CN116802937A - 电磁波屏蔽件 - Google Patents

电磁波屏蔽件 Download PDF

Info

Publication number
CN116802937A
CN116802937A CN202280011984.6A CN202280011984A CN116802937A CN 116802937 A CN116802937 A CN 116802937A CN 202280011984 A CN202280011984 A CN 202280011984A CN 116802937 A CN116802937 A CN 116802937A
Authority
CN
China
Prior art keywords
electromagnetic wave
wave shield
specific direction
recess
concave portion
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.)
Pending
Application number
CN202280011984.6A
Other languages
English (en)
Chinese (zh)
Inventor
松崎悠也
福家一浩
宇井丈裕
秋山京平
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of CN116802937A publication Critical patent/CN116802937A/zh
Pending legal-status Critical Current

Links

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/008—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with a particular shape
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
CN202280011984.6A 2021-08-05 2022-08-04 电磁波屏蔽件 Pending CN116802937A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021129338 2021-08-05
JP2021-129338 2021-08-05
PCT/JP2022/030030 WO2023013753A1 (ja) 2021-08-05 2022-08-04 電磁波シールド

Publications (1)

Publication Number Publication Date
CN116802937A true CN116802937A (zh) 2023-09-22

Family

ID=85155997

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280011984.6A Pending CN116802937A (zh) 2021-08-05 2022-08-04 电磁波屏蔽件

Country Status (6)

Country Link
US (1) US12185514B2 (cg-RX-API-DMAC7.html)
EP (1) EP4270655A4 (cg-RX-API-DMAC7.html)
JP (1) JPWO2023013753A1 (cg-RX-API-DMAC7.html)
KR (1) KR20240035375A (cg-RX-API-DMAC7.html)
CN (1) CN116802937A (cg-RX-API-DMAC7.html)
WO (1) WO2023013753A1 (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12553989B2 (en) * 2020-12-25 2026-02-17 Nitto Denko Corporation Radio wave scattering body, and member for attenuating radio waves comprising radio wave scattering body

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623099A (en) * 1969-12-17 1971-11-23 Kunihiro Suetake Superwide band wave absorber
JPS5148435B2 (cg-RX-API-DMAC7.html) 1971-03-11 1976-12-21
US5364493A (en) * 1993-05-06 1994-11-15 Litel Instruments Apparatus and process for the production of fine line metal traces
US6665119B1 (en) 2002-10-15 2003-12-16 Eastman Kodak Company Wire grid polarizer
JP5450169B2 (ja) 2009-03-06 2014-03-26 株式会社豊田中央研究所 車両のレーダ装置用カバー
JP6171277B2 (ja) * 2012-07-13 2017-08-02 株式会社デンソー レーダ装置
JP2015201986A (ja) * 2014-04-09 2015-11-12 株式会社オートネットワーク技術研究所 電磁シールド部材
JP6361544B2 (ja) * 2015-03-24 2018-07-25 株式会社オートネットワーク技術研究所 電磁シールド部材
KR101705973B1 (ko) * 2015-04-22 2017-02-13 연세대학교 산학협력단 유전체 전자기파 차폐막
DE112017004249T5 (de) 2016-09-26 2019-05-16 Panasonic Intellectual Property Management Co., Ltd. Harzzusammensetzung für Millimeterwellen-Reflexion; Harzfolie, die dieselbe verwendet, Faser und Artikel zur Millimeterwellen-Reflexion
JPWO2019132027A1 (ja) * 2017-12-28 2020-12-24 日東電工株式会社 電磁波吸収体、電磁波吸収体付物品、及び電磁波吸収体の製造方法
US11385325B2 (en) 2019-08-07 2022-07-12 Waymo Llc Corrugated radomes
EP3798676B1 (en) 2019-09-24 2025-08-27 Qualcomm Auto Ltd. A radar side-shield and a radar transceiver assembly
US12089385B2 (en) * 2020-12-16 2024-09-10 The United States Of America As Represented By The Secretary Of The Army Highly-conformal, pliable thin electromagnetic skin

Also Published As

Publication number Publication date
JPWO2023013753A1 (cg-RX-API-DMAC7.html) 2023-02-09
US20240164073A1 (en) 2024-05-16
WO2023013753A1 (ja) 2023-02-09
EP4270655A4 (en) 2024-12-04
US12185514B2 (en) 2024-12-31
EP4270655A1 (en) 2023-11-01
KR20240035375A (ko) 2024-03-15

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