JP7030515B2 - 逆導通半導体装置 - Google Patents

逆導通半導体装置 Download PDF

Info

Publication number
JP7030515B2
JP7030515B2 JP2017533808A JP2017533808A JP7030515B2 JP 7030515 B2 JP7030515 B2 JP 7030515B2 JP 2017533808 A JP2017533808 A JP 2017533808A JP 2017533808 A JP2017533808 A JP 2017533808A JP 7030515 B2 JP7030515 B2 JP 7030515B2
Authority
JP
Japan
Prior art keywords
layer
region
reverse conduction
protective layer
mos
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
JP2017533808A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018504778A5 (enExample
JP2018504778A (ja
Inventor
ストラスタ,リウタウラス
コルバセ,キアーラ
レ・ガロ,マヌエル
ラヒモ,ムナフ
コプタ,アルノスト
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.)
Hitachi Energy Ltd
Original Assignee
Hitachi Energy Switzerland AG
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 Hitachi Energy Switzerland AG filed Critical Hitachi Energy Switzerland AG
Publication of JP2018504778A publication Critical patent/JP2018504778A/ja
Publication of JP2018504778A5 publication Critical patent/JP2018504778A5/ja
Application granted granted Critical
Publication of JP7030515B2 publication Critical patent/JP7030515B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/441Vertical IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/441Vertical IGBTs
    • H10D12/461Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/64Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/65Lateral DMOS [LDMOS] FETs
    • H10D30/655Lateral DMOS [LDMOS] FETs having edge termination structures
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/64Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66Vertical DMOS [VDMOS] FETs
    • H10D30/665Vertical DMOS [VDMOS] FETs having edge termination structures
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/102Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] 
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/102Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] 
    • H10D62/106Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]  having supplementary regions doped oppositely to or in rectifying contact with regions of the semiconductor bodies, e.g. guard rings with PN or Schottky junctions
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/102Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] 
    • H10D62/109Reduced surface field [RESURF] PN junction structures
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/124Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • H10D62/126Top-view geometrical layouts of the regions or the junctions
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/124Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • H10D62/126Top-view geometrical layouts of the regions or the junctions
    • H10D62/127Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/13Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/149Source or drain regions of field-effect devices
    • H10D62/151Source or drain regions of field-effect devices of IGFETs 
    • H10D62/152Source regions of DMOS transistors
    • H10D62/154Dispositions
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/17Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
    • H10D62/177Base regions of bipolar transistors, e.g. BJTs or IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/17Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
    • H10D62/393Body regions of DMOS transistors or IGBTs 
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/60Impurity distributions or concentrations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/111Field plates
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/101Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
    • H10D84/151LDMOS having built-in components
    • H10D84/153LDMOS having built-in components the built-in component being PN junction diodes
    • H10D84/154LDMOS having built-in components the built-in component being PN junction diodes in antiparallel diode configurations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/13Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/141Anode or cathode regions of thyristors; Collector or emitter regions of gated bipolar-mode devices, e.g. of IGBTs
    • H10D62/142Anode regions of thyristors or collector regions of gated bipolar-mode devices

Landscapes

  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Thyristors (AREA)
JP2017533808A 2014-12-23 2015-12-22 逆導通半導体装置 Active JP7030515B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14200101 2014-12-23
EP14200101.5 2014-12-23
PCT/EP2015/080947 WO2016102549A1 (en) 2014-12-23 2015-12-22 Reverse-conducting semiconductor device

Publications (3)

Publication Number Publication Date
JP2018504778A JP2018504778A (ja) 2018-02-15
JP2018504778A5 JP2018504778A5 (enExample) 2019-01-17
JP7030515B2 true JP7030515B2 (ja) 2022-03-07

Family

ID=52231999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017533808A Active JP7030515B2 (ja) 2014-12-23 2015-12-22 逆導通半導体装置

Country Status (5)

Country Link
US (1) US10109725B2 (enExample)
EP (1) EP3238260B1 (enExample)
JP (1) JP7030515B2 (enExample)
CN (1) CN107112353B (enExample)
WO (1) WO2016102549A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6649102B2 (ja) * 2016-02-05 2020-02-19 ルネサスエレクトロニクス株式会社 半導体装置
JP6854654B2 (ja) * 2017-01-26 2021-04-07 ローム株式会社 半導体装置
JP6897166B2 (ja) * 2017-03-03 2021-06-30 株式会社豊田中央研究所 半導体装置
US10355132B2 (en) 2017-03-20 2019-07-16 North Carolina State University Power MOSFETs with superior high frequency figure-of-merit
JP6804379B2 (ja) * 2017-04-24 2020-12-23 三菱電機株式会社 半導体装置
DE102018102279A1 (de) * 2018-02-01 2019-08-01 Infineon Technologies Ag Halbleiterbauelement mit randabschlussbereich
CN111211157A (zh) * 2018-11-21 2020-05-29 深圳比亚迪微电子有限公司 快恢复二极管及其制备方法
CN110190029B (zh) * 2019-04-28 2021-07-09 爱特微(张家港)半导体技术有限公司 一种功率半导体器件的制备方法
DE102019111786A1 (de) * 2019-05-07 2020-11-12 Infineon Technologies Ag Leistungshalbleitervorrichtung und Verfahren
JP7227110B2 (ja) * 2019-09-18 2023-02-21 株式会社東芝 半導体装置
CN110610986B (zh) * 2019-10-09 2023-03-14 重庆邮电大学 一种利用结终端集成横向续流二极管的rc-igbt器件
CN110797403B (zh) * 2019-10-18 2023-08-01 上海睿驱微电子科技有限公司 一种rc-igbt半导体装置
CN110854180B (zh) * 2019-11-27 2024-04-16 吉林华微电子股份有限公司 终端结构的制造方法、终端结构及半导体器件
US20210273090A1 (en) * 2020-03-02 2021-09-02 Cree, Inc. Semiconductor die with improved edge termination
CN113782592B (zh) * 2021-09-10 2023-08-29 重庆邮电大学 一种衬底集成反并联续流二极管的rc-ligbt器件

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002222952A (ja) 2001-01-26 2002-08-09 Toshiba Corp 高耐圧半導体装置
JP2010141170A (ja) 2008-12-12 2010-06-24 Denso Corp 半導体装置の製造方法
JP2013533619A (ja) 2010-06-17 2013-08-22 アーベーベー・テヒノロギー・アーゲー パワー半導体デバイス
WO2013153668A1 (ja) 2012-04-13 2013-10-17 三菱電機株式会社 ダイオード
WO2014087522A1 (ja) 2012-12-06 2014-06-12 三菱電機株式会社 半導体装置
JP2014175377A (ja) 2013-03-07 2014-09-22 Mitsubishi Electric Corp 炭化珪素半導体装置およびその製造方法
JP2014192433A (ja) 2013-03-28 2014-10-06 Sanken Electric Co Ltd 半導体装置
JP2015126192A (ja) 2013-12-27 2015-07-06 株式会社豊田中央研究所 縦型半導体装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0799307A (ja) * 1993-09-29 1995-04-11 Fuji Electric Co Ltd 半導体装置およびその製造方法
JP4905559B2 (ja) * 2009-01-27 2012-03-28 株式会社デンソー 半導体装置
EP2249392B1 (en) * 2009-04-29 2020-05-20 ABB Power Grids Switzerland AG Reverse-conducting semiconductor device
US8716746B2 (en) * 2010-08-17 2014-05-06 Denso Corporation Semiconductor device
JP5787655B2 (ja) * 2010-11-26 2015-09-30 三菱電機株式会社 炭化珪素半導体装置およびその製造方法
JP5459403B2 (ja) * 2011-03-28 2014-04-02 トヨタ自動車株式会社 縦型半導体装置
JP2014038937A (ja) * 2012-08-16 2014-02-27 Mitsubishi Electric Corp 半導体装置
CN104704635A (zh) 2012-10-02 2015-06-10 三菱电机株式会社 半导体装置及其制造方法
JP5939127B2 (ja) * 2012-10-22 2016-06-22 住友電気工業株式会社 炭化珪素半導体装置
JP6261494B2 (ja) * 2014-12-03 2018-01-17 三菱電機株式会社 電力用半導体装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002222952A (ja) 2001-01-26 2002-08-09 Toshiba Corp 高耐圧半導体装置
JP2010141170A (ja) 2008-12-12 2010-06-24 Denso Corp 半導体装置の製造方法
JP2013533619A (ja) 2010-06-17 2013-08-22 アーベーベー・テヒノロギー・アーゲー パワー半導体デバイス
WO2013153668A1 (ja) 2012-04-13 2013-10-17 三菱電機株式会社 ダイオード
WO2014087522A1 (ja) 2012-12-06 2014-06-12 三菱電機株式会社 半導体装置
JP2014175377A (ja) 2013-03-07 2014-09-22 Mitsubishi Electric Corp 炭化珪素半導体装置およびその製造方法
JP2014192433A (ja) 2013-03-28 2014-10-06 Sanken Electric Co Ltd 半導体装置
JP2015126192A (ja) 2013-12-27 2015-07-06 株式会社豊田中央研究所 縦型半導体装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
W.Chen et al.,A Snapback Suppressed reverse-conducting IGBT with built-in diode by utilizing edge termination,Superlattice and Microstructures,NL,Elsevier Ltd.,2014年 3月15日,Vol.70,pp.109-116

Also Published As

Publication number Publication date
CN107112353B (zh) 2020-12-22
US10109725B2 (en) 2018-10-23
US20170294526A1 (en) 2017-10-12
CN107112353A (zh) 2017-08-29
WO2016102549A1 (en) 2016-06-30
EP3238260B1 (en) 2020-03-25
EP3238260A1 (en) 2017-11-01
JP2018504778A (ja) 2018-02-15

Similar Documents

Publication Publication Date Title
JP7030515B2 (ja) 逆導通半導体装置
US11735584B2 (en) Semiconductor device
US10991801B2 (en) Semiconductor device with improved current flow distribution
JP5787853B2 (ja) 電力用半導体装置
US8212283B2 (en) Reverse-conducting semiconductor device
JP3751463B2 (ja) 高耐圧半導体素子
US20190013313A1 (en) Semiconductor device
JP5865618B2 (ja) 半導体装置
KR101749671B1 (ko) 역-도통 전력 반도체 디바이스
JP5805756B2 (ja) パワー半導体デバイス
JP2020191441A (ja) 超接合半導体装置および超接合半導体装置の製造方法
JP6805655B2 (ja) 半導体装置
WO2017098547A1 (ja) 炭化珪素半導体装置
CN109755293A (zh) 半导体装置
JP7635524B2 (ja) 半導体装置および半導体装置の製造方法
US10490655B2 (en) Insulated gate bipolar transistor (IGBT) with high avalanche withstand
JP6088586B2 (ja) 逆導通パワー半導体デバイス
US10777549B2 (en) Semiconductor device
JP2019087730A (ja) 半導体装置
JP2012199434A (ja) 半導体装置
WO2016001182A2 (en) Semiconductor device
KR20140009874A (ko) 고속 회복 다이오드
JP2024029584A (ja) 半導体装置及びその製造方法
JP2015119198A (ja) 半導体装置
JP2014060301A (ja) 電力用半導体装置及びその製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20181129

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20181129

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20190912

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20191105

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20200609

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20201008

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20201008

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20201016

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20201020

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20201218

C211 Notice of termination of reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C211

Effective date: 20201222

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20210316

C13 Notice of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: C13

Effective date: 20210511

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210810

C23 Notice of termination of proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C23

Effective date: 20211102

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20211129

C03 Trial/appeal decision taken

Free format text: JAPANESE INTERMEDIATE CODE: C03

Effective date: 20220201

C30A Notification sent

Free format text: JAPANESE INTERMEDIATE CODE: C3012

Effective date: 20220201

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220222

R150 Certificate of patent or registration of utility model

Ref document number: 7030515

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250