JPWO2019193530A5 - - Google Patents
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- Publication number
- JPWO2019193530A5 JPWO2019193530A5 JP2020554444A JP2020554444A JPWO2019193530A5 JP WO2019193530 A5 JPWO2019193530 A5 JP WO2019193530A5 JP 2020554444 A JP2020554444 A JP 2020554444A JP 2020554444 A JP2020554444 A JP 2020554444A JP WO2019193530 A5 JPWO2019193530 A5 JP WO2019193530A5
- Authority
- JP
- Japan
- Prior art keywords
- layers
- perforation
- thickness
- dielectric constant
- layer
- 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
Links
- 239000010410 layer Substances 0.000 claims description 77
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 229910010272 inorganic material Inorganic materials 0.000 claims description 3
- 239000011147 inorganic material Substances 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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 JP2021520608A (ja) | 2021-08-19 |
| JP2021520608A5 JP2021520608A5 (https=) | 2022-04-12 |
| JPWO2019193530A5 true 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)
| 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 |
Family Cites Families (19)
| 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 |
| US5844523A (en) | 1996-02-29 | 1998-12-01 | Minnesota Mining And Manufacturing Company | Electrical and electromagnetic apparatuses using laminated structures having thermoplastic elastomeric and conductive layers |
| 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 |
| US20120070691A1 (en) * | 2010-09-20 | 2012-03-22 | Raytheon Company | Radio frequency transparent vapor barrier |
| EP2688380B1 (en) * | 2011-03-18 | 2017-12-20 | Kuang-Chi Innovative Technology Ltd. | Impedance matching component and hybrid wave-absorbing material |
| US9634398B2 (en) * | 2011-07-26 | 2017-04-25 | Kuang-Chi Innovative Technology Ltd. | Cassegrain satellite television antenna and satellite television receiving system thereof |
| IN2015DN01682A (https=) * | 2012-10-12 | 2015-07-03 | Dsm Ip Assets Bv | |
| US9722316B2 (en) * | 2014-07-07 | 2017-08-01 | Google Inc. | Horn lens antenna |
| JP6616653B2 (ja) * | 2014-12-03 | 2019-12-04 | 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 |
| 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 |
-
2019
- 2019-04-04 US US17/043,432 patent/US11811139B2/en active Active
- 2019-04-04 WO PCT/IB2019/052760 patent/WO2019193530A1/en not_active Ceased
- 2019-04-04 JP JP2020554444A patent/JP2021520608A/ja active Pending
- 2019-04-04 EP EP19723206.9A patent/EP3776729A1/en not_active Withdrawn
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