JP2010512017A - 電流拡散層を含む発光ダイオードの製造方法 - Google Patents
電流拡散層を含む発光ダイオードの製造方法 Download PDFInfo
- Publication number
- JP2010512017A JP2010512017A JP2009540135A JP2009540135A JP2010512017A JP 2010512017 A JP2010512017 A JP 2010512017A JP 2009540135 A JP2009540135 A JP 2009540135A JP 2009540135 A JP2009540135 A JP 2009540135A JP 2010512017 A JP2010512017 A JP 2010512017A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- type
- forming
- gan
- emitting diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 230000007480 spreading Effects 0.000 title claims abstract description 21
- 238000003892 spreading Methods 0.000 title claims abstract description 21
- 238000009792 diffusion process Methods 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 229910002704 AlGaN Inorganic materials 0.000 claims description 26
- 230000004888 barrier function Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 238000005530 etching Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 239000004047 hole gas Substances 0.000 claims description 6
- 230000005533 two-dimensional electron gas Effects 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 abstract description 11
- 239000004065 semiconductor Substances 0.000 abstract description 9
- 238000001312 dry etching Methods 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 7
- 238000005253 cladding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/14—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0016—Processes relating to electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (8)
- (a)基板上に緩衝層を形成するステップと、
(b)異種接合構造を利用したn型電流拡散層を含む多層構造を有するn−型電極層を前記緩衝層上に形成するステップと、
(c)前記n−型電極層上に活性層を形成するステップと、
(d)前記活性層上に異種接合構造を利用したp型電流拡散層を含む多層構造を有するp−型電極層を形成するステップと
を含む発光ダイオードの製造方法。 - (e)前記p−型電極層を形成した後、前記n−型電極層の前記n型電流拡散層を露出するように前記p−型電極層をエッチングするステップと、
(f)前記p型電流拡散層及びエッチングによって露出された前記n型電流拡散層の各々にn−型トレンチ及びp−型トレンチを形成するステップと、
(g)前記各々のトレンチに金属電極層を挿入し、n−型金属電極層及びp−型金属電極層を形成するステップと、
(h)前記p−型金属電極層上に透明電極層を形成するステップと
をさらに含むことを特徴とする請求項1に記載の発光ダイオードの製造方法。 - 前記(b)ステップは、
(b1)電子を供給するn−GaN層を形成するステップと、
(b2)前記n−GaN層上にAlGaN/GaN異種接合構造を有する前記n−型電流拡散層を形成するステップと、
(b3)前記n−型電流拡散層上にn+−GaN層を形成するステップと
を含むことを特徴とする請求項2に記載の発光ダイオードの製造方法。 - 前記(d)ステップは、
(d1)正孔を供給するp−GaN層を形成するステップと、
(d2)前記p−GaN層上にp−AlGaN/GaN異種接合構造を有する前記p−型電流拡散層を形成するステップと、
(d3)前記n−型電流拡散層上にp型障壁層を形成するステップと
を含むことを特徴とする請求項2に記載の発光ダイオードの製造方法。 - 前記n−型トレンチ及びp−型トレンチの厚さは、前記異種接合構造の1〜3周期の範囲であることを特徴とする請求項3に記載の発光ダイオードの製造方法。
- 前記p型障壁層は、30〜100Åの厚さを有するp+−AlGaN層であることを特徴とする請求項4に記載の発光ダイオードの製造方法。
- AlGaN/GaN異種接合構造は、ドーピングしていないAlGaN層と、シリコンでドーピングされたGaN層とを含み、前記n型電流拡散層を二次元電子ガス層として利用することを特徴とする請求項1に記載の発光ダイオードの製造方法。
- p−AlGaN/GaN異種接合構造は、1017/cm-3以下のMgでドーピングされたp−AlGaN層と、1017/cm-3以下のMgでドーピングされたGaN層とを含み、前記p型電流拡散層を二次元正孔ガス層として利用することを特徴とする請求項1に記載の発光ダイオードの製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060123959A KR100869962B1 (ko) | 2006-12-07 | 2006-12-07 | 전류 확산층을 포함하는 발광소자의 제조방법 |
KR10-2006-0123959 | 2006-12-07 | ||
PCT/KR2007/005995 WO2008069482A1 (en) | 2006-12-07 | 2007-11-26 | Manufacturing method of light emitting diode including current spreading layer |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010512017A true JP2010512017A (ja) | 2010-04-15 |
JP5048076B2 JP5048076B2 (ja) | 2012-10-17 |
Family
ID=39492308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009540135A Expired - Fee Related JP5048076B2 (ja) | 2006-12-07 | 2007-11-26 | 電流拡散層を含む発光ダイオードの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7998771B2 (ja) |
JP (1) | JP5048076B2 (ja) |
KR (1) | KR100869962B1 (ja) |
WO (1) | WO2008069482A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013091048A (ja) * | 2011-10-27 | 2013-05-16 | Showa Shell Sekiyu Kk | エネルギー変換デバイス |
US8816354B2 (en) | 2012-06-21 | 2014-08-26 | Toyoda Gosei Co., Ltd. | Group III nitride semiconductor light-emitting device and production method therefor |
JP2018064061A (ja) * | 2016-10-14 | 2018-04-19 | 株式会社リコー | 半導体発光素子、照明装置、ヘッドライト、移動体、イルミネーション装置、映像装置、投射型映像装置及びプロジェクター。 |
JP7469150B2 (ja) | 2020-06-18 | 2024-04-16 | 豊田合成株式会社 | 発光素子 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100903103B1 (ko) * | 2007-12-05 | 2009-06-16 | 우리엘에스티 주식회사 | 화합물 반도체를 이용한 발광소자 |
TW200929601A (en) * | 2007-12-26 | 2009-07-01 | Epistar Corp | Semiconductor device |
DE102009023849B4 (de) | 2009-06-04 | 2022-10-20 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterkörper und optoelektronischer Halbleiterchip |
US8338860B2 (en) * | 2009-10-30 | 2012-12-25 | Alpha And Omega Semiconductor Incorporated | Normally off gallium nitride field effect transistors (FET) |
US8587022B2 (en) | 2010-01-06 | 2013-11-19 | Panasonic Corporation | Nitride semiconductor light-emitting element and process for production thereof |
KR101051326B1 (ko) * | 2010-04-23 | 2011-07-22 | 주식회사 세미콘라이트 | 화합물 반도체 발광소자 |
US9263538B2 (en) * | 2010-11-15 | 2016-02-16 | Sensor Electronic Technology, Inc. | Ohmic contact to semiconductor |
KR101622309B1 (ko) | 2010-12-16 | 2016-05-18 | 삼성전자주식회사 | 나노구조의 발광소자 |
US8785904B2 (en) * | 2011-04-20 | 2014-07-22 | Invenlux Corporation | Light-emitting device with low forward voltage and method for fabricating the same |
US9012939B2 (en) * | 2011-08-02 | 2015-04-21 | Kabushiki Kaisha Toshiba | N-type gallium-nitride layer having multiple conductive intervening layers |
KR101961798B1 (ko) * | 2011-12-27 | 2019-03-25 | 엘지이노텍 주식회사 | 발광 소자 |
SG11201408080UA (en) | 2012-06-20 | 2015-01-29 | Univ Nanyang Tech | A light-emitting device |
TWI565097B (zh) | 2013-02-08 | 2017-01-01 | 隆達電子股份有限公司 | 發光二極體及其製造方法 |
KR102153090B1 (ko) * | 2013-06-25 | 2020-09-07 | 엘지이노텍 주식회사 | 발광 소자 |
KR102050056B1 (ko) * | 2013-09-09 | 2019-11-28 | 엘지이노텍 주식회사 | 발광 소자 |
US9450147B2 (en) * | 2013-12-27 | 2016-09-20 | Apple Inc. | LED with internally confined current injection area |
KR102447089B1 (ko) * | 2015-12-16 | 2022-09-26 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 자외선 발광소자 및 발광소자 패키지 |
CN105449060A (zh) * | 2015-12-25 | 2016-03-30 | 扬州中科半导体照明有限公司 | 一种半导体发光二极管芯片 |
KR101717623B1 (ko) * | 2016-03-17 | 2017-03-17 | 연세대학교 산학협력단 | 초박막 다성분계 이종접합 소재를 이용한 초고속 led 소자 |
JP7216270B2 (ja) * | 2018-09-28 | 2023-02-01 | 日亜化学工業株式会社 | 半導体発光素子 |
US20240128419A1 (en) | 2022-09-29 | 2024-04-18 | Bolb Inc. | Current spreading structure for light-emitting diode |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6354785A (ja) * | 1986-08-25 | 1988-03-09 | Agency Of Ind Science & Technol | ヘテロ接合磁気センサ |
JPH11135834A (ja) * | 1997-10-27 | 1999-05-21 | Matsushita Electric Ind Co Ltd | 発光ダイオード装置及びその製造方法 |
JP2000068594A (ja) * | 1997-09-01 | 2000-03-03 | Nichia Chem Ind Ltd | 窒化物半導体素子 |
WO2005071763A2 (de) * | 2004-01-26 | 2005-08-04 | Osram Opto Semiconductors Gmbh | Dünnfilm-led mit einer stromaufweitungsstruktur |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0720242A3 (en) * | 1994-12-27 | 1997-07-30 | Shinetsu Handotai Kk | AlGaInP semiconductor light emitting device |
GB2312783B (en) * | 1996-05-01 | 2000-12-13 | Epitaxial Products Internat Lt | Opto-electronic device with transparent high lateral conductivity current spreading layer |
JP2000068554A (ja) | 1998-08-21 | 2000-03-03 | Sharp Corp | 半導体発光素子 |
US6614056B1 (en) * | 1999-12-01 | 2003-09-02 | Cree Lighting Company | Scalable led with improved current spreading structures |
WO2001041225A2 (en) * | 1999-12-03 | 2001-06-07 | Cree Lighting Company | Enhanced light extraction in leds through the use of internal and external optical elements |
JP2002016312A (ja) | 2000-06-27 | 2002-01-18 | Sanyo Electric Co Ltd | 窒化物系半導体素子およびその製造方法 |
JP2004281559A (ja) * | 2003-03-13 | 2004-10-07 | Toshiba Corp | 半導体発光素子 |
US7521854B2 (en) * | 2003-04-15 | 2009-04-21 | Luminus Devices, Inc. | Patterned light emitting devices and extraction efficiencies related to the same |
JP4120493B2 (ja) | 2003-06-25 | 2008-07-16 | 松下電工株式会社 | 発光ダイオードおよび発光装置 |
JP2007504639A (ja) * | 2003-08-29 | 2007-03-01 | オスラム オプト セミコンダクターズ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 放射放出半導体素子 |
KR100744941B1 (ko) | 2003-12-30 | 2007-08-01 | 삼성전기주식회사 | 전극 구조체, 이를 구비하는 반도체 발광소자 및 그제조방법 |
JP2005276899A (ja) | 2004-03-23 | 2005-10-06 | Shin Etsu Handotai Co Ltd | 発光素子 |
KR20060053469A (ko) | 2004-11-16 | 2006-05-22 | 엘지이노텍 주식회사 | 반도체 발광소자 |
KR100631971B1 (ko) | 2005-02-28 | 2006-10-11 | 삼성전기주식회사 | 질화물 반도체 발광 소자 |
KR101171326B1 (ko) | 2005-03-29 | 2012-08-09 | 서울옵토디바이스주식회사 | 발광 소자 및 이의 제조 방법 |
KR100610639B1 (ko) | 2005-07-22 | 2006-08-09 | 삼성전기주식회사 | 수직 구조 질화갈륨계 발광다이오드 소자 및 그 제조방법 |
-
2006
- 2006-12-07 KR KR1020060123959A patent/KR100869962B1/ko active IP Right Grant
-
2007
- 2007-11-26 WO PCT/KR2007/005995 patent/WO2008069482A1/en active Application Filing
- 2007-11-26 JP JP2009540135A patent/JP5048076B2/ja not_active Expired - Fee Related
- 2007-11-26 US US12/446,635 patent/US7998771B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6354785A (ja) * | 1986-08-25 | 1988-03-09 | Agency Of Ind Science & Technol | ヘテロ接合磁気センサ |
JP2000068594A (ja) * | 1997-09-01 | 2000-03-03 | Nichia Chem Ind Ltd | 窒化物半導体素子 |
JPH11135834A (ja) * | 1997-10-27 | 1999-05-21 | Matsushita Electric Ind Co Ltd | 発光ダイオード装置及びその製造方法 |
WO2005071763A2 (de) * | 2004-01-26 | 2005-08-04 | Osram Opto Semiconductors Gmbh | Dünnfilm-led mit einer stromaufweitungsstruktur |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013091048A (ja) * | 2011-10-27 | 2013-05-16 | Showa Shell Sekiyu Kk | エネルギー変換デバイス |
US8816354B2 (en) | 2012-06-21 | 2014-08-26 | Toyoda Gosei Co., Ltd. | Group III nitride semiconductor light-emitting device and production method therefor |
JP2018064061A (ja) * | 2016-10-14 | 2018-04-19 | 株式会社リコー | 半導体発光素子、照明装置、ヘッドライト、移動体、イルミネーション装置、映像装置、投射型映像装置及びプロジェクター。 |
JP7005890B2 (ja) | 2016-10-14 | 2022-01-24 | 株式会社リコー | 半導体発光素子、照明装置、ヘッドライト、移動体、イルミネーション装置、映像装置、投射型映像装置及びプロジェクター。 |
JP7469150B2 (ja) | 2020-06-18 | 2024-04-16 | 豊田合成株式会社 | 発光素子 |
Also Published As
Publication number | Publication date |
---|---|
US20100240162A1 (en) | 2010-09-23 |
US7998771B2 (en) | 2011-08-16 |
WO2008069482A1 (en) | 2008-06-12 |
KR20080052016A (ko) | 2008-06-11 |
KR100869962B1 (ko) | 2008-11-24 |
JP5048076B2 (ja) | 2012-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5048076B2 (ja) | 電流拡散層を含む発光ダイオードの製造方法 | |
JP5059705B2 (ja) | 発光デバイス | |
KR101459752B1 (ko) | 반도체 발광소자 및 그 제조방법 | |
JP4954536B2 (ja) | 窒化物半導体発光素子 | |
US9257599B2 (en) | Semiconductor light emitting device including hole injection layer | |
KR100784065B1 (ko) | 질화물 반도체 발광소자 및 그 제조방법 | |
US20090283789A1 (en) | Semiconductor Light Emitting Device | |
JP4503570B2 (ja) | 窒化物半導体素子 | |
JP2007266577A (ja) | 窒化物半導体装置及びその製造方法 | |
KR102619686B1 (ko) | 패시베이션 층을 포함하는 발광 다이오드 전구체 | |
KR101393884B1 (ko) | 질화물 반도체 발광소자 및 그 제조방법 | |
CN115485862A (zh) | 紫外led及其制作方法 | |
KR101368687B1 (ko) | 초격자 구조를 이용한 질화물계 반도체 발광 소자의 제조 방법 | |
KR20140102422A (ko) | 질화물계 반도체 발광소자 | |
US20090315063A1 (en) | Light emitting device and method of manufacturing the same | |
KR101349444B1 (ko) | 질화물 반도체 발광소자 및 그 제조방법 | |
KR101337615B1 (ko) | 질화갈륨계 화합물 반도체 및 그 제조방법 | |
KR101239849B1 (ko) | 고효율 발광 다이오드 | |
KR20210034988A (ko) | 자외선 led의 제조 방법 및 그에 따른 자외선 led | |
KR101373804B1 (ko) | 백색 발광다이오드 및 그 제조방법 | |
CN220456444U (zh) | 一种半导体结构 | |
CN113299805B (zh) | 基于非对称量子阱结构的uv-led及其制备方法 | |
KR101140679B1 (ko) | 질화갈륨계 화합물 반도체 | |
KR100608919B1 (ko) | 발광 소자 및 이의 제조 방법 | |
US20140217358A1 (en) | Light-emitting diode and the manufacture method of the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110928 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20111021 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120118 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120706 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120718 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150727 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |