JP4860628B2 - 半導体光素子および半導体光素子を搭載した外部共振レーザ - Google Patents
半導体光素子および半導体光素子を搭載した外部共振レーザ Download PDFInfo
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- JP4860628B2 JP4860628B2 JP2007538715A JP2007538715A JP4860628B2 JP 4860628 B2 JP4860628 B2 JP 4860628B2 JP 2007538715 A JP2007538715 A JP 2007538715A JP 2007538715 A JP2007538715 A JP 2007538715A JP 4860628 B2 JP4860628 B2 JP 4860628B2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/227—Buried mesa structure ; Striped active layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/042—Superluminescent diodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02251—Out-coupling of light using optical fibres
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- H—ELECTRICITY
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- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1003—Waveguide having a modified shape along the axis, e.g. branched, curved, tapered, voids
- H01S5/101—Curved waveguide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1003—Waveguide having a modified shape along the axis, e.g. branched, curved, tapered, voids
- H01S5/1014—Tapered waveguide, e.g. spotsize converter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1028—Coupling to elements in the cavity, e.g. coupling to waveguides adjacent the active region, e.g. forward coupled [DFC] structures
- H01S5/1032—Coupling to elements comprising an optical axis that is not aligned with the optical axis of the active region
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1082—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region with a special facet structure, e.g. structured, non planar, oblique
- H01S5/1085—Oblique facets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
- H01S5/142—External cavity lasers using a wavelength selective device, e.g. a grating or etalon which comprises an additional resonator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
- H01S5/143—Littman-Metcalf configuration, e.g. laser - grating - mirror
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/146—External cavity lasers using a fiber as external cavity
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Semiconductor Lasers (AREA)
- Optical Integrated Circuits (AREA)
Description
1.導波路の端面を窓構造とする。
2.導波路の端面を斜め端面とする。
1G 導波路
1TL 第1の端面
1TH 第2の端面
4 特定波長光帰還手段
5 光出力手段
11 半導体基板
13 活性層
100 外部共振レーザ
図1は、第1の実施形態に係る半導体光素子1の上面図および断面図である。
次に、本発明に係る半導体光素子を適用した光学装置である外部共振レーザの実施形態について説明する。
Claims (6)
- 半導体基板と、
前記半導体基板上に形成され、ストライプ状に成形された活性層を含む導波路と、
前記導波路の終端部であって、前記半導体基板を劈開することによって形成された第1および第2の端面を有する半導体光素子において、
前記第1の端面は第1の反射率を有し、前記第2の端面は第2の反射率を有し、
前記導波路は、前記半導体基板の基板面と平行な面内にて、前記第1の端面においては前記第1の端面の法線と第1の角度を、前記第2の端面においては前記第2の端面の法線と第2の角度を成して交わり、
前記第1の端面において前記導波路から放射される光の光軸と、前記第2の端面において前記導波路から放射される光の光軸とが平行であり、
かつ、前記第1の端面近傍における前記導波路を導波される光の前記導波路の幅方向の第1のスポットサイズと、前記第2の端面近傍における前記導波路を導波される光の前記導波路の幅方向の第2のスポットサイズとが、互いに異なることを特徴とする半導体光素子。 - 半導体基板と、
前記半導体基板上にストライプ状に成形された活性層を含む導波路を有し、前記導波路は互いに平行な劈開面からなる第1および第2の端面を備えた半導体光素子において、
前記第1の端面の法線と前記第1の端面の近傍における前記導波路の光軸のなす角度が零でない第1の角度をなし、前記第2の端面の法線と前記第2の端面の近傍における前記導波路の光軸のなす角度が零でなく、かつ前記第1の角度とは異なる第2の角度をなしており、
前記第1の端面の近傍における前記導波路の幅方向の第1のスポットサイズと、前記第2の端面の近傍における前記導波路の幅方向の第2のスポットサイズとが互いに異なり、
前記第1の端面において前記導波路から出射される光の光軸と、前記第2の端面において前記導波路から出射される光の光軸とが互いに平行であることを特徴とする半導体光素子。 - 半導体基板と、
前記半導体基板上にストライプ状に成形された活性層を含む導波路を有し、前記導波路は互いに平行な劈開面からなる第1および第2の端面を備えた半導体光素子において、
前記第1の端面の法線と前記第1の端面の近傍における前記導波路の光軸のなす角度が零でない第1の角度をなし、前記第2の端面の法線と前記第2の端面の近傍における前記導波路の光軸のなす角度が零でない第2の角度をなしており、
前記第1の端面の近傍における前記導波路の幅方向の第1のスポットサイズと、前記第2の端面の近傍における前記導波路の幅方向の第2のスポットサイズとが互いに異なることを特徴とする半導体光素子。 - 前記第1の端面における前記導波路の幅が、前記第2の端面における前記導波路の幅より大きいことを特徴とする請求項1から請求項3のいずれか1項に記載の半導体光素子。
- 前記導波路が、前記第1の端面から所定長さにわたって第1の幅を有する第1の直線部と、前記第2の端面から所定長さにわたって第2の幅を有する第2の直線部とを含むことを特徴とする請求項1から請求項4のいずれか1項に記載の半導体光素子。
- 請求項1から請求項5のいずれか1項に記載の半導体光素子と、
前記半導体光素子の第1の端面から出射された光の特定波長光を選択的に前記第1の端面に帰還する特定波長光帰還手段とを備え、
前記半導体光素子の第2の端面から前記特定波長光を出射することを特徴とする外部共振レーザ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007538715A JP4860628B2 (ja) | 2005-09-30 | 2006-09-27 | 半導体光素子および半導体光素子を搭載した外部共振レーザ |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005287726 | 2005-09-30 | ||
| JP2005287726 | 2005-09-30 | ||
| JP2007538715A JP4860628B2 (ja) | 2005-09-30 | 2006-09-27 | 半導体光素子および半導体光素子を搭載した外部共振レーザ |
| PCT/JP2006/319121 WO2007040108A1 (ja) | 2005-09-30 | 2006-09-27 | 半導体光素子および半導体光素子を搭載した外部共振レーザ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2007040108A1 JPWO2007040108A1 (ja) | 2009-04-16 |
| JP4860628B2 true JP4860628B2 (ja) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2007538715A Active JP4860628B2 (ja) | 2005-09-30 | 2006-09-27 | 半導体光素子および半導体光素子を搭載した外部共振レーザ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7813398B2 (ja) |
| EP (1) | EP1931000A4 (ja) |
| JP (1) | JP4860628B2 (ja) |
| CA (1) | CA2624014A1 (ja) |
| WO (1) | WO2007040108A1 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5086034B2 (ja) * | 2007-11-09 | 2012-11-28 | アンリツ株式会社 | 外部共振器型半導体レーザ装置 |
| JP5239559B2 (ja) * | 2008-07-01 | 2013-07-17 | 日本電気株式会社 | 外部共振器型レーザモジュール及びその製造方法 |
| JP2010226032A (ja) * | 2009-03-25 | 2010-10-07 | Sumitomo Electric Device Innovations Inc | 光半導体装置 |
| JP5311046B2 (ja) | 2009-09-11 | 2013-10-09 | セイコーエプソン株式会社 | プロジェクター |
| EP2522057B1 (en) * | 2010-01-08 | 2017-03-22 | II-VI Laser Enterprise GmbH | Laser system with highly linear output |
| KR101754280B1 (ko) * | 2011-05-04 | 2017-07-07 | 한국전자통신연구원 | 반도체 광 소자 및 그 제조 방법 |
| CN104081598A (zh) * | 2012-01-30 | 2014-10-01 | 古河电气工业株式会社 | 半导体光元件、集成型半导体光元件、以及半导体光元件模块 |
| JP5837015B2 (ja) * | 2013-09-30 | 2015-12-24 | 沖電気工業株式会社 | 半導体レーザモジュール及びその製造方法 |
| JP6229595B2 (ja) * | 2014-06-05 | 2017-11-15 | 富士通株式会社 | 変調光源 |
| US11164990B2 (en) | 2016-06-13 | 2021-11-02 | Sony Corporation | Optical device and display apparatus |
| JP2018088499A (ja) * | 2016-11-29 | 2018-06-07 | スペクトラ・クエスト・ラボ株式会社 | 曲がり導波路レーザチップを用いる外部共振器レーザ |
| JP7743796B2 (ja) * | 2022-01-26 | 2025-09-25 | 古河ファイテルオプティカルコンポーネンツ株式会社 | 波長可変レーザ装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0527130A (ja) * | 1990-12-07 | 1993-02-05 | Nippon Telegr & Teleph Corp <Ntt> | 光導波路デバイス |
| JPH10242561A (ja) * | 1997-02-25 | 1998-09-11 | Hitachi Ltd | 半導体レーザおよびその製造方法 |
| JP2000035522A (ja) * | 1998-07-17 | 2000-02-02 | Nippon Telegr & Teleph Corp <Ntt> | 光素子及び光部品 |
| JP2003167176A (ja) * | 2001-11-23 | 2003-06-13 | Samsung Electronics Co Ltd | 曲線形状の光導波路を有する光素子を用いた光通信モジュール |
| JP2004266095A (ja) * | 2003-02-28 | 2004-09-24 | Anritsu Corp | 半導体光増幅器 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4965525A (en) * | 1989-11-13 | 1990-10-23 | Bell Communications Research, Inc. | Angled-facet flared-waveguide traveling-wave laser amplifiers |
| JPH08116124A (ja) * | 1994-10-13 | 1996-05-07 | Hitachi Ltd | 半導体光素子 |
| EP0902978A4 (en) * | 1996-06-05 | 2000-02-23 | Sarnoff Corp | LIGHT-EMITTING SEMICONDUCTOR ARRANGEMENT |
| JP3387746B2 (ja) | 1996-07-31 | 2003-03-17 | キヤノン株式会社 | 屈曲チャンネルストライプの偏波変調可能な半導体レーザ |
| US6091755A (en) | 1997-11-21 | 2000-07-18 | Sdl, Inc. | Optically amplifying semiconductor diodes with curved waveguides for external cavities |
| DE60106742T2 (de) * | 2000-02-25 | 2005-03-10 | Trumpf Photonics, Inc. | Hochleistungs-superleuchtdiode mit einem gekrümmten mehrfachdurchgangs-wellenleiter |
| DE20320771U1 (de) * | 2003-07-03 | 2005-02-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | BH-Laser mit getapertem optischen Wellenleiter, insbesondere BH-DFB-Laser |
| JP2006049650A (ja) * | 2004-08-05 | 2006-02-16 | Hamamatsu Photonics Kk | 半導体レーザ素子及び半導体レーザ素子アレイ |
| US7203409B2 (en) * | 2004-08-16 | 2007-04-10 | Covega Corporation | Superluminescent diodes having high output power and reduced internal reflections |
-
2006
- 2006-09-27 JP JP2007538715A patent/JP4860628B2/ja active Active
- 2006-09-27 EP EP06810612A patent/EP1931000A4/en not_active Withdrawn
- 2006-09-27 WO PCT/JP2006/319121 patent/WO2007040108A1/ja not_active Ceased
- 2006-09-27 US US12/067,601 patent/US7813398B2/en not_active Expired - Fee Related
- 2006-09-27 CA CA002624014A patent/CA2624014A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0527130A (ja) * | 1990-12-07 | 1993-02-05 | Nippon Telegr & Teleph Corp <Ntt> | 光導波路デバイス |
| JPH10242561A (ja) * | 1997-02-25 | 1998-09-11 | Hitachi Ltd | 半導体レーザおよびその製造方法 |
| JP2000035522A (ja) * | 1998-07-17 | 2000-02-02 | Nippon Telegr & Teleph Corp <Ntt> | 光素子及び光部品 |
| JP2003167176A (ja) * | 2001-11-23 | 2003-06-13 | Samsung Electronics Co Ltd | 曲線形状の光導波路を有する光素子を用いた光通信モジュール |
| JP2004266095A (ja) * | 2003-02-28 | 2004-09-24 | Anritsu Corp | 半導体光増幅器 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007040108A1 (ja) | 2007-04-12 |
| US7813398B2 (en) | 2010-10-12 |
| CA2624014A1 (en) | 2007-04-12 |
| EP1931000A1 (en) | 2008-06-11 |
| JPWO2007040108A1 (ja) | 2009-04-16 |
| EP1931000A4 (en) | 2011-07-20 |
| US20090225801A1 (en) | 2009-09-10 |
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