JP6523562B2 - 電磁波吸収シート - Google Patents

電磁波吸収シート Download PDF

Info

Publication number
JP6523562B2
JP6523562B2 JP2018519068A JP2018519068A JP6523562B2 JP 6523562 B2 JP6523562 B2 JP 6523562B2 JP 2018519068 A JP2018519068 A JP 2018519068A JP 2018519068 A JP2018519068 A JP 2018519068A JP 6523562 B2 JP6523562 B2 JP 6523562B2
Authority
JP
Japan
Prior art keywords
electromagnetic wave
sheet
absorbing sheet
film
wave absorbing
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.)
Expired - Fee Related
Application number
JP2018519068A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2018088492A1 (ja
Inventor
将之 豊田
将之 豊田
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.)
Maxell Ltd
Original Assignee
Maxell Holdings 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 Maxell Holdings Ltd filed Critical Maxell Holdings Ltd
Publication of JPWO2018088492A1 publication Critical patent/JPWO2018088492A1/ja
Application granted granted Critical
Publication of JP6523562B2 publication Critical patent/JP6523562B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0081Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0088Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/06Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02Physical, chemical or physicochemical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16Homopolymers or copolymers or vinylidene fluoride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L65/00Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/10Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/26Polymeric coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/20Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/204Di-electric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/20Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/212Electromagnetic interference shielding
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2365/00Characterised by the use of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2425/00Characterised 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
    • C08J2425/02Homopolymers or copolymers of hydrocarbons
    • C08J2425/04Homopolymers or copolymers of styrene
    • C08J2425/08Copolymers of styrene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00Characterised 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 a halogen; Derivatives of such polymers
    • C08J2427/02Characterised 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/12Characterised 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2427/16Homopolymers or copolymers of vinylidene fluoride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2467/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/206Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Laminated Bodies (AREA)
  • Aerials With Secondary Devices (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP2018519068A 2016-11-10 2017-11-09 電磁波吸収シート Expired - Fee Related JP6523562B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016219994 2016-11-10
JP2016219994 2016-11-10
PCT/JP2017/040470 WO2018088492A1 (ja) 2016-11-10 2017-11-09 電磁波吸収シート

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2019084449A Division JP7102367B2 (ja) 2016-11-10 2019-04-25 電磁波吸収シート

Publications (2)

Publication Number Publication Date
JPWO2018088492A1 JPWO2018088492A1 (ja) 2018-11-22
JP6523562B2 true JP6523562B2 (ja) 2019-06-05

Family

ID=62110643

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2018519068A Expired - Fee Related JP6523562B2 (ja) 2016-11-10 2017-11-09 電磁波吸収シート
JP2019084449A Expired - Fee Related JP7102367B2 (ja) 2016-11-10 2019-04-25 電磁波吸収シート
JP2022109044A Active JP7311685B2 (ja) 2016-11-10 2022-07-06 電磁波吸収シート
JP2023111546A Active JP7591103B2 (ja) 2016-11-10 2023-07-06 電磁波吸収シート

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2019084449A Expired - Fee Related JP7102367B2 (ja) 2016-11-10 2019-04-25 電磁波吸収シート
JP2022109044A Active JP7311685B2 (ja) 2016-11-10 2022-07-06 電磁波吸収シート
JP2023111546A Active JP7591103B2 (ja) 2016-11-10 2023-07-06 電磁波吸収シート

Country Status (5)

Country Link
US (1) US20190373778A1 (https=)
EP (1) EP3541160B1 (https=)
JP (4) JP6523562B2 (https=)
CN (1) CN109923953A (https=)
WO (1) WO2018088492A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210144890A1 (en) * 2017-09-13 2021-05-13 Maxell Holdings, Ltd. Electromagnetic-wave absorbing sheet
US20200413578A1 (en) * 2018-06-07 2020-12-31 Maxell Holdings, Ltd. Electromagnetic wave absorption sheet
EP3860326A4 (en) 2018-09-25 2022-09-14 Sekisui Chemical Co., Ltd. ?/4 TYPE RADIO WAVE ABSORBER
JP7256036B2 (ja) * 2019-03-05 2023-04-11 出光興産株式会社 電磁波吸収シート及びその製造方法
CN110267513A (zh) * 2019-07-12 2019-09-20 佛山市中研非晶科技股份有限公司 一种可屏蔽电磁辐射的贴件
JP7547209B2 (ja) * 2019-09-25 2024-09-09 積水化学工業株式会社 λ/4型電波吸収体
CN111440550A (zh) * 2020-05-11 2020-07-24 深圳同兴达科技股份有限公司 一种导电胶带及其制备方法
JPWO2021246438A1 (https=) * 2020-06-02 2021-12-09
JP7323708B2 (ja) * 2020-12-17 2023-08-08 凸版印刷株式会社 反射型の電磁波吸収体
WO2022158562A1 (ja) 2021-01-22 2022-07-28 マクセル株式会社 電波吸収体、および電波吸収体の製造方法
JP2023132076A (ja) * 2022-03-10 2023-09-22 国立研究開発法人情報通信研究機構 電波吸収体
JP2023132077A (ja) * 2022-03-10 2023-09-22 国立研究開発法人情報通信研究機構 電波反射体

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63283195A (ja) * 1987-05-15 1988-11-21 Bridgestone Corp 電波吸収体
JPH05335832A (ja) 1991-12-24 1993-12-17 Tdk Corp 電波吸収体
JPH08307088A (ja) * 1995-04-27 1996-11-22 C I Kasei Co Ltd 電波吸収体
JPH09232787A (ja) * 1996-02-27 1997-09-05 Tosoh Corp 電波吸収体
JP2003174280A (ja) 2001-12-07 2003-06-20 Hitachi Metals Ltd 電磁波吸収体およびその製造方法ならびに電子機器
WO2004113441A1 (ja) * 2003-06-18 2004-12-29 Shin-Etsu Polymer Co., Ltd. 導電性組成物、導電性塗料、導電性樹脂、コンデンサ、光電変換素子、およびその製造方法
JP2006120836A (ja) * 2004-10-21 2006-05-11 Oji Tac Hanbai Kk 電波吸収体用積層体および電波吸収体
JPWO2007058119A1 (ja) * 2005-11-16 2009-04-30 ナガセケムテックス株式会社 導電性樹脂組成物、それを用いてなる導電性フィルム、及びそれを用いてなる抵抗膜式スイッチ
JP5872872B2 (ja) * 2011-12-12 2016-03-01 Necトーキン株式会社 導電性高分子組成物の製造方法、導電性高分子材料の製造方法、導電性基材の製造方法、電極の製造方法および固体電解コンデンサの製造方法
JP6157056B2 (ja) * 2012-03-12 2017-07-05 日立マクセル株式会社 透明導電性コーティング組成物、透明導電性シート、及び透明導電性シートの製造方法
JP6063631B2 (ja) * 2012-03-26 2017-01-18 日東電工株式会社 電磁波吸収体及び電磁波吸収体の製造方法
JP6130181B2 (ja) * 2013-03-25 2017-05-17 国立大学法人名古屋大学 導電性高分子組成物及び導電体
JP2015173010A (ja) * 2014-03-11 2015-10-01 日立マクセル株式会社 透明導電パターンの製造方法及び透明導電性シート
JP6325364B2 (ja) * 2014-06-18 2018-05-16 マクセルホールディングス株式会社 透明導電性コーティング組成物、透明導電性シート及びその製造方法、並びに透明導電パターン形成方法
TWI631889B (zh) * 2014-12-27 2018-08-01 中原大學 Electromagnetic wave shielding composite film

Also Published As

Publication number Publication date
JP7311685B2 (ja) 2023-07-19
JP7102367B2 (ja) 2022-07-19
JP2022140454A (ja) 2022-09-26
EP3541160B1 (en) 2025-03-19
WO2018088492A1 (ja) 2018-05-17
JPWO2018088492A1 (ja) 2018-11-22
EP3541160A4 (en) 2020-07-08
JP7591103B2 (ja) 2024-11-27
JP2019140404A (ja) 2019-08-22
JP2023133310A (ja) 2023-09-22
US20190373778A1 (en) 2019-12-05
CN109923953A (zh) 2019-06-21
EP3541160A1 (en) 2019-09-18

Similar Documents

Publication Publication Date Title
JP6523562B2 (ja) 電磁波吸収シート
JP6523563B2 (ja) 電磁波吸収シート
JP7296955B2 (ja) 電磁波吸収シート
WO2019054378A1 (ja) 電磁波吸収シート
US20250183545A1 (en) Radio wave reflector
JP7798807B2 (ja) 電波吸収体、および電波吸収体の製造方法
JP7687903B2 (ja) 電波吸収体、および電波吸収体の製造方法
JPWO2022158562A5 (https=)
US20230202143A1 (en) Organic conductive film production method, organic conductive film, and laminate
JP2017037760A (ja) 透明導電性基板及びその製造方法、並びにその透明導電性基板を用いたタッチパネル
WO2025105332A1 (ja) 電磁波吸収シート
JP2023132076A (ja) 電波吸収体

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180730

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20180730

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20181004

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20181004

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20181030

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20181106

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20181227

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190304

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20190402

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20190425

R150 Certificate of patent or registration of utility model

Ref document number: 6523562

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

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

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees