JPH0225279B2 - - Google Patents
Info
- Publication number
- JPH0225279B2 JPH0225279B2 JP56055471A JP5547181A JPH0225279B2 JP H0225279 B2 JPH0225279 B2 JP H0225279B2 JP 56055471 A JP56055471 A JP 56055471A JP 5547181 A JP5547181 A JP 5547181A JP H0225279 B2 JPH0225279 B2 JP H0225279B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- radio wave
- layers
- coating
- wave absorbing
- 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.)
- Expired - Lifetime
Links
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Aerials With Secondary Devices (AREA)
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56055471A JPS57180206A (en) | 1981-04-13 | 1981-04-13 | Improvement in or relative to radio wave absorptive coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56055471A JPS57180206A (en) | 1981-04-13 | 1981-04-13 | Improvement in or relative to radio wave absorptive coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57180206A JPS57180206A (en) | 1982-11-06 |
| JPH0225279B2 true JPH0225279B2 (enrdf_load_stackoverflow) | 1990-06-01 |
Family
ID=12999513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56055471A Granted JPS57180206A (en) | 1981-04-13 | 1981-04-13 | Improvement in or relative to radio wave absorptive coating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57180206A (enrdf_load_stackoverflow) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0750645B2 (ja) * | 1985-06-05 | 1995-05-31 | ティーディーケイ株式会社 | 電磁シ−ルド材 |
| JPH07101786B2 (ja) * | 1987-02-18 | 1995-11-01 | テイカ株式会社 | 電磁波吸収材料 |
| JP3812977B2 (ja) * | 1996-09-30 | 2006-08-23 | Ｎｅｃトーキン株式会社 | 電磁干渉抑制体 |
| DE102005022473B4 (de) * | 2005-05-14 | 2007-05-24 | Forschungszentrum Karlsruhe Gmbh | Vorrichtung zur Dämpfung von Reflexionen elektromagnetischer Wellen, Verfahren zu ihrer Herstellung und ihre Verwendung |
| JP2010077198A (ja) * | 2008-09-24 | 2010-04-08 | Asahi Kasei E-Materials Corp | 樹脂組成物 |
| JP5653372B2 (ja) * | 2011-01-25 | 2015-01-14 | 三菱電機株式会社 | 電磁波シールド扉 |
| EP3490358B1 (en) * | 2016-07-22 | 2023-08-09 | Maxell, Ltd. | Electromagnetic absorber |
| EP3846184B1 (en) * | 2018-08-28 | 2024-10-09 | FUJIFILM Corporation | Powder mixture of magnetoplumbite-type hexagonal ferrite, method for producing the same, and radio wave absorber |
| CN112640008B (zh) | 2018-08-28 | 2023-11-28 | 富士胶片株式会社 | 磁铅石型六方晶铁氧体的粉体及其制造方法及电波吸收体 |
| WO2020230709A1 (ja) | 2019-05-14 | 2020-11-19 | 富士フイルム株式会社 | 電波吸収体 |
| WO2020230708A1 (ja) | 2019-05-14 | 2020-11-19 | 富士フイルム株式会社 | 電波吸収体 |
| WO2020230448A1 (ja) * | 2019-05-14 | 2020-11-19 | 富士フイルム株式会社 | 電波吸収体及びコンパウンド |
| JP7273953B2 (ja) | 2019-05-14 | 2023-05-15 | 富士フイルム株式会社 | 電波吸収体 |
| WO2021029247A1 (ja) * | 2019-08-09 | 2021-02-18 | 富士フイルム株式会社 | 電波吸収性組成物および電波吸収体 |
| WO2021029246A1 (ja) * | 2019-08-09 | 2021-02-18 | 富士フイルム株式会社 | 電波吸収性組成物および電波吸収体 |
| WO2021029249A1 (ja) * | 2019-08-09 | 2021-02-18 | 富士フイルム株式会社 | 電波吸収性組成物および電波吸収体 |
| WO2021029245A1 (ja) * | 2019-08-09 | 2021-02-18 | 富士フイルム株式会社 | 電波吸収性組成物および電波吸収体 |
| CN114223319A (zh) * | 2019-08-09 | 2022-03-22 | 富士胶片株式会社 | 电波吸收性组合物及电波吸收体 |
| JP7493933B2 (ja) * | 2019-12-17 | 2024-06-03 | 日東電工株式会社 | 磁性シートの製造方法 |
-
1981
- 1981-04-13 JP JP56055471A patent/JPS57180206A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57180206A (en) | 1982-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0225279B2 (enrdf_load_stackoverflow) | ||
| US4023174A (en) | Magnetic ceramic absorber | |
| US3938152A (en) | Magnetic absorbers | |
| Bueno et al. | Microwave-absorbing properties of Ni0. 50–xZn0. 50− xMe2xFe2O4 (Me= Cu, Mn, Mg) ferrite–wax composite in X-band frequencies | |
| Meshram et al. | Characterization of M-type barium hexagonal ferrite-based wide band microwave absorber | |
| Yusoff et al. | Microwave electromagnetic and absorption properties of some LiZn ferrites | |
| KR930011548B1 (ko) | 적층형 전파흡수체 | |
| Kim et al. | Microwave absorbing properties of Co-substituted Ni/sub 2/W hexaferrites in Ka-band frequencies (26.5-40 GHz) | |
| Feng et al. | Microwave absorption of M-type hexaferrite Ba1-xCaxFe12O19 (x≤ 0.4) ceramics in 2.6–18 GHz | |
| US5853889A (en) | Materials for electromagnetic wave absorption panels | |
| WO2020166628A1 (ja) | 回路基板、アンテナ素子、基板内蔵用ミリ波吸収体、及び、回路基板のノイズ低減方法 | |
| CN106332533A (zh) | 吸波超材料 | |
| Sözeri et al. | Microwave properties of BaFe11Mg2+ 0.25 X2+ 0.25 Ti4+ 0.25 O19 (X2+= Cu, Mn, Zn, Ni and Co) nanoparticles in 0–26.5 GHz range | |
| Choi et al. | Enhanced microwave absorption properties of Zn-substituted SrW-type hexaferrite composites in the Ku-band | |
| Kim et al. | Electromagnetic wave absorbing properties of high-permittivity ferroelectrics coated with ITO thin films of 377 Ω | |
| US6037046A (en) | Multi-component electromagnetic wave absorption panels | |
| EP0468887B1 (en) | High frequency broadband absorption structures | |
| JP3852619B2 (ja) | 電磁波吸収パネル及びその材料 | |
| KR20040089283A (ko) | 임피던스 저항막이 형성되어 전파흡수율이 향상된 전도성박막형 전파흡수체 | |
| RU2423761C1 (ru) | Способ получения многослойного радиопоглощающего материала и радиопоглощающий материал, полученный этим способом | |
| JPH0225280B2 (enrdf_load_stackoverflow) | ||
| Kaur et al. | A Review Based on Effects of Change in Thickness and Number of Layers on Microwave Absorbing Materials | |
| JP2729486B2 (ja) | 電波吸収体用ニッケル−亜鉛系フェライト材 | |
| JP2806528B2 (ja) | 電波吸収体用マグネシウム−亜鉛系フェライト材 | |
| Li et al. | Electromagnetic properties and impedance matching effect of flaky Fe–Si–Al/Co2Z ferrite composite |