JP2021520608A - 勾配誘電率フィルム - Google Patents

勾配誘電率フィルム Download PDF

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Publication number
JP2021520608A
JP2021520608A JP2020554444A JP2020554444A JP2021520608A JP 2021520608 A JP2021520608 A JP 2021520608A JP 2020554444 A JP2020554444 A JP 2020554444A JP 2020554444 A JP2020554444 A JP 2020554444A JP 2021520608 A JP2021520608 A JP 2021520608A
Authority
JP
Japan
Prior art keywords
layers
layer
dielectric constant
gradient dielectric
perforated
Prior art date
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Pending
Application number
JP2020554444A
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English (en)
Japanese (ja)
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JP2021520608A5 (https=
JPWO2019193530A5 (https=
Inventor
キム，ジェウォン
ジェイ． エツコーン，スティーブン
ジェイ． エツコーン，スティーブン
ディー． ジェスメ，ロナルド
ディー． ジェスメ，ロナルド
ゴーシュ，ディパンカー
サレヒ，モフセン
ドゥ，グワーンレイ
エー． ウィートリー，ジョン
エー． ウィートリー，ジョン
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of JP2021520608A publication Critical patent/JP2021520608A/ja
Publication of JP2021520608A5 publication Critical patent/JP2021520608A5/ja
Publication of JPWO2019193530A5 publication Critical patent/JPWO2019193530A5/ja
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/10—Refracting or diffracting devices, e.g. lens, prism comprising three-dimensional [3D] array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Laminated Bodies (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Inorganic Insulating Materials (AREA)
  • Details Of Aerials (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Adhesive Tapes (AREA)
JP2020554444A 2018-04-06 2019-04-04 勾配誘電率フィルム Pending JP2021520608A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862654137P 2018-04-06 2018-04-06
US62/654,137 2018-04-06
PCT/IB2019/052760 WO2019193530A1 (en) 2018-04-06 2019-04-04 Gradient permittivity film

Publications (3)

Publication Number Publication Date
JP2021520608A true JP2021520608A (ja) 2021-08-19
JP2021520608A5 JP2021520608A5 (https=) 2022-04-12
JPWO2019193530A5 JPWO2019193530A5 (https=) 2022-04-12

Family

ID=66476675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020554444A Pending JP2021520608A (ja) 2018-04-06 2019-04-04 勾配誘電率フィルム

Country Status (4)

Country Link
US (1) US11811139B2 (https=)
EP (1) EP3776729A1 (https=)
JP (1) JP2021520608A (https=)
WO (1) WO2019193530A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3776730B1 (en) * 2018-04-06 2025-05-28 3M Innovative Properties Company Gradient permittivity film
US11637367B2 (en) 2018-04-06 2023-04-25 3M Innovative Properties Company Gradient permittivity film
SE544804C2 (en) * 2020-09-25 2022-11-22 Saab Ab Gradient structure for transmitting and/or reflecting an electromagnetic signal
CN113013636A (zh) * 2021-02-25 2021-06-22 电子科技大学 一种基于复合材料的阶梯式宽带雷达吸波结构
US12394911B2 (en) 2021-04-08 2025-08-19 3M Innovative Properties Company Anti-reflective assemblies
CN116613540A (zh) * 2023-05-24 2023-08-18 广州司南技术有限公司 一种具有匹配层的聚焦透镜

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107655A (en) * 1978-02-13 1979-08-23 Nippon Telegr & Teleph Corp <Ntt> Radome for antenna installed indoor
JP2000506329A (ja) * 1996-02-29 2000-05-23 ミネソタ マイニング アンド マニュファクチャリング カンパニー 熱可塑性エラストマおよび導電層を有する積層構造を採用する電気および電磁装置
US20120070691A1 (en) * 2010-09-20 2012-03-22 Raytheon Company Radio frequency transparent vapor barrier
US20120326800A1 (en) * 2011-03-18 2012-12-27 Ruopeng Liu Impedance Matching Component and Hybrid Wave-Absorbing Material
JP2016502633A (ja) * 2012-10-12 2016-01-28 ディーエスエム アイピー アセッツ ビー．ブイ． 複合防弾性レドーム壁およびその製造方法
JP2016111341A (ja) * 2014-12-03 2016-06-20 国立大学法人 東京大学 電磁波吸収体及び膜形成用ペースト

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1622221A1 (en) * 2004-02-11 2006-02-01 Sony Deutschland GmbH Circular polarised array antenna
US7463214B2 (en) * 2007-03-30 2008-12-09 Itt Manufacturing Enterprises, Inc. Method and apparatus for steering radio frequency beams utilizing photonic crystal structures
US9634398B2 (en) * 2011-07-26 2017-04-25 Kuang-Chi Innovative Technology Ltd. Cassegrain satellite television antenna and satellite television receiving system thereof
US9722316B2 (en) * 2014-07-07 2017-08-01 Google Inc. Horn lens antenna
EP3029771B1 (en) 2014-12-03 2019-10-16 The University of Tokyo Electromagnetic wave absorber and film forming paste
JP6363528B2 (ja) 2015-02-09 2018-07-25 株式会社デンソー レーダ装置搭載構造
US10361476B2 (en) * 2015-05-26 2019-07-23 Qualcomm Incorporated Antenna structures for wireless communications
CN205685919U (zh) * 2016-05-31 2016-11-16 江苏骏源新材料有限公司 一种90°r角蜂窝夹层结构复合板的制造工装
US10644391B2 (en) * 2017-12-19 2020-05-05 The Boeing Company Cavity antenna with radome
JP7137330B2 (ja) * 2018-03-20 2022-09-14 株式会社東芝 アンテナ装置
US11135763B2 (en) * 2018-05-02 2021-10-05 Northrop Grumman Systems Corporation Assemblies formed by additive manufacturing, radar absorbing structures, and related methods
US11345781B2 (en) * 2018-07-23 2022-05-31 Stratasys, Inc. Methods for additive manufacturing of radiation shielding parts
US12191558B2 (en) * 2021-11-30 2025-01-07 Samsung Electronics Co., Ltd. Electronic device including antenna

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107655A (en) * 1978-02-13 1979-08-23 Nippon Telegr & Teleph Corp <Ntt> Radome for antenna installed indoor
JP2000506329A (ja) * 1996-02-29 2000-05-23 ミネソタ マイニング アンド マニュファクチャリング カンパニー 熱可塑性エラストマおよび導電層を有する積層構造を採用する電気および電磁装置
US20120070691A1 (en) * 2010-09-20 2012-03-22 Raytheon Company Radio frequency transparent vapor barrier
US20120326800A1 (en) * 2011-03-18 2012-12-27 Ruopeng Liu Impedance Matching Component and Hybrid Wave-Absorbing Material
JP2016502633A (ja) * 2012-10-12 2016-01-28 ディーエスエム アイピー アセッツ ビー．ブイ． 複合防弾性レドーム壁およびその製造方法
JP2016111341A (ja) * 2014-12-03 2016-06-20 国立大学法人 東京大学 電磁波吸収体及び膜形成用ペースト

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MARK S. MIROTZNIK ET AL: ""Broadband Antireflective Properties of Inverse Motheye Surfaces."", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. vol.58, No.9,(2010), JPN6022051435, pages 2969 - 2980, ISSN: 0005086949 *

Also Published As

Publication number Publication date
EP3776729A1 (en) 2021-02-17
US20210021050A1 (en) 2021-01-21
WO2019193530A1 (en) 2019-10-10
US11811139B2 (en) 2023-11-07

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