JP7809916B2 - 積層シート - Google Patents

積層シート

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Publication number
JP7809916B2
JP7809916B2 JP2020564960A JP2020564960A JP7809916B2 JP 7809916 B2 JP7809916 B2 JP 7809916B2 JP 2020564960 A JP2020564960 A JP 2020564960A JP 2020564960 A JP2020564960 A JP 2020564960A JP 7809916 B2 JP7809916 B2 JP 7809916B2
Authority
JP
Japan
Prior art keywords
layer
laminate sheet
return loss
peak
sheet
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
Application number
JP2020564960A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021100566A1 (https=
JPWO2021100566A5 (https=
Inventor
久登 松居
秀旦 遠山
亘 合田
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of JPWO2021100566A1 publication Critical patent/JPWO2021100566A1/ja
Publication of JPWO2021100566A5 publication Critical patent/JPWO2021100566A5/ja
Application granted granted Critical
Publication of JP7809916B2 publication Critical patent/JP7809916B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B32B25/00Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/042Layered products comprising a layer of natural or synthetic rubber comprising rubber 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
    • B32B25/00Layered products comprising a layer of natural or synthetic rubber
    • B32B25/14Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
    • 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
    • B32B25/00Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • 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
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B7/022Mechanical 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
    • B32B7/02Physical, chemical or physicochemical properties
    • B32B7/025Electric or magnetic 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
    • 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
    • B32B2250/00Layers arrangement
    • B32B2250/055 or more layers
    • 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
    • B32B2250/00Layers arrangement
    • B32B2250/42Alternating layers, e.g. ABAB(C), AABBAABB(C)
    • 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
    • B32B2264/00Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10Inorganic particles
    • B32B2264/107Ceramic
    • B32B2264/108Carbon, e.g. graphite particles
    • 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
    • B32B2307/202Conductive
    • 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
    • B32B2307/206Insulating
    • 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
    • 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
    • B32B2307/70Other properties
    • B32B2307/726Permeability to liquids, absorption
    • 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
    • B32B2307/70Other properties
    • B32B2307/732Dimensional properties
    • 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
    • H05K9/0083Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Laminated Bodies (AREA)
JP2020564960A 2019-11-18 2020-11-11 積層シート Active JP7809916B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019207630 2019-11-18
JP2019207630 2019-11-18
PCT/JP2020/042010 WO2021100566A1 (ja) 2019-11-18 2020-11-11 積層シート

Publications (3)

Publication Number Publication Date
JPWO2021100566A1 JPWO2021100566A1 (https=) 2021-05-27
JPWO2021100566A5 JPWO2021100566A5 (https=) 2023-11-28
JP7809916B2 true JP7809916B2 (ja) 2026-02-03

Family

ID=75981270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020564960A Active JP7809916B2 (ja) 2019-11-18 2020-11-11 積層シート

Country Status (7)

Country Link
US (1) US12185518B2 (https=)
EP (1) EP4064811B1 (https=)
JP (1) JP7809916B2 (https=)
KR (1) KR20220100869A (https=)
CN (1) CN114731776B (https=)
TW (1) TWI862733B (https=)
WO (1) WO2021100566A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7739801B2 (ja) * 2020-07-14 2025-09-17 東レ株式会社 積層シート、電磁波抑制体、電機製品、通信機器、及び交通機関
EP4219159A1 (en) * 2022-01-26 2023-08-02 SHPP Global Technologies B.V. Molded parts with reduced microwave reflections and transmission
WO2023149404A1 (ja) * 2022-02-01 2023-08-10 積水化学工業株式会社 合わせガラス用中間膜、及び合わせガラス
JPWO2024181521A1 (https=) * 2023-02-28 2024-09-06
JP7570619B1 (ja) 2023-07-14 2024-10-22 artience株式会社 電磁波吸収体用熱可塑性樹脂組成物及び成形体
WO2025028488A1 (ja) * 2023-08-03 2025-02-06 マクセル株式会社 電磁波吸収体
KR102731742B1 (ko) * 2024-01-02 2024-11-19 주식회사 동광 유전율이 공기 수준으로 낮아 레이돔 성능이 우수한 동시에 기계적인 강도가 우수한 특성을 갖는 다공도의 수지 혼합물

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012099665A (ja) 2010-11-02 2012-05-24 Seiji Kagawa 電磁波吸収体
WO2014087883A1 (ja) 2012-12-03 2014-06-12 積水化学工業株式会社 電磁波遮蔽材及び電磁波遮蔽用積層体
WO2016203825A1 (ja) 2015-06-15 2016-12-22 Jx金属株式会社 電磁波シールド材

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JPH06889B2 (ja) * 1985-10-04 1994-01-05 東レ株式会社 ポリフエニレンサルフアイド樹脂組成物
US4738882A (en) * 1986-09-08 1988-04-19 Bemis Company, Inc. Static shielding sheet materials and bags formed therefrom
JPH11307987A (ja) * 1998-04-16 1999-11-05 Nippon Sheet Glass Co Ltd 電磁波フィルタ
JP2000059066A (ja) * 1998-08-10 2000-02-25 Mitsubishi Chemicals Corp 電波吸収体
JP2003158395A (ja) 2001-11-22 2003-05-30 Kansai Research Institute 電磁波吸収材料
JP2006114877A (ja) * 2004-09-15 2006-04-27 Suzuki Sogyo Co Ltd 電磁波吸収シート、電磁波吸収シート積層体及びそれらを用いた電磁波吸収性ハウジング
US7807264B2 (en) * 2007-09-19 2010-10-05 Chung Shan Institute Of Science And Technology, Armaments Bureau, M.N.D. Electromagnetic wave absorption material and manufacturing method thereof
CN101939669A (zh) 2007-10-30 2011-01-05 3M创新有限公司 用于光学显示滤光片的带电磁干扰屏蔽的多层堆叠光学带通膜
US10720698B2 (en) * 2014-12-09 2020-07-21 3M Innovative Properties Company System having a telecommunications element being concealed by a reflective structure comprising a polymer optical multilayer film
JP6707859B2 (ja) 2015-12-25 2020-06-10 日本ゼオン株式会社 電磁波吸収材料
WO2018180146A1 (ja) 2017-03-27 2018-10-04 東レ株式会社 半導体素子、相補型半導体装置、半導体素子の製造方法、無線通信装置および商品タグ
WO2019069758A1 (ja) * 2017-10-03 2019-04-11 東レ株式会社 積層フィルム
JP2019102665A (ja) 2017-12-04 2019-06-24 国立大学法人北海道大学 電磁波吸収体
CN108617160A (zh) * 2018-06-22 2018-10-02 四川大学 一种吸波材料及其制备方法
JP7000301B2 (ja) 2018-12-12 2022-01-19 日東電工株式会社 電磁波吸収体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012099665A (ja) 2010-11-02 2012-05-24 Seiji Kagawa 電磁波吸収体
WO2014087883A1 (ja) 2012-12-03 2014-06-12 積水化学工業株式会社 電磁波遮蔽材及び電磁波遮蔽用積層体
WO2016203825A1 (ja) 2015-06-15 2016-12-22 Jx金属株式会社 電磁波シールド材

Also Published As

Publication number Publication date
CN114731776B (zh) 2025-07-11
US20220408618A1 (en) 2022-12-22
TWI862733B (zh) 2024-11-21
JPWO2021100566A1 (https=) 2021-05-27
EP4064811B1 (en) 2026-03-18
WO2021100566A1 (ja) 2021-05-27
US12185518B2 (en) 2024-12-31
EP4064811A4 (en) 2023-12-13
CN114731776A (zh) 2022-07-08
EP4064811A1 (en) 2022-09-28
KR20220100869A (ko) 2022-07-18
TW202128417A (zh) 2021-08-01

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