EP3418421A4 - Cermet powder, protective film-coated member and method for producing same, and electroplating-bath roll and method for producing same - Google Patents

Cermet powder, protective film-coated member and method for producing same, and electroplating-bath roll and method for producing same Download PDF

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Publication number
EP3418421A4
EP3418421A4 EP17753182.9A EP17753182A EP3418421A4 EP 3418421 A4 EP3418421 A4 EP 3418421A4 EP 17753182 A EP17753182 A EP 17753182A EP 3418421 A4 EP3418421 A4 EP 3418421A4
Authority
EP
European Patent Office
Prior art keywords
producing same
electroplating
protective film
coated member
cermet powder
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
Application number
EP17753182.9A
Other languages
German (de)
French (fr)
Other versions
EP3418421B1 (en
EP3418421A1 (en
Inventor
Yuya Baba
Junichi Takeuchi
Yoshifumi Kobayashi
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.)
JFE Steel Corp
Tocalo Co Ltd
Original Assignee
JFE Steel Corp
Tocalo Co Ltd
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 JFE Steel Corp, Tocalo Co Ltd filed Critical JFE Steel Corp
Publication of EP3418421A1 publication Critical patent/EP3418421A1/en
Publication of EP3418421A4 publication Critical patent/EP3418421A4/en
Application granted granted Critical
Publication of EP3418421B1 publication Critical patent/EP3418421B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06Metallic material
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10Electrodes, e.g. composition, counter electrode
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/067Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06Metallic material
    • C23C4/067Metallic material containing free particles of non-metal elements, e.g. carbon, silicon, boron, phosphorus or arsenic
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06Metallic material
    • C23C4/073Metallic material containing MCrAl or MCrAlY alloys, where M is nickel, cobalt or iron, with or without non-metal elements
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/10Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/123Spraying molten metal
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134Plasma spraying
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/04Electroplating with moving electrodes
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/06Wires; Strips; Foils
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/06Wires; Strips; Foils
    • C25D7/0614Strips or foils
    • C25D7/0657Conducting rolls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/129Flame spraying
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12014All metal or with adjacent metals having metal particles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12014All metal or with adjacent metals having metal particles
    • Y10T428/12028Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12014All metal or with adjacent metals having metal particles
    • Y10T428/12028Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12146Nonmetal particles in a component
EP17753182.9A 2016-02-19 2017-02-14 Cermet powder, protective film-coated member and method for producing same Active EP3418421B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016030368 2016-02-19
PCT/JP2017/005385 WO2017141925A1 (en) 2016-02-19 2017-02-14 Cermet powder, protective film-coated member and method for producing same, and electroplating-bath roll and method for producing same

Publications (3)

Publication Number Publication Date
EP3418421A1 EP3418421A1 (en) 2018-12-26
EP3418421A4 true EP3418421A4 (en) 2018-12-26
EP3418421B1 EP3418421B1 (en) 2021-05-26

Family

ID=59625070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17753182.9A Active EP3418421B1 (en) 2016-02-19 2017-02-14 Cermet powder, protective film-coated member and method for producing same

Country Status (9)

Country Link
US (1) US20190032239A1 (en)
EP (1) EP3418421B1 (en)
JP (1) JP6232524B1 (en)
KR (1) KR102177464B1 (en)
CN (1) CN108699667B (en)
CO (1) CO2018009602A2 (en)
MY (1) MY186906A (en)
TW (1) TWI623624B (en)
WO (1) WO2017141925A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3748025A4 (en) * 2018-01-31 2021-10-27 Hitachi Metals, Ltd. Cemented carbide and cemented carbide composite roll for rolling
CN109536871A (en) * 2018-11-27 2019-03-29 广东省新材料研究所 The manufacturing method of delivery roll in lithium battery pole slice production
CN110724983B (en) * 2019-10-12 2022-02-08 天津大学 Method for preparing nano-copper-coated tungsten carbide core-shell structure powder by pulse electrodeposition
WO2021087133A1 (en) * 2019-11-01 2021-05-06 Exxonmobil Chemical Patents Inc. Bimetallic materials comprising cermets with improved metal dusting corrosion and abrasion/erosion resistance
CN117105673B (en) * 2023-10-24 2023-12-29 内蒙古工业大学 Aluminum nitride complex phase ceramic and preparation method thereof

Citations (4)

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US20070261767A1 (en) * 2006-05-12 2007-11-15 William John Crim Jarosinski Thermal spray coated work rolls for use in metal and metal alloy sheet manufacture
EP2551368A1 (en) * 2010-03-23 2013-01-30 Asahi Glass Company, Limited Sprayed coating of jig for producing glass sheet, and jig for producing glass sheet
WO2014057358A2 (en) * 2012-10-09 2014-04-17 Sandvik Intellectual Property Ab Low binder, wear resistant hard metal
EP2772562A1 (en) * 2011-10-25 2014-09-03 IHI Corporation Piston ring

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US4519840A (en) * 1983-10-28 1985-05-28 Union Carbide Corporation High strength, wear and corrosion resistant coatings
JP2728254B2 (en) 1988-02-03 1998-03-18 トーカロ株式会社 Method of manufacturing conductor roll
JP2661837B2 (en) 1992-04-22 1997-10-08 川崎製鉄株式会社 Conductor roll for electroplating and method for manufacturing the same
JP3430498B2 (en) * 1995-05-12 2003-07-28 住友金属鉱山株式会社 Corrosion- and wear-resistant self-fluxing alloy material for thermal spraying
JPH11131172A (en) * 1997-08-26 1999-05-18 Topy Ind Ltd Wear resistant alloy
JP2002088461A (en) * 2000-09-14 2002-03-27 Kawasaki Steel Corp Corrosion resisting roll
KR100762027B1 (en) 2001-05-17 2007-09-28 비오이 하이디스 테크놀로지 주식회사 method for etching electrode with 3 layer of Mo/Al/Mo
AU2002364962A1 (en) * 2001-12-05 2003-06-23 Baker Hughes Incorporated Consolidated hard materials, methods of manufacture, and applications
JP4561359B2 (en) * 2004-12-28 2010-10-13 Jfeスチール株式会社 Conductor roll
CN101443472A (en) * 2006-05-12 2009-05-27 普莱克斯S.T.技术有限公司 Thermal spray coated work rolls
WO2009060868A1 (en) * 2007-11-06 2009-05-14 Asahi Glass Co., Ltd. Roller for conveying float plate glass, process for producing the same, and process for producing float plate glass with the same
DE102011112435B3 (en) * 2011-09-06 2012-10-25 H.C. Starck Gmbh Cermet powder, process for producing a cermet powder, use of the cermet powder, process for producing a coated part, coated part
CN102586713A (en) * 2012-03-11 2012-07-18 赣州章源钨业新材料有限公司 Novel WC-Cr3C2-Ni thermal spraying powder and preparation process thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070261767A1 (en) * 2006-05-12 2007-11-15 William John Crim Jarosinski Thermal spray coated work rolls for use in metal and metal alloy sheet manufacture
EP2551368A1 (en) * 2010-03-23 2013-01-30 Asahi Glass Company, Limited Sprayed coating of jig for producing glass sheet, and jig for producing glass sheet
EP2772562A1 (en) * 2011-10-25 2014-09-03 IHI Corporation Piston ring
WO2014057358A2 (en) * 2012-10-09 2014-04-17 Sandvik Intellectual Property Ab Low binder, wear resistant hard metal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017141925A1 *

Also Published As

Publication number Publication date
JP6232524B1 (en) 2017-11-15
CO2018009602A2 (en) 2018-09-28
MY186906A (en) 2021-08-26
EP3418421B1 (en) 2021-05-26
US20190032239A1 (en) 2019-01-31
TW201734223A (en) 2017-10-01
TWI623624B (en) 2018-05-11
CN108699667A (en) 2018-10-23
EP3418421A1 (en) 2018-12-26
WO2017141925A1 (en) 2017-08-24
KR20180110110A (en) 2018-10-08
KR102177464B1 (en) 2020-11-11
JPWO2017141925A1 (en) 2018-02-22
CN108699667B (en) 2021-06-15

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