CN114731776B - 层叠片材 - Google Patents

层叠片材 Download PDF

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Publication number
CN114731776B
CN114731776B CN202080078535.4A CN202080078535A CN114731776B CN 114731776 B CN114731776 B CN 114731776B CN 202080078535 A CN202080078535 A CN 202080078535A CN 114731776 B CN114731776 B CN 114731776B
Authority
CN
China
Prior art keywords
layer
laminated sheet
reflection attenuation
electromagnetic wave
layers
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
CN202080078535.4A
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English (en)
Chinese (zh)
Other versions
CN114731776A (zh
Inventor
松居久登
远山秀旦
合田亘
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 CN114731776A publication Critical patent/CN114731776A/zh
Application granted granted Critical
Publication of CN114731776B publication Critical patent/CN114731776B/zh
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Classifications

    • 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
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered 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
    • B32B25/042—Layered 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
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
    • 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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • 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
    • B32B27/06—Layered 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
    • B32B27/08—Layered 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
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B7/00—Layered 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
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • 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
    • B32B7/00—Layered 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
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/025—Electric or magnetic properties
    • 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
    • B32B7/00—Layered 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
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/05—5 or more layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/42—Alternating layers, e.g. ABAB(C), AABBAABB(C)
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B32B2264/108—Carbon, e.g. graphite particles
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/202—Conductive
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/204—Di-electric
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/212—Electromagnetic interference shielding
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • 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
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083—Electromagnetic 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)
CN202080078535.4A 2019-11-18 2020-11-11 层叠片材 Active CN114731776B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019207630 2019-11-18
JP2019-207630 2019-11-18
PCT/JP2020/042010 WO2021100566A1 (ja) 2019-11-18 2020-11-11 積層シート

Publications (2)

Publication Number Publication Date
CN114731776A CN114731776A (zh) 2022-07-08
CN114731776B true CN114731776B (zh) 2025-07-11

Family

ID=75981270

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080078535.4A Active CN114731776B (zh) 2019-11-18 2020-11-11 层叠片材

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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000059066A (ja) * 1998-08-10 2000-02-25 Mitsubishi Chemicals Corp 電波吸収体
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
CN104541594A (zh) * 2012-12-03 2015-04-22 积水化学工业株式会社 电磁波屏蔽材料以及电磁波屏蔽用叠层体
CN108617160A (zh) * 2018-06-22 2018-10-02 四川大学 一种吸波材料及其制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2003158395A (ja) 2001-11-22 2003-05-30 Kansai Research Institute 電磁波吸収材料
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
JP5302287B2 (ja) * 2010-11-02 2013-10-02 清二 加川 電磁波吸収体
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
JP6379071B2 (ja) * 2015-06-15 2018-08-22 Ｊｘ金属株式会社 電磁波シールド材
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
JP7000301B2 (ja) 2018-12-12 2022-01-19 日東電工株式会社 電磁波吸収体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000059066A (ja) * 1998-08-10 2000-02-25 Mitsubishi Chemicals Corp 電波吸収体
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
CN104541594A (zh) * 2012-12-03 2015-04-22 积水化学工业株式会社 电磁波屏蔽材料以及电磁波屏蔽用叠层体
CN108617160A (zh) * 2018-06-22 2018-10-02 四川大学 一种吸波材料及其制备方法

Also Published As

Publication number Publication date
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
JP7809916B2 (ja) 2026-02-03
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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