JP7808777B2 - 樹脂組成物、並びに、それを用いたプリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及び配線基板 - Google Patents
樹脂組成物、並びに、それを用いたプリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及び配線基板Info
- Publication number
- JP7808777B2 JP7808777B2 JP2022546175A JP2022546175A JP7808777B2 JP 7808777 B2 JP7808777 B2 JP 7808777B2 JP 2022546175 A JP2022546175 A JP 2022546175A JP 2022546175 A JP2022546175 A JP 2022546175A JP 7808777 B2 JP7808777 B2 JP 7808777B2
- Authority
- JP
- Japan
- Prior art keywords
- resin composition
- group
- resin
- styrene
- polyphenylene ether
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
- C08L71/126—Polyphenylene oxides modified by chemical after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/48—Polymers modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/48—Polymers modified by chemical after-treatment
- C08G65/485—Polyphenylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/244—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
-
- 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
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
-
- 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
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0373—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement containing additives, e.g. fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2371/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08J2371/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08J2371/12—Polyphenylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2425/02—Homopolymers or copolymers of hydrocarbons
- C08J2425/16—Homopolymers or copolymers of alkyl-substituted styrenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0366—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement reinforced, e.g. by fibres, fabrics
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0209—Inorganic, non-metallic particles
-
- 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
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Reinforced Plastic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2026000661A JP2026067886A (ja) | 2020-09-01 | 2026-01-06 | 樹脂組成物、並びに、それを用いたプリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及び配線基板 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020146564 | 2020-09-01 | ||
| JP2020146564 | 2020-09-01 | ||
| PCT/JP2021/028725 WO2022049965A1 (ja) | 2020-09-01 | 2021-08-03 | 樹脂組成物、並びに、それを用いたプリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及び配線基板 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2026000661A Division JP2026067886A (ja) | 2020-09-01 | 2026-01-06 | 樹脂組成物、並びに、それを用いたプリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及び配線基板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022049965A1 JPWO2022049965A1 (https=) | 2022-03-10 |
| JP7808777B2 true JP7808777B2 (ja) | 2026-01-30 |
Family
ID=80491994
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022546175A Active JP7808777B2 (ja) | 2020-09-01 | 2021-08-03 | 樹脂組成物、並びに、それを用いたプリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及び配線基板 |
| JP2026000661A Pending JP2026067886A (ja) | 2020-09-01 | 2026-01-06 | 樹脂組成物、並びに、それを用いたプリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及び配線基板 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2026000661A Pending JP2026067886A (ja) | 2020-09-01 | 2026-01-06 | 樹脂組成物、並びに、それを用いたプリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及び配線基板 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11905409B2 (https=) |
| JP (2) | JP7808777B2 (https=) |
| CN (1) | CN115916535A (https=) |
| WO (1) | WO2022049965A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113892153B (zh) * | 2019-07-09 | 2024-10-11 | 株式会社村田制作所 | 薄膜电容器以及薄膜电容器用薄膜 |
| WO2021261305A1 (ja) * | 2020-06-24 | 2021-12-30 | パナソニックIpマネジメント株式会社 | 樹脂組成物、プリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板及びプリント配線板 |
| US20230391939A1 (en) * | 2020-12-28 | 2023-12-07 | Showa Denko Materials Co., Ltd. | Resin composition, prepreg, laminated plate, resin film, printed wiring board, and semiconductor package |
| KR20240055726A (ko) * | 2021-09-14 | 2024-04-29 | 나믹스 가부시끼가이샤 | 수지 조성물과, 이를 사용한 프린트 배선 기판, 경화물, 프리프레그, 및 고주파용 전자 부품 |
| JP2024011655A (ja) * | 2022-07-15 | 2024-01-25 | 株式会社カネカ | 熱硬化性樹脂組成物、プリプレグ及び積層体 |
| CN119677789A (zh) * | 2022-08-09 | 2025-03-21 | 纳美仕有限公司 | 树脂组合物、以及使用其的固化物、预浸料、印刷布线基板和高频用电子部件 |
| WO2026014517A1 (ja) * | 2024-07-12 | 2026-01-15 | パナソニックIpマネジメント株式会社 | 樹脂組成物、樹脂フィルム、樹脂付きフィルム、樹脂付き金属箔、金属張積層板、及びプリント配線板 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004196958A (ja) | 2002-12-18 | 2004-07-15 | Asahi Kasei Corp | 架橋基含有籠状シルセスキオキサン化合物 |
| JP2008050467A (ja) | 2006-08-24 | 2008-03-06 | Nippon Kasei Chem Co Ltd | 架橋剤、架橋性エラストマー組成物およびその成形体、架橋性熱可塑性樹脂組成物およびその成形体 |
| JP2009203384A (ja) | 2008-02-28 | 2009-09-10 | Nippon Zeon Co Ltd | 架橋性樹脂組成物 |
| JP2013159624A (ja) | 2012-02-01 | 2013-08-19 | Unitika Ltd | 樹脂組成物およびそれからなる成形体 |
| JP2019172725A (ja) | 2018-03-27 | 2019-10-10 | 旭化成株式会社 | 樹脂組成物、プリプレグ、金属張積層板、及びプリント配線板 |
| US20190367727A1 (en) | 2018-06-04 | 2019-12-05 | Taiwan Union Technology Corporation | Resin composition, pre-preg, metal-clad laminate, and printed circuit board using the same |
| JP2020100759A (ja) | 2018-12-25 | 2020-07-02 | 京セラ株式会社 | 樹脂組成物、プリプレグ、金属張積層板および配線基板 |
| WO2020196718A1 (ja) | 2019-03-28 | 2020-10-01 | 四国化成工業株式会社 | 樹脂組成物及びその用途 |
| US20200377676A1 (en) | 2019-05-31 | 2020-12-03 | Taiwan Union Technology Corporation | Resin composition and uses of the same |
| WO2020262089A1 (ja) | 2019-06-27 | 2020-12-30 | パナソニックIpマネジメント株式会社 | 樹脂組成物、プリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板、及び配線板 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05295043A (ja) * | 1991-10-28 | 1993-11-09 | Nippon Kasei Chem Co Ltd | オレフィン重合体組成物の架橋方法 |
| JP6172520B2 (ja) | 2013-10-31 | 2017-08-02 | パナソニックIpマネジメント株式会社 | 樹脂組成物、プリプレグ、金属張積層板、及びプリント配線板 |
| CN106609031B (zh) * | 2015-10-22 | 2018-11-27 | 广东生益科技股份有限公司 | 一种聚苯醚树脂组合物以及含有它的预浸料、层压板和印制电路板 |
| KR102601823B1 (ko) * | 2017-12-28 | 2023-11-14 | 파나소닉 아이피 매니지먼트 가부시키가이샤 | 수지 조성물, 프리프레그, 수지 부착 필름, 수지 부착 금속박, 금속 클래드 적층판, 및 배선판 |
-
2021
- 2021-08-03 CN CN202180051212.0A patent/CN115916535A/zh active Pending
- 2021-08-03 WO PCT/JP2021/028725 patent/WO2022049965A1/ja not_active Ceased
- 2021-08-03 JP JP2022546175A patent/JP7808777B2/ja active Active
-
2023
- 2023-02-22 US US18/112,837 patent/US11905409B2/en active Active
-
2026
- 2026-01-06 JP JP2026000661A patent/JP2026067886A/ja active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004196958A (ja) | 2002-12-18 | 2004-07-15 | Asahi Kasei Corp | 架橋基含有籠状シルセスキオキサン化合物 |
| JP2008050467A (ja) | 2006-08-24 | 2008-03-06 | Nippon Kasei Chem Co Ltd | 架橋剤、架橋性エラストマー組成物およびその成形体、架橋性熱可塑性樹脂組成物およびその成形体 |
| JP2009203384A (ja) | 2008-02-28 | 2009-09-10 | Nippon Zeon Co Ltd | 架橋性樹脂組成物 |
| JP2013159624A (ja) | 2012-02-01 | 2013-08-19 | Unitika Ltd | 樹脂組成物およびそれからなる成形体 |
| JP2019172725A (ja) | 2018-03-27 | 2019-10-10 | 旭化成株式会社 | 樹脂組成物、プリプレグ、金属張積層板、及びプリント配線板 |
| US20190367727A1 (en) | 2018-06-04 | 2019-12-05 | Taiwan Union Technology Corporation | Resin composition, pre-preg, metal-clad laminate, and printed circuit board using the same |
| JP2020100759A (ja) | 2018-12-25 | 2020-07-02 | 京セラ株式会社 | 樹脂組成物、プリプレグ、金属張積層板および配線基板 |
| WO2020196718A1 (ja) | 2019-03-28 | 2020-10-01 | 四国化成工業株式会社 | 樹脂組成物及びその用途 |
| US20200377676A1 (en) | 2019-05-31 | 2020-12-03 | Taiwan Union Technology Corporation | Resin composition and uses of the same |
| WO2020262089A1 (ja) | 2019-06-27 | 2020-12-30 | パナソニックIpマネジメント株式会社 | 樹脂組成物、プリプレグ、樹脂付きフィルム、樹脂付き金属箔、金属張積層板、及び配線板 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2022049965A1 (https=) | 2022-03-10 |
| US20230193024A1 (en) | 2023-06-22 |
| CN115916535A (zh) | 2023-04-04 |
| JP2026067886A (ja) | 2026-04-21 |
| US11905409B2 (en) | 2024-02-20 |
| WO2022049965A1 (ja) | 2022-03-10 |
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