JP6251934B2 - 半導体レーザの製造方法 - Google Patents

半導体レーザの製造方法 Download PDF

Info

Publication number
JP6251934B2
JP6251934B2 JP2013158314A JP2013158314A JP6251934B2 JP 6251934 B2 JP6251934 B2 JP 6251934B2 JP 2013158314 A JP2013158314 A JP 2013158314A JP 2013158314 A JP2013158314 A JP 2013158314A JP 6251934 B2 JP6251934 B2 JP 6251934B2
Authority
JP
Japan
Prior art keywords
layer
cladding layer
cladding
semiconductor laser
manufacturing
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.)
Active
Application number
JP2013158314A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015029025A (ja
JP2015029025A5 (enExample
Inventor
正巳 石浦
正巳 石浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Device Innovations Inc
Original Assignee
Sumitomo Electric Device Innovations Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Device Innovations Inc filed Critical Sumitomo Electric Device Innovations Inc
Priority to JP2013158314A priority Critical patent/JP6251934B2/ja
Priority to US14/446,004 priority patent/US9331456B2/en
Publication of JP2015029025A publication Critical patent/JP2015029025A/ja
Publication of JP2015029025A5 publication Critical patent/JP2015029025A5/ja
Application granted granted Critical
Publication of JP6251934B2 publication Critical patent/JP6251934B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/32Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
    • H01S5/3211Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/32Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
    • H01S5/3211Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities
    • H01S5/3213Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities asymmetric clading layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S2304/00Special growth methods for semiconductor lasers
    • H01S2304/04MOCVD or MOVPE
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S2304/00Special growth methods for semiconductor lasers
    • H01S2304/12Pendeo epitaxial lateral overgrowth [ELOG], e.g. for growing GaN based blue laser diodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/20Structure 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
    • H01S5/22Structure 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
    • H01S5/2205Structure 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 comprising special burying or current confinement layers
    • H01S5/2222Structure 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 comprising special burying or current confinement layers having special electric properties
    • H01S5/2224Structure 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 comprising special burying or current confinement layers having special electric properties semi-insulating semiconductors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/20Structure 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
    • H01S5/22Structure 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
    • H01S5/227Buried mesa structure ; Striped active layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/305Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure
    • H01S5/3054Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure p-doping
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/32Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
    • H01S5/3202Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures grown on specifically orientated substrates, or using orientation dependent growth
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
    • H01S5/343Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/34306Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength longer than 1000nm, e.g. InP based 1300 and 1500nm lasers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/24Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials using chemical vapour deposition [CVD]
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/29Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2901Materials
    • H10P14/2907Materials being Group IIIA-VA materials
    • H10P14/2909Phosphides
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/29Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2901Materials
    • H10P14/2907Materials being Group IIIA-VA materials
    • H10P14/2911Arsenides
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/29Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by the substrates
    • H10P14/2926Crystal orientations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/32Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials characterised by intermediate layers between substrates and deposited layers
    • H10P14/3258Crystal orientation
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3402Deposited materials, e.g. layers characterised by the chemical composition
    • H10P14/3414Deposited materials, e.g. layers characterised by the chemical composition being group IIIA-VIA materials
    • H10P14/3418Phosphides
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3402Deposited materials, e.g. layers characterised by the chemical composition
    • H10P14/3414Deposited materials, e.g. layers characterised by the chemical composition being group IIIA-VIA materials
    • H10P14/3421Arsenides
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3438Doping during depositing
    • H10P14/3441Conductivity type
    • H10P14/3442N-type
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3438Doping during depositing
    • H10P14/3441Conductivity type
    • H10P14/3446Transition metal elements; Rare earth elements

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
JP2013158314A 2013-07-30 2013-07-30 半導体レーザの製造方法 Active JP6251934B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013158314A JP6251934B2 (ja) 2013-07-30 2013-07-30 半導体レーザの製造方法
US14/446,004 US9331456B2 (en) 2013-07-30 2014-07-29 Method of manufacturing semiconductor laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013158314A JP6251934B2 (ja) 2013-07-30 2013-07-30 半導体レーザの製造方法

Publications (3)

Publication Number Publication Date
JP2015029025A JP2015029025A (ja) 2015-02-12
JP2015029025A5 JP2015029025A5 (enExample) 2016-09-15
JP6251934B2 true JP6251934B2 (ja) 2017-12-27

Family

ID=52428033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013158314A Active JP6251934B2 (ja) 2013-07-30 2013-07-30 半導体レーザの製造方法

Country Status (2)

Country Link
US (1) US9331456B2 (enExample)
JP (1) JP6251934B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019193679A1 (ja) * 2018-04-04 2019-10-10 三菱電機株式会社 半導体レーザおよびその製造方法
CN112438001B (zh) * 2018-07-31 2022-06-24 三菱电机株式会社 半导体激光装置的制造方法以及半导体激光装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH084169B2 (ja) * 1986-08-28 1996-01-17 ソニー株式会社 化合物半導体レ−ザ−
JPH0834330B2 (ja) * 1988-03-22 1996-03-29 キヤノン株式会社 半導体レーザ装置
JP3071021B2 (ja) * 1991-02-15 2000-07-31 三洋電機株式会社 半導体レーザ装置の製造方法
JP2945546B2 (ja) * 1991-09-20 1999-09-06 富士通株式会社 ストライプレーザダイオードおよびその製造方法
JP2956425B2 (ja) * 1993-07-28 1999-10-04 松下電器産業株式会社 半導体レーザおよびその製造方法
US6639926B1 (en) * 1998-03-25 2003-10-28 Mitsubishi Chemical Corporation Semiconductor light-emitting device
JP2003204115A (ja) * 2001-11-02 2003-07-18 Furukawa Electric Co Ltd:The 半導体レーザ装置、半導体レーザモジュールおよび光ファイバ増幅器
US7573928B1 (en) * 2003-09-05 2009-08-11 Santur Corporation Semiconductor distributed feedback (DFB) laser array with integrated attenuator
JP2009238913A (ja) * 2008-03-26 2009-10-15 Mitsubishi Electric Corp 分布帰還型半導体レーザ
JP5440304B2 (ja) * 2010-03-19 2014-03-12 富士通株式会社 光半導体装置及びその製造方法
JP5545670B2 (ja) 2010-04-27 2014-07-09 住友電工デバイス・イノベーション株式会社 光半導体装置およびその製造方法
JP5599243B2 (ja) * 2010-07-06 2014-10-01 富士通株式会社 光半導体素子及びその製造方法、並びに光装置
JP5880063B2 (ja) * 2012-01-18 2016-03-08 住友電気工業株式会社 光集積素子の製造方法

Also Published As

Publication number Publication date
US20150037919A1 (en) 2015-02-05
JP2015029025A (ja) 2015-02-12
US9331456B2 (en) 2016-05-03

Similar Documents

Publication Publication Date Title
CN106972345B (zh) 形成半导体光学器件的方法及半导体光学器件
JP5545670B2 (ja) 光半導体装置およびその製造方法
JP5660940B2 (ja) 光半導体装置の製造方法
JP6807691B2 (ja) 半導体光素子、及びその製造方法
US10020637B2 (en) Method for manufacturing semiconductor device and semiconductor device
JP6123536B2 (ja) 光半導体素子、及びその製造装置
JP6251934B2 (ja) 半導体レーザの製造方法
JP2014045083A (ja) 半導体光素子及び半導体光素子の作製方法
CN105895754B (zh) 一种InGaAsP材料掩埋波导结构超辐射发光二极芯片的制作方法
JPH06275911A (ja) 半導体レーザ装置とその製造方法
CN108011295B (zh) 具有多量子阱结构的半导体激光二极管
WO2019208697A1 (ja) 光半導体素子およびその製造方法ならびに光集積半導体素子およびその製造方法
JP5590653B2 (ja) 半導体発光装置及び半導体発光装置の製造方法
US20220247154A1 (en) Edge emitting laser device
JP4797782B2 (ja) 半導体光素子
JP2006253212A (ja) 半導体レーザ
US9166366B2 (en) Optical semiconductor device and method for manufacturing the same
JP5217598B2 (ja) 半導体発光素子の製造方法
JP6487236B2 (ja) 半導体光素子、及びその製造方法
JP2022553153A (ja) 複数の量子井戸を備えた半導体構造体の製造
JP4592865B2 (ja) 半導体積層構造の製造方法
CN112398004A (zh) 电吸收光调制器及其制造方法
JP2007095857A (ja) 半導体レーザ
US11196232B2 (en) Modulation doped semiconductor laser and manufacturing method therefor
US20100316080A1 (en) Semiconductor optical element

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160726

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160726

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170427

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170523

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170719

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170815

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171004

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: 20171031

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20171110

R150 Certificate of patent or registration of utility model

Ref document number: 6251934

Country of ref document: JP

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

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250