CN102832122A - 双极穿通半导体器件及这种半导体器件的制造方法 - Google Patents
双极穿通半导体器件及这种半导体器件的制造方法 Download PDFInfo
- Publication number
- CN102832122A CN102832122A CN201210273480XA CN201210273480A CN102832122A CN 102832122 A CN102832122 A CN 102832122A CN 201210273480X A CN201210273480X A CN 201210273480XA CN 201210273480 A CN201210273480 A CN 201210273480A CN 102832122 A CN102832122 A CN 102832122A
- Authority
- CN
- China
- Prior art keywords
- depth
- anode
- ion
- degree
- layer
- 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
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000004065 semiconductor Substances 0.000 title abstract description 5
- 150000002500 ions Chemical class 0.000 claims description 100
- 238000009792 diffusion process Methods 0.000 claims description 53
- 230000007547 defect Effects 0.000 claims description 17
- 238000002513 implantation Methods 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 6
- 235000012431 wafers Nutrition 0.000 description 30
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 101150034459 Parpbp gene Proteins 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003068 static effect Effects 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/8613—Mesa PN junction diodes
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/36—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the concentration or distribution of impurities in the bulk material
-
- 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
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/6609—Diodes
- H01L29/66136—PN junction diodes
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/0619—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0657—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape of the body
- H01L29/0661—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape of the body specially adapted for altering the breakdown voltage by removing semiconductor material at, or in the neighbourhood of, a reverse biased junction, e.g. by bevelling, moat etching, depletion etching
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/30—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by physical imperfections; having polished or roughened surface
- H01L29/32—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by physical imperfections; having polished or roughened surface the imperfections being within the semiconductor body
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Thyristors (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11169792.6A EP2535940B1 (en) | 2011-06-14 | 2011-06-14 | Bipolar diode and method for manufacturing the same |
EP11169792.6 | 2011-06-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102832122A true CN102832122A (zh) | 2012-12-19 |
CN102832122B CN102832122B (zh) | 2016-08-03 |
Family
ID=44721633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210273480.XA Active CN102832122B (zh) | 2011-06-14 | 2012-06-14 | 双极穿通半导体器件及这种半导体器件的制造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8525302B2 (zh) |
EP (1) | EP2535940B1 (zh) |
JP (1) | JP5992216B2 (zh) |
KR (1) | KR101710220B1 (zh) |
CN (1) | CN102832122B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108682694A (zh) * | 2017-03-24 | 2018-10-19 | 3-5电力电子有限责任公司 | Iii-v族半导体二极管 |
CN113745315A (zh) * | 2021-07-28 | 2021-12-03 | 西安电子科技大学 | P型基区碳化硅das器件及其制备方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014202750A1 (en) * | 2013-06-20 | 2014-12-24 | Abb Technology Ag | Fast recovery diode |
EP3196943A1 (en) | 2016-01-22 | 2017-07-26 | ABB Technology AG | Bipolar diode and method for manufacturing such a diode |
DE102017011878A1 (de) | 2017-12-21 | 2019-06-27 | 3-5 Power Electronics GmbH | Stapelförmiges III-V-Halbleiterbauelement |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4106953A (en) * | 1976-12-28 | 1978-08-15 | Motorola, Inc. | Method of producing an ion implanted tuning diode |
US20030087510A1 (en) * | 2001-11-06 | 2003-05-08 | Chen Aikwo Eric | Method of forming MOS transistor graded junctions using multiple implant of low diffusion specie, and a device formed thereby |
US20100087053A1 (en) * | 2008-09-30 | 2010-04-08 | Infineon Technologies Austria Ag | Method for fabricating a semiconductor having a graded pn junction |
WO2011052787A1 (ja) * | 2009-11-02 | 2011-05-05 | 富士電機システムズ株式会社 | 半導体装置および半導体装置の製造方法 |
CN102054876A (zh) * | 2009-11-09 | 2011-05-11 | Abb技术有限公司 | 快速恢复二极管 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5960275A (en) * | 1996-10-28 | 1999-09-28 | Magemos Corporation | Power MOSFET fabrication process to achieve enhanced ruggedness, cost savings, and product reliability |
JPH10294448A (ja) * | 1997-04-22 | 1998-11-04 | Hitachi Ltd | 高耐圧半導体装置の製造方法 |
GB9804177D0 (en) * | 1998-02-28 | 1998-04-22 | Philips Electronics Nv | Semiconductor switch devices and their manufacture |
DE102007001108B4 (de) | 2007-01-04 | 2012-03-22 | Infineon Technologies Ag | Diode und Verfahren zu ihrer Herstellung |
JP4367508B2 (ja) * | 2007-03-13 | 2009-11-18 | 株式会社デンソー | 炭化珪素半導体装置およびその製造方法 |
KR20110094066A (ko) * | 2008-12-15 | 2011-08-19 | 에이비비 테크놀로지 아게 | 바이폴러 펀치-스루 반도체 디바이스 및 이러한 반도체 디바이스를 제조하는 방법 |
ATE529888T1 (de) * | 2009-11-09 | 2011-11-15 | Abb Technology Ag | Schnelle diode und verfahren zu deren herstellung |
-
2011
- 2011-06-14 EP EP11169792.6A patent/EP2535940B1/en active Active
-
2012
- 2012-06-13 KR KR1020120063300A patent/KR101710220B1/ko active IP Right Grant
- 2012-06-14 CN CN201210273480.XA patent/CN102832122B/zh active Active
- 2012-06-14 JP JP2012134819A patent/JP5992216B2/ja active Active
- 2012-06-14 US US13/523,184 patent/US8525302B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4106953A (en) * | 1976-12-28 | 1978-08-15 | Motorola, Inc. | Method of producing an ion implanted tuning diode |
US20030087510A1 (en) * | 2001-11-06 | 2003-05-08 | Chen Aikwo Eric | Method of forming MOS transistor graded junctions using multiple implant of low diffusion specie, and a device formed thereby |
US20100087053A1 (en) * | 2008-09-30 | 2010-04-08 | Infineon Technologies Austria Ag | Method for fabricating a semiconductor having a graded pn junction |
WO2011052787A1 (ja) * | 2009-11-02 | 2011-05-05 | 富士電機システムズ株式会社 | 半導体装置および半導体装置の製造方法 |
CN102054876A (zh) * | 2009-11-09 | 2011-05-11 | Abb技术有限公司 | 快速恢复二极管 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108682694A (zh) * | 2017-03-24 | 2018-10-19 | 3-5电力电子有限责任公司 | Iii-v族半导体二极管 |
CN108682694B (zh) * | 2017-03-24 | 2021-06-04 | 3-5电力电子有限责任公司 | Iii-v族半导体二极管 |
CN113745315A (zh) * | 2021-07-28 | 2021-12-03 | 西安电子科技大学 | P型基区碳化硅das器件及其制备方法 |
CN113745315B (zh) * | 2021-07-28 | 2023-11-14 | 西安电子科技大学 | P型基区碳化硅das器件及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2535940B1 (en) | 2013-08-21 |
KR20120138689A (ko) | 2012-12-26 |
JP5992216B2 (ja) | 2016-09-14 |
CN102832122B (zh) | 2016-08-03 |
JP2013004982A (ja) | 2013-01-07 |
KR101710220B1 (ko) | 2017-02-24 |
US8525302B2 (en) | 2013-09-03 |
US20120319227A1 (en) | 2012-12-20 |
EP2535940A1 (en) | 2012-12-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102054876B (zh) | 快速恢复二极管 | |
US10109719B2 (en) | Power device and fabricating method thereof | |
JP6873926B2 (ja) | 炭化ケイ素パワー半導体デバイスのエッジ終端部を製造する方法 | |
US10497570B2 (en) | Method for manufacturing semiconductor device having buffer layer | |
CN102074586B (zh) | 快速恢复二极管 | |
CN102479805A (zh) | 一种超级结半导体元件及其制造方法 | |
US20160027867A1 (en) | Semiconductor device | |
KR20130118306A (ko) | 바이폴라 넌-펀치-쓰루 전력 반도체 디바이스 | |
CN102832122A (zh) | 双极穿通半导体器件及这种半导体器件的制造方法 | |
CN102104026B (zh) | 集成有肖特基二极管的功率mos晶体管器件的制造方法 | |
KR101838829B1 (ko) | 반도체 장치의 제조 방법 | |
JP2007019518A (ja) | フィールドストップを有する半導体部品 | |
CN104716039A (zh) | 提高igbt性能的先进背面工艺制作方法 | |
KR102170068B1 (ko) | 바이폴라 논-펀치-스루 전력 반도체 디바이스 | |
CN108649064B (zh) | 一种提高uis雪崩耐量的mosfet及其制备方法 | |
CN102544083A (zh) | 一种mos型功率器件及其制造方法 | |
CN109166914B (zh) | 场阻型igbt结构及其制作方法 | |
CN115472667A (zh) | 一种超结绝缘双极型晶体管及其制备方法 | |
CN113345959A (zh) | 半导体装置及半导体装置的制造方法 | |
CN116031150A (zh) | 包括离子注入的制造半导体器件的方法和半导体器件 | |
CN102412147A (zh) | 场阻断型半导体器件的制作方法 | |
KR20020012942A (ko) | 이온주입에 의한 고전압 쇼트키 다이오드 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180517 Address after: Baden, Switzerland Patentee after: ABB Switzerland Co.,Ltd. Address before: Zurich Patentee before: ABB TECHNOLOGY Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210628 Address after: Baden, Switzerland Patentee after: ABB grid Switzerland AG Address before: Baden, Switzerland Patentee before: ABB Switzerland Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Swiss Baden Patentee after: Hitachi energy Switzerland AG Address before: Swiss Baden Patentee before: ABB grid Switzerland AG |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240124 Address after: Zurich, SUI Patentee after: Hitachi Energy Co.,Ltd. Country or region after: Switzerland Address before: Swiss Baden Patentee before: Hitachi energy Switzerland AG Country or region before: Switzerland |