JP6991516B2 - セラミックス回路基板の製造方法 - Google Patents
セラミックス回路基板の製造方法 Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims description 85
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 159
- 239000002184 metal Substances 0.000 claims description 157
- 239000000843 powder Substances 0.000 claims description 73
- 239000000463 material Substances 0.000 claims description 57
- 239000002245 particle Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 37
- 229910052782 aluminium Inorganic materials 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 34
- 229910000838 Al alloy Inorganic materials 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 8
- 239000011777 magnesium Substances 0.000 claims description 8
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 7
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 description 20
- 238000012360 testing method Methods 0.000 description 20
- 239000007789 gas Substances 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000002923 metal particle Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229920006332 epoxy adhesive Polymers 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 238000005219 brazing Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000013001 point bending Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/14—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using spraying techniques to apply the conductive material, e.g. vapour evaporation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
- C23C24/085—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
- C23C24/085—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/087—Coating with metal alloys or metal elements only
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/381—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/382—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the metal
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/08—Treatments involving gases
- H05K2203/086—Using an inert gas
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- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Manufacturing Of Printed Wiring (AREA)
Description
(1)溶融アルミニウムをセラミックス基材に接触させ、冷却して両者の接合体を形成することと、形成されたアルミニウム層を機械研削してその厚みを整えることと、アルミニウム層をエッチングすることを含む溶湯法(例えば、特許文献1、2参照)
(2)アルミニウム箔又はアルミニウム合金箔をセラミックス基材にろう付けしてからエッチングする、ろう付け法(例えば、特許文献3参照)
全実施例及び全比較例において、窒化アルミニウム(AlN)基材(サイズ:10mm×10mm×0.635mmt、三点曲げ強度:500MPa、熱伝導率:150W/mK、純度:95%以上)、又は窒化ケイ素(Si3N4)基材(サイズ:10mm×10mm×0.635mmt、三点曲げ強度:700MPa、熱伝導率:70W/mK、純度:92%以上)を用いた。
窒化アルミニウム基材の表面の一部を鉄製のマスク材でマスキングした。そこに、アルミニウム粉体(東洋アルミニウム社製水アトマイズ粉、純度:99.7%、粒径:45μm以下)を用いたコールドスプレー法によって、縦3mm、横3mm、厚み300μmの金属層を形成した。コールドスプレー法による成膜は、作動ガスとして窒素を用い、粉体の温度を20℃、粉体の速度を300m/sとする条件で行った。
セラミックス基材、コールドスプレーにおけるアルミニウム粉体の温度及び速度を表1に示すように変更したことの他は実施例1と同様にして、試験体を得た。
窒化ケイ素基材の表面の一部を鉄製のマスク材でマスキングした。そこに、アルミニウム-マグネシウム合金粉体(高純度化学研究所社製ガスアトマイズ粉、マグネシウム含有量:3.0質量%、アルミニウム及びマグネシウム以外の不純物含有量:0.1質量%以下、粒径:45μm以下)を用いたコールドスプレー法によって、縦3mm、横3mm、厚み100μmの第一金属層を形成した。コールドスプレー法による成膜は、作動ガスとして窒素を用い、粉体の温度を20℃、粉体の速度を300m/sとする条件で行った。
セラミックス基材、第一金属層形成のための金属粉体、コールドスプレーにおける粉体の温度及び速度を表1に示すように変更したことの他は実施例7と同様にして、密着強度測定用の試験体を得た。実施例13~18では、アルミニウム-マグネシウム合金粉体(高純度化学研究所社製ガスアトマイズ粉、マグネシウム含有量:6.0質量%、アルミニウム及びマグネシウム以外の不純物含有量:0.1質量%以下、粒径:45μm以下)を第一金属層形成のために用いた。
セラミックス基材、第一金属層形成のための金属粉体、コールドスプレーにおける粉体の温度及び速度を表2に示すように変更したことの他は実施例1又は7と同様にして、密着強度測定用の試験体を作製した。
試験体が得られた実施例1~18、及び比較例1~6に関して、図4の方向Xに引っ張り荷重をかける試験を行い、試験体が破断したときの荷重を測定した。この荷重とその破断位置の断面積から密着強度を算出した。
良好な密着性を示した実施例1~18の試験体に関して、「180℃の環境に30分放置した後に-45℃の環境に30分放置」を1サイクルとして、1000サイクルのヒートサイクル試験を実施した。ヒートサイクル試験後においても金属層に剥離等の異常は発生しなかった。
Claims (6)
- セラミックス基材と、該セラミックス基材上に形成された、アルミニウム及び/又はアルミニウム合金を含む金属層と、を備える、セラミックス回路基板を製造する方法であって、当該方法が、
金属粉体を、10~270℃に加熱するとともに250~1050m/sの速度まで加速してから吹き付けることにより、前記セラミックス基材に接する前記金属層を形成させる工程と、
前記セラミックス基材及び該セラミックス基材上に形成された前記金属層を不活性ガス雰囲気下で加熱処理する工程と、
を備え、
前記金属粉体がアルミニウム粒子及び/又はアルミニウム合金粒子を含み、
前記金属層が第一金属層及び第二金属層を有し、
前記金属層を形成させる工程が、
前記アルミニウム合金粒子を含む金属粉体を、10~270℃に加熱するとともに250~1050m/sの速度まで加速してから前記セラミックス基材に吹き付けることにより、前記セラミックス基材上に前記第一金属層を形成させることと、
前記第一金属層に、前記アルミニウム粒子を含む金属粉体を、10~270℃に加熱するとともに250~1050m/sの速度まで加速してから吹き付けることにより、前記第一金属層上に前記第二金属層を形成させることと、
を含む、方法。 - 前記アルミニウム合金粒子がアルミニウム-マグネシウム合金粒子であり、前記アルミニウム-マグネシウム合金粒子におけるマグネシウムの含有量が、前記アルミニウム-マグネシウム合金粒子の質量に対して6.0質量%以下である、請求項1に記載の方法。
- 前記第一金属層の厚みが100μm以下である、請求項1又は2に記載の方法。
- 前記セラミックス基材及び前記金属層を不活性ガス雰囲気下で加熱処理する工程において、前記セラミックス基材及び前記金属層が400~600℃に加熱される、請求項1~3のいずれか一項に記載の方法。
- 前記金属粉体の平均粒径が10~70μmである、請求項1~4のいずれか一項に記載の方法。
- 前記金属層を形成させる工程において、前記セラミックス基材上にその表面の一部を覆うマスク材を配置することにより、前記セラミックス基材上にパターンを有する前記金属層を形成させる、請求項1~5のいずれか一項に記載の方法。
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US11512395B2 (en) * | 2018-08-10 | 2022-11-29 | Nhk Spring Co., Ltd. | Method of manufacturing laminate |
CN111867259A (zh) * | 2020-07-30 | 2020-10-30 | 南京凯泰化学科技有限公司 | 一种陶瓷覆铜板的制备方法 |
JP7186929B1 (ja) * | 2021-01-12 | 2022-12-09 | デンカ株式会社 | 積層体、及びその製造方法、並びに、パワーモジュール |
CN116426911A (zh) * | 2023-04-04 | 2023-07-14 | 东莞市精微新材料有限公司 | 一种直接敷铝陶瓷基板的制造方法 |
Citations (7)
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JP2006089290A (ja) | 2004-09-21 | 2006-04-06 | Sumitomo Electric Ind Ltd | メタライズ基板 |
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CN110168140A (zh) | 2019-08-23 |
JPWO2018135499A1 (ja) | 2019-12-12 |
EP3572555B1 (en) | 2021-03-03 |
CN110168140B (zh) | 2021-07-30 |
WO2018135499A1 (ja) | 2018-07-26 |
EP3572555A1 (en) | 2019-11-27 |
US20190364667A1 (en) | 2019-11-28 |
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