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
- 238000000576 coating method Methods 0.000 claims description 93
- 239000011248 coating agent Substances 0.000 claims description 86
- 230000005291 magnetic effect Effects 0.000 claims description 54
- 230000035699 permeability Effects 0.000 claims description 40
- 230000005293 ferrimagnetic effect Effects 0.000 claims description 38
- 229910000859 α-Fe Inorganic materials 0.000 claims description 17
- 239000002902 ferrimagnetic material Substances 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 2
- 230000000644 propagated effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 105
- 239000000463 material Substances 0.000 description 46
- 238000010521 absorption reaction Methods 0.000 description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000006467 substitution reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000001066 destructive effect Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- -1 iron ion Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical class [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000008240 homogeneous mixture Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Aerials With Secondary Devices (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 (de) | 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 (de) |
Families Citing this family (14)
| 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 |
| WO2018016522A1 (ja) * | 2016-07-22 | 2018-01-25 | マクセルホールディングス株式会社 | 電磁波吸収体 |
| EP3846184B1 (de) * | 2018-08-28 | 2024-10-09 | FUJIFILM Corporation | Pulvermischung aus hexagonalem magnetoplumbitferrit, verfahren zur seiner herstellung und funkwellenabsorber |
| KR102558678B1 (ko) * | 2019-05-14 | 2023-07-24 | 후지필름 가부시키가이샤 | 전파 흡수체 및 콤파운드 |
| JPWO2021029247A1 (de) * | 2019-08-09 | 2021-02-18 | ||
| 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 |
| JP7473555B2 (ja) * | 2019-08-09 | 2024-04-23 | 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 |
| CN114271041B (zh) * | 2019-08-09 | 2024-08-13 | 富士胶片株式会社 | 电波吸收性组合物及电波吸收体 |
| JPWO2021029249A1 (de) * | 2019-08-09 | 2021-02-18 |
-
1981
- 1981-04-13 JP JP56055471A patent/JPS57180206A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57180206A (en) | 1982-11-06 |
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