JP2004103783A - Electromagnetic wave disturbance preventing material - Google Patents
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Abstract
Description
【０００１】
【発明の属する技術分野】
本発明は、２１世紀の公害といわれ、各種電子機器のみならず人体にも悪影響を及ぼす電磁波による障害を防止・軽減する電磁波障害防止材に係り、特に家庭、オフィス等における壁材、内装材あるいは各種電気機器、電子機器の外装材さらには自動車等の車輌における内装材等に用いて有用であり、人体にあたえる電磁波障害を効果的に防止・軽減することのできる電磁波障害防止材に関する。
【０００２】
【従来の技術】
昨今のエレクトロニクスの発展により、家庭、オフィス、あるいは自動車等人間を取り巻くあらゆる環境には多くの電磁波が存在しており、波長の短いエックス線やガンマ線などの放射線、紫外線や赤外線、波長の長いマイクロ波や超低周波などの電波が存在している。その中でも、ＯＡ機器、家電製品、携帯電話機などが発生源となるマイクロ波や超低周波の電磁波は、医療機器や各種精密機器等を誤作動させる等の悪影響を及ぼすことが判明している。一例としては郵政省の不要電波問題対策協議会が、携帯電話機を中心に医療機器や精密機械に対する影響の実体調査を行ったところ、Ｘ線診断装置、血圧計、輸液ポンプ、人工心肺装置などの６２％に影響が認められた。また、心臓用ペースメーカーにあっては、携帯電話機を５〜１０ｃｍの位置に近づけると変調を起こすといわれている。
【０００３】
この電磁波障害（ＥＭＩ）による影響が大きいことから、例えばＩＥＣ（国際標準化会議）におけるＣＩＳＰＲ（国際無線障害特別委員会）、アメリカにおけるＦＣＣ（連邦通信委員会）、ドイツにおけるＶＤＥ（ドイツ電気技術者協会）及び日本におけるＶＣＣＩ（情報処理装置等電波障害自主規制協議会）等によって、電磁波障害に対する規制が行われている。
尚、本件発明と同一発明者に係り、電磁波吸収消滅物質をシートに塗布し、シートの上にマウス滑走シートを貼着した電磁波障害マウスパッドとして特許第３３２８８８０号が存在する。
【０００４】
【発明が解決しようとする課題】
そして、スウェーデンのカロリンスカ研究所による高圧電線の近くに住む約５０万人について２５年間にわたって行った調査によると、小児白血病の発生率が通常の４倍も高いことが報告されていることからも、機器に対する電磁波障害のみならず、人体に対しても電磁波は大きな影響を与えていることがわかっている。また、ニューヨーク州の中央郵便局におけるコンピュータや変換器に囲まれて働いている職員の肺ガン発生率は全米平均の１００倍、電力会社の労働者の脳腫瘍の発生率は一般平均の１３倍というデータも報告されている。携帯電話機以外の電磁波発生源として、職場や家庭にはコンピュータ（ディスプレイ装置も含む）が多く普及している。このコンピュータを長時間操作していると、目の痛み・充血・疲れ、肩・腕・首筋の凝りや痛みなどの症状が現れる。これらの症状以外にも、電磁波による人体に対する障害としては、自律神経障害、目・耳・鼻等感覚障害、ガン・腫瘍、循環器系障害、突然変異、内分泌障害、筋肉・皮膚障害、内臓疾患なども予想され、さらに自然治癒力や免疫力などの生理機能の低下を招くおそれがある。
特に近年家庭内においても電子レンジ、ドライヤー、シェーバー、電気毛布、電気カーペット等電磁波の発生する機器類が多く存在するばかりか高圧電線、電車等外部から電磁波による影響も飛躍的に増加しており、パソコン、コピー機等、各種電気製品、電子機器類の多く存在するオフィス等にあっては電磁波による悪影響は尚更であることは言うまでもない。
また自動車・電車等の車輌内においてもその搭載機器類の電磁波による悪影響が運転者、乗員に及んでいることは言うまでもない。
しかしながら電磁波による悪影響を抜本的に解消する手段は従来皆無であった。
【０００５】
そこで、本発明にあっては、家庭、オフィス等の居住空間あるいはワークスペース等にあっても、あるいは自動車等の車輌室内にあっても内装材、壁材として本発明の電磁波障害防止材を用いることにより、さらには各種電気機器の外装材として本発明の電磁波障害防止材を用いることにより、好適に電磁波障害を防止・軽減することができ好適な居住空間、オフィス空間、車輌室内空間を実現することのできる電磁波障害防止材を提供することを目的とする。
【０００６】
【課題を解決するための手段】
前述の目的を達成するため、本発明の電磁波障害防止材は、トルマリンの微粉末と竹炭の微粉末を接着作用を有する結合剤に混入して形成した電磁波吸収消滅物質を不織布、紙等に塗布して形成した電磁波吸収消滅部材と、この電磁波吸収消滅部材一面に止着されてなる紙、布、木板、合成樹脂板、合成樹脂製シート等からなる化粧板部材と、電磁波吸収消滅部材他面に止着されてなる電磁波反射部材とからなることを特徴とするものである。
【０００７】
また、トルマリンは電極力値の高い良質のものを使用してなることを特徴とするものである。
【０００８】
また、竹炭は１０００℃以上で二度焼きしたものとすることを特徴とするものである。
【０００９】
また、結合剤をアクリル樹脂とアクリルスチレン樹脂を混合したエマルジョンとしたことを特徴とするものである。
【００１０】
また、電磁波反射部材をアルミ板、ステンレス板等の金属板としたことを特徴とするものである。
【００１１】
また、電磁波反射部材を紙や合成樹脂シートにアルミニウムを蒸着したシート体としたことを特徴とするものである。
【００１２】
【発明の実施の形態】
図１は本発明の電磁波障害防止材を示すものであり、１はトルマリンの微粉末と１０００℃以上で二度焼きした竹炭の微粉末を接着作用を有する結合剤に混入して形成した電磁波吸収消滅物質を吸収性を有する不織布、紙等に塗布してなる電磁波吸収消滅部材であり、一枚ないし複数枚積層されてなり室内あるいは室外よりの電磁波を吸収消滅する作用を発揮する。本実施例においては２枚積層されている。
２は化粧板部材であり、電磁波吸収消滅部材の一面に止着されてなり通常は紙、布、木板合成樹脂板、合成樹脂製シート等からなり、家庭、オフィス等の室内における壁面表面、自動車内部における表面、電気機器類の表面を構成する。
３は電磁波反射部材であり、電磁波吸収消滅部材１の他面に止着されてなり、アルミ板、ステンレス板等の金属板からなり、電磁波吸収消滅部材１で吸収消滅しきれない電磁波を反射し再度電磁波吸収消滅部材１に吸収消滅させるとともに、この内部４に位置する機器類等が存在する場合には、これに対し何等影響を与えない効果を発揮する。
また電磁波反射部材３としては、前記金属板以外にも紙や合成樹脂シートにアルミニウムを蒸着した銀ネーマー、アルミネーマーと称されるシート体を用いてもよい。
反射された電磁波が電磁波吸収消滅部材１に吸収消滅されず化粧板部材２を通って外部に出た時には、室内、車内等における相対向する面に存在する本発明の電磁波障害防止材の電磁波吸収消滅部材１に吸収されるものである。
また本発明に使用されるトルマリンは電極力価の高い良質ものを使用することが理想的である。
【００１３】
電磁波吸収消滅部材３の中のトルマリンは、以下の化学組成の一般式で現わされ、
ＷＸ３Ｂ３Ａｌ３（ＡｌＳｉ２Ｏ９）３（Ｏ，ＯＨ，Ｆ）４
（Ｗ＝Ｎａ，Ｃａ， Ｘ＝Ａｌ，Ｆｅ３＋，Ｌｉ，Ｍｇ，Ｍｎ２＋）
３配位のホウ素をもつシクロケイ酸塩鉱物で、多面体の結晶構造を有しており、多色性が顕著で美麗なものは宝石となり、別名電気石とも称されている。その名の由来は、結晶構造が結晶主軸の両端で互いに異なる形態を示す結晶構造、すなわち異極像で、この結晶主軸が極性を有することにより光、摩擦、圧力、温度、湿度等のエネルギーが印加されると容易に電気性を帯びる圧電性、焦電性が著しいことによるものである。
【００１４】
さらにトルマリンは、上記エネルギーを受けると電位を生じる以外に、マイナスイオンを発生させたり、人体にもっとも適した４〜１４μｍの遠赤外線を放射するものであり、またどんなに細かく粉砕してもその微粉末は多面体の結晶を維持して、表面積を大きくしている。この表面積が大きければ、電磁波エネルギーの吸収、そして遠赤外線の放射が良好となるものである。
【００１５】
電磁波吸収消滅部材１の中の竹炭としては、孟宗竹などの竹を１０００℃以上の高温で二度焼きしたものを粉砕し微粉末としたものを用いる。この竹炭は、多孔質な木炭よりもさらに多孔質で、その表面積は１グラムあたり約２００〜３００ｍ２もあることから、微小な物質等の吸着性や電磁波の吸収性に優れている。この竹炭の優れた吸着率を、吸着剤や触媒の吸着率の測定に用いられるＢＥＴ吸着法により測定すると、備長炭が２〜５ｍであるのに対し、１０００℃以上で二度焼きした竹炭は５０〜６０ｍと１０倍以上の吸着力があることが確認され、きわめて吸着効果が高いことが立証された。
【００１６】
バインダーは、アクリル樹脂とアクリルスチレン樹脂を混合したエマルジョンで、陰イオン系と非イオン系の物質を主とした混合液であり、ＰＨが３．０〜９．０としている。そして、電磁波を吸収するトルマリンの微粉末や竹炭の微粉末を単純に接着剤でシートに接着した場合には、これら電磁波吸収消滅物質が接着剤に覆われて電磁波に接することができず、所望する効果が得られないことがある。そこで本発明にあっては、バインダーを上記種類とするとともに、トルマリンの微粉末と竹炭の微粉末を結合剤に混入した状態で直流電気抵抗値が１０４〜１０８Ωｃｍとなるようにすることで、電磁波がバインダーを通して電磁波吸収消滅物質に吸収消滅されるようにするものである。さらに、バインダーとトルマリンの微粉末と竹炭の微粉末を上述した構成とすることで、シートに塗着される上記微粉末の耐久性及びシートの柔軟性が確保され、シートが堅くなり過ぎたり微粉末が剥がれる等の不具合が生じるおそれがなくなるものである。
【００１７】
以上述べましたように本発明における電磁波吸収消滅部材１は優れた電磁波吸収力があることは勿論のこと本発明にあっては電磁波反射部材３を備えていることから電磁波吸収消滅部材１に吸収消滅されなかった電磁波は反射され再び電磁波吸収消滅部材１にて吸収されるか、あるいは対向面に位置する電磁波吸収消滅部材に吸収される。
したがって内部の機器類に影響を及ぼされないことは勿論のこと家庭、オフィス内の電磁波、車内等の電磁波は完璧に吸収消滅されるという本発明特有の作用を発揮することができる。
また電磁波吸収消滅部材１を中間にして室内、あるいは車内の表面側には化粧板部材２が位置することから外面的には美麗な室内状態、車内状態からなる好適な外観を呈し、美感に何等の影響を与えることもない。
【００１８】
【発明の効果】
以上詳述の如く、本発明の電磁波障害防止材によれば、家庭あるいはオフィス等の壁材、内装材として用いた場合には内部に存在する各種電気製品あるいは電子機器類から発生する電磁波、あるいは高圧電線等外部から発生し家庭、オフィス内に侵入する電磁波等は完全に電磁波吸収消滅部材に吸収消滅されることから人体に与える種々の電磁波障害を完璧に防止することができ、好適な家庭環境、オフィス環境を実現できる。
同様に自動車等の車輌における内装材として使用しても電磁波による悪影響を受けることのない好適な車内環境を実現できる。
さらには各種電気製品の外装材に用いた場合も同様に、電磁波による悪影響を受け各種障害を発生させることなく、常時正常に機能するものである。
【００１９】
また電磁波反射部材の作用により、電磁波は内部に侵入し通過してしまうことなく完璧に遮断され、反射された電磁波は電磁波吸収消滅部材に再度吸収消滅されるか、吸収消滅しきれない電磁波は外部に出て室内、車内等における対向面の電磁波吸収消滅部材に吸収されるという本発明特有の効果を発揮することができる。
また化粧板部材が存在することから、電磁波吸収消滅部材が外面に露呈することなく、本発明の電磁波障害防止材を内装材、外装材として用いた場合でも好適な外観状態を呈することができるという本発明特有の効果を発揮することができる。
【図面の簡単な説明】
【図１】本発明の電磁波障害防止材を示す概略断面図である。
【符号の説明】
１ 電磁波吸収消滅部材
２ 化粧板部材
３ 電磁波反射部材
４ 内部[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an electromagnetic interference preventing material which is said to be a pollution in the 21st century and prevents and reduces electromagnetic interference that has an adverse effect not only on various electronic devices but also on the human body. The present invention relates to an electromagnetic interference preventing material that is useful as an exterior material for various electric and electronic devices and an interior material for vehicles such as automobiles, and that can effectively prevent and reduce electromagnetic interference to a human body.
[0002]
[Prior art]
With the recent development of electronics, there are many electromagnetic waves in every environment that surrounds humans, such as homes, offices, and automobiles.Radiation such as X-rays and gamma rays with short wavelengths, ultraviolet and infrared rays, microwaves with long wavelengths, There are radio waves such as very low frequencies. Among them, it has been found that microwaves and ultra-low frequency electromagnetic waves, which are generated by OA equipment, home appliances, mobile phones, etc., have adverse effects such as malfunctions of medical equipment and various precision equipment. As an example, the Ministry of Posts and Telecommunications' Council for Countermeasures for Unwanted Radio Waves conducted a substantive survey of the effects on medical equipment and precision machinery, mainly on mobile phones, and found that X-ray diagnostic equipment, blood pressure monitors, infusion pumps, cardiopulmonary bypass devices An effect was observed in 62%. Further, in the case of a cardiac pacemaker, it is said that modulation occurs when the mobile phone is moved closer to a position of 5 to 10 cm.
[0003]
Due to the great influence of this electromagnetic interference (EMI), for example, CISPR (International Special Committee on Radio Interference) at the IEC (International Standardization Council), FCC (Federal Communications Commission) in the United States, VDE (German Institute of Electrical Engineers) in Germany ) And VCCI (Voluntary Control Council for Interference from Information Processing Equipment) in Japan regulates electromagnetic interference.
Japanese Patent No. 3328880 discloses an electromagnetic interference mouse pad in which an electromagnetic wave absorbing and extinguishing substance is applied to a sheet, and a mouse sliding sheet is adhered on the sheet.
[0004]
[Problems to be solved by the invention]
And a 25-year survey of about 500,000 people living near high-voltage lines by the Karolinska Institute in Sweden reported that the incidence of childhood leukemia was four times higher than normal, It has been found that electromagnetic waves have a great effect not only on electromagnetic interference to equipment but also on the human body. In addition, lung cancer incidence among employees working around computers and converters at the Central Post Office in New York is 100 times the national average, and brain tumor incidence among power company workers is 13 times the general average. Data has also been reported. Computers (including display devices) are widely used in workplaces and homes as sources of electromagnetic waves other than mobile phones. If this computer is operated for a long time, symptoms such as eye pain, redness and fatigue, stiffness and pain in the shoulders, arms and neck muscles will appear. In addition to these symptoms, electromagnetic disturbances to the human body include autonomic nervous disorders, sensory disorders such as eyes, ears, and nose, cancer and tumors, circulatory disorders, mutations, endocrine disorders, muscle and skin disorders, and visceral disorders And the like, and there is a possibility that physiological functions such as natural healing power and immunity are reduced.
Especially in recent years, even in the home, there are many devices that generate electromagnetic waves such as microwave ovens, dryers, shavers, electric blankets, electric carpets, etc.In addition, the effects of electromagnetic waves from outside such as high voltage electric wires and trains are dramatically increasing, It goes without saying that the adverse effects of electromagnetic waves are even more serious in offices and the like where a large number of various electrical products and electronic devices such as personal computers and copiers exist.
Needless to say, even in vehicles such as automobiles and trains, the adverse effects of the electromagnetic waves of the mounted devices affect the driver and the occupant.
However, there has been no means for drastically eliminating the adverse effects of electromagnetic waves.
[0005]
Therefore, in the present invention, the electromagnetic interference prevention material of the present invention is used as an interior material and a wall material even in a living space or a work space such as a home or an office, or even in a vehicle such as an automobile. In addition, by using the electromagnetic interference preventing material of the present invention as an exterior material of various electric devices, it is possible to preferably prevent and reduce electromagnetic interference and realize a suitable living space, office space, and vehicle interior space. It is an object of the present invention to provide an electromagnetic interference preventing material that can be used.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the electromagnetic wave interference preventing material of the present invention is applied to a nonwoven fabric, paper, etc. by applying an electromagnetic wave absorbing and extinguishing substance formed by mixing a fine powder of tourmaline and a fine powder of bamboo charcoal into a binder having an adhesive action. The electromagnetic wave absorbing and extinguishing member formed as described above, a decorative plate member made of paper, cloth, wood board, synthetic resin plate, synthetic resin sheet, etc. fixed to one surface of the electromagnetic wave absorbing and extinguishing member, and the other surface of the electromagnetic wave absorbing and extinguishing member And an electromagnetic wave reflecting member fixed to the base member.
[0007]
In addition, tourmaline is characterized by using a high-quality tourmaline having a high electrode force value.
[0008]
The bamboo charcoal is characterized by being baked twice at 1000 ° C. or higher.
[0009]
Further, the binder is an emulsion in which an acrylic resin and an acrylic styrene resin are mixed.
[0010]
Further, the electromagnetic wave reflecting member is a metal plate such as an aluminum plate or a stainless steel plate.
[0011]
Further, the electromagnetic wave reflecting member is a sheet formed by depositing aluminum on paper or a synthetic resin sheet.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 shows an electromagnetic interference preventing material according to the present invention. Numeral 1 denotes electromagnetic wave absorption formed by mixing a fine powder of tourmaline and a fine powder of bamboo charcoal baked twice at 1000 ° C. or more in a binder having an adhesive action. An electromagnetic wave absorbing and extinguishing member formed by applying an extinguishing substance to a nonwoven fabric, paper or the like having absorptivity. One or more sheets are laminated and exhibit an effect of absorbing and extinguishing electromagnetic waves from inside or outside the room. In this embodiment, two sheets are stacked.
Reference numeral 2 denotes a decorative plate member which is fixed to one surface of the electromagnetic wave absorbing and annihilating member and is usually made of paper, cloth, wooden board synthetic resin plate, synthetic resin sheet, etc. It constitutes the surface inside and the surface of electrical equipment.
Reference numeral 3 denotes an electromagnetic wave reflecting member fixed to the other surface of the electromagnetic wave absorbing and extinguishing member 1 and made of a metal plate such as an aluminum plate or a stainless steel plate. The electromagnetic wave reflecting member 3 reflects electromagnetic waves that cannot be absorbed and eliminated by the electromagnetic wave absorbing and extinguishing member 1. The electromagnetic wave absorption and annihilation member 1 absorbs and annihilates the electromagnetic wave again, and when there are devices and the like located in the interior 4, the electromagnetic wave absorption and annihilation member 1 exerts no effect.
Further, as the electromagnetic wave reflecting member 3, a sheet member called a silver namer or an aluminum namer obtained by depositing aluminum on paper or a synthetic resin sheet may be used in addition to the metal plate.
When the reflected electromagnetic wave exits through the decorative plate member 2 without being absorbed and eliminated by the electromagnetic wave absorption and annihilation member 1, the electromagnetic wave absorption prevention material of the present invention present on the opposing surfaces in a room, a vehicle, or the like. It is absorbed by the annihilation member 1.
Ideally, tourmaline used in the present invention should be of high quality having a high electrode titer.
[0013]
The tourmaline in the electromagnetic wave absorption annihilation member 3 is represented by a general formula of the following chemical composition,
WX 3 B 3 Al 3 (AlSi 2 O 9 ) 3 (O, OH, F) 4
(W = Na, Ca, X = Al, Fe 3+ , Li, Mg, Mn 2+ )
A cyclosilicate mineral having three-coordinated boron and having a polyhedral crystal structure, and having a remarkable polychromaticity and being beautiful, is a jewel, and is also called an tourmaline. The origin of the name is that the crystal structure is a crystal structure showing different forms at both ends of the crystal main axis, that is, a heteropolar image, the energy of light, friction, pressure, temperature, humidity, etc. This is because the piezoelectricity and pyroelectricity, which easily take on electrical properties when applied, are remarkable.
[0014]
Furthermore, tourmaline generates a negative ion in addition to generating an electric potential upon receiving the above energy, and emits a far infrared ray of 4 to 14 μm, which is most suitable for the human body. Keeps polyhedral crystals and increases the surface area. If the surface area is large, the absorption of electromagnetic wave energy and the emission of far-infrared rays are improved.
[0015]
As the bamboo charcoal in the electromagnetic wave absorption and annihilation member 1, bamboo, such as Moso bamboo, which has been baked twice at a high temperature of 1000 ° C. or more and pulverized into fine powder is used. This bamboo charcoal is more porous than porous charcoal, and has a surface area of about 200 to 300 m 2 per gram, so that it is excellent in adsorbing fine substances and absorbing electromagnetic waves. When the excellent adsorption rate of this bamboo charcoal is measured by the BET adsorption method used for measuring the adsorption rate of adsorbents and catalysts, the length of Bincho charcoal is 2 to 5 m, whereas the bamboo charcoal baked twice at 1000 ° C or higher is It was confirmed that the adsorbing power was 50 to 60 m, which is 10 times or more, and it was proved that the adsorbing effect was extremely high.
[0016]
The binder is an emulsion in which an acrylic resin and an acrylic styrene resin are mixed, and is a mixed liquid mainly containing anionic and nonionic substances, and has a pH of 3.0 to 9.0. When fine powder of tourmaline or fine powder of bamboo charcoal that absorbs electromagnetic waves is simply adhered to the sheet with an adhesive, these electromagnetic wave absorbing and extinguishing substances are covered with the adhesive and cannot come into contact with the electromagnetic waves. May not be obtained. Therefore, in the present invention, the binder is of the above-mentioned type, and the DC electric resistance value is 10 4 to 10 8 Ωcm in a state where the fine powder of tourmaline and the fine powder of bamboo charcoal are mixed in the binder. Thus, the electromagnetic wave is absorbed and annihilated by the electromagnetic wave absorption annihilation substance through the binder. Furthermore, by using the above-described composition of the binder, the fine powder of tourmaline and the fine powder of bamboo charcoal, the durability of the fine powder applied to the sheet and the flexibility of the sheet are ensured, and the sheet becomes too hard or fine. This eliminates the possibility that problems such as peeling of the powder may occur.
[0017]
As described above, the electromagnetic wave absorbing and extinguishing member 1 according to the present invention has excellent electromagnetic wave absorbing power, and the electromagnetic wave absorbing and extinguishing member 1 according to the present invention has the electromagnetic wave reflecting member 3 so that it is absorbed by the electromagnetic wave absorbing and extinguishing member 1. The electromagnetic wave that has not been extinguished is reflected and absorbed again by the electromagnetic wave absorbing and extinguishing member 1, or is absorbed by the electromagnetic wave absorbing and extinguishing member located on the facing surface.
Therefore, it is possible to exert an effect peculiar to the present invention that electromagnetic waves in homes, offices, vehicles, and the like are completely absorbed and annihilated, as well as the internal devices are not affected.
In addition, since the decorative plate member 2 is located indoors or inside the vehicle with the electromagnetic wave absorbing / quenching member 1 in the middle, the exterior appearance has a beautiful appearance, which is a beautiful indoor state and a vehicle interior state. There is no effect.
[0018]
【The invention's effect】
As described in detail above, according to the electromagnetic interference preventing material of the present invention, a wall material for a home or office, when used as an interior material, an electromagnetic wave generated from various electric products or electronic devices present therein, or Electromagnetic waves generated from the outside, such as high-voltage electric wires, and entering the home or office are completely absorbed and annihilated by the electromagnetic wave absorption annihilation member, so that various types of electromagnetic interference that may be caused to the human body can be completely prevented. , Office environment can be realized.
Similarly, even when used as an interior material in a vehicle such as an automobile, a suitable in-vehicle environment that is not adversely affected by electromagnetic waves can be realized.
Similarly, when used as an exterior material for various electrical products, the electronic components always function normally without being affected by electromagnetic waves and causing various obstacles.
[0019]
In addition, due to the action of the electromagnetic wave reflecting member, the electromagnetic wave is completely blocked without entering and passing through the inside, and the reflected electromagnetic wave is absorbed again by the electromagnetic wave absorbing and annihilating member, or the electromagnetic wave that cannot be completely absorbed and absorbed is outside. , And is absorbed by the electromagnetic wave absorbing and extinguishing member on the opposing surface in the room, inside the vehicle, or the like, thereby exhibiting the effect unique to the present invention.
In addition, since the decorative plate member is present, the electromagnetic wave absorption and annihilation member is not exposed to the outer surface, and a preferable appearance state can be exhibited even when the electromagnetic wave interference preventing material of the present invention is used as an interior material or an exterior material. The effects unique to the present invention can be exhibited.
[Brief description of the drawings]
FIG. 1 is a schematic sectional view showing an electromagnetic interference preventing material of the present invention.
[Explanation of symbols]
1 electromagnetic wave absorbing and extinguishing member 2 decorative plate member 3 electromagnetic wave reflecting member 4 inside
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002262770A JP2004103783A (en) | 2002-09-09 | 2002-09-09 | Electromagnetic wave disturbance preventing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002262770A JP2004103783A (en) | 2002-09-09 | 2002-09-09 | Electromagnetic wave disturbance preventing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2004103783A true JP2004103783A (en) | 2004-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002262770A Pending JP2004103783A (en) | 2002-09-09 | 2002-09-09 | Electromagnetic wave disturbance preventing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004103783A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990201B (en) * | 2005-12-30 | 2010-05-05 | 财团法人工业技术研究院 | Bamboo charcoal with composite construction layer |
| WO2019077175A1 (en) * | 2017-10-19 | 2019-04-25 | Representaciones De Descanso, S.L. | Anti-electromagnetic-pollution connectable fabric |
-
2002
- 2002-09-09 JP JP2002262770A patent/JP2004103783A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990201B (en) * | 2005-12-30 | 2010-05-05 | 财团法人工业技术研究院 | Bamboo charcoal with composite construction layer |
| WO2019077175A1 (en) * | 2017-10-19 | 2019-04-25 | Representaciones De Descanso, S.L. | Anti-electromagnetic-pollution connectable fabric |
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