示装置。 - 前記ソースオーミックコンタクト層及び前記ドレインオーミックコンタクト層は、n型またはp型不純物がドーピングされた水素化非晶質シリコン膜で形成される、請求項6に記載の表示装置。
- 前記基板上に形成された有機発光素子をさらに含む、請求項1に記載の表示装置。
- 前記基板上に形成された液晶層をさらに含む、請求項1に記載の表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0023901 | 2010-03-17 | ||
KR1020100023901A KR101084261B1 (ko) | 2010-03-17 | 2010-03-17 | 박막 트랜지스터, 이를 구비한 표시 장치, 및 그 제조 방법들 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011199245A JP2011199245A (ja) | 2011-10-06 |
JP5498892B2 true JP5498892B2 (ja) | 2014-05-21 |
Family
ID=44646530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010179590A Expired - Fee Related JP5498892B2 (ja) | 2010-03-17 | 2010-08-10 | 薄膜トランジスタ、及びこれを備えた表示装置、並びにそれらの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8653528B2 (ja) |
JP (1) | JP5498892B2 (ja) |
KR (1) | KR101084261B1 (ja) |
TW (1) | TWI459566B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6019329B2 (ja) * | 2011-03-31 | 2016-11-02 | 株式会社Joled | 表示装置および電子機器 |
JP2014085552A (ja) * | 2012-10-24 | 2014-05-12 | Japan Display Inc | 表示装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0442579A (ja) * | 1990-06-08 | 1992-02-13 | Seiko Epson Corp | 薄膜トランジスタ及び製造方法 |
GB9114018D0 (en) * | 1991-06-28 | 1991-08-14 | Philips Electronic Associated | Thin-film transistor manufacture |
US7081938B1 (en) * | 1993-12-03 | 2006-07-25 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device and method for manufacturing the same |
JP3603968B2 (ja) * | 1994-03-24 | 2004-12-22 | シャープ株式会社 | 薄膜トランジスタおよびその製造方法 |
JP3961044B2 (ja) | 1996-05-14 | 2007-08-15 | シャープ株式会社 | 電子回路装置 |
JPH11126904A (ja) | 1997-10-22 | 1999-05-11 | Toshiba Corp | 薄膜トランジスタ装置及び薄膜トランジスタ装置の製造方法 |
KR100386003B1 (ko) | 1998-12-15 | 2003-10-17 | 엘지.필립스 엘시디 주식회사 | 반사형 액정 표시장치 및 그 제조방법_ |
JP3617800B2 (ja) * | 1999-12-28 | 2005-02-09 | 松下電器産業株式会社 | Tftアレイ基板とその製造方法それを用いた液晶表示装置 |
JP3647384B2 (ja) * | 2000-04-04 | 2005-05-11 | 松下電器産業株式会社 | 薄膜半導体素子およびその製造方法並びに表示パネル |
KR100390522B1 (ko) | 2000-12-01 | 2003-07-07 | 피티플러스(주) | 결정질 실리콘 활성층을 포함하는 박막트랜지스터 제조 방법 |
JP3600229B2 (ja) | 2001-10-31 | 2004-12-15 | 株式会社半導体エネルギー研究所 | 電界効果型トランジスタの製造方法 |
KR20060104146A (ko) | 2005-03-29 | 2006-10-09 | 엘지.필립스 엘시디 주식회사 | 폴리실리콘 박막트랜지스터 어레이 기판의 제조방법 |
KR20080113967A (ko) | 2007-06-26 | 2008-12-31 | 삼성전자주식회사 | 유기전계발광 표시장치 및 이의 제조방법 |
JP5503895B2 (ja) * | 2008-04-25 | 2014-05-28 | 株式会社半導体エネルギー研究所 | 半導体装置 |
KR100964227B1 (ko) * | 2008-05-06 | 2010-06-17 | 삼성모바일디스플레이주식회사 | 평판 표시 장치용 박막 트랜지스터 어레이 기판, 이를포함하는 유기 발광 표시 장치, 및 이들의 제조 방법 |
-
2010
- 2010-03-17 KR KR1020100023901A patent/KR101084261B1/ko active IP Right Grant
- 2010-08-10 JP JP2010179590A patent/JP5498892B2/ja not_active Expired - Fee Related
-
2011
- 2011-02-28 US US13/036,241 patent/US8653528B2/en not_active Expired - Fee Related
- 2011-03-15 TW TW100108755A patent/TWI459566B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20110104795A (ko) | 2011-09-23 |
TWI459566B (zh) | 2014-11-01 |
TW201138121A (en) | 2011-11-01 |
JP2011199245A (ja) | 2011-10-06 |
KR101084261B1 (ko) | 2011-11-16 |
US8653528B2 (en) | 2014-02-18 |
US20110227079A1 (en) | 2011-09-22 |
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