A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ELECTROMAGNETIC WAVE SHIELDING MATERIAL AND MANUFACTURING METHOD THEREOF
To provide an electromagnetic wave shielding material having a narrow band resonance frequency, which can easily change a resonance frequency and can selectively and accurately shield an electromagnetic wave of a specific frequency.SOLUTION: In a selective electromagnetic wave shielding material according to the present invention that selectively shields electromagnetic waves of a frequency x (GHz), on the surface of a base material having a relative permittivity εr, a plurality of conductive patterns having a closed loop and having an entire circumference L (mm) satisfying the following equation (1) are arranged without contacting each other.SELECTED DRAWING: Figure 1
【課題】狭帯域の共振周波数を有する電磁波遮蔽材であって、容易に共振周波数を変更することができ、特定の周波数の電磁波を選択的且つ精度良く遮蔽することができる、電磁波遮蔽材を提供する。【解決手段】本発明の選択的電磁波遮蔽材は、周波数ｘ（ＧＨｚ）の電磁波を選択的に遮蔽する電磁波遮蔽材であって、比誘電率εrの基材表面に、閉ループからなり、下記式（１）を満たす全周Ｌ（ｍｍ）を有する導電パターンの複数個が互いに接することなく配置されてなる。【数１】【選択図】図１
ELECTROMAGNETIC WAVE SHIELDING MATERIAL AND MANUFACTURING METHOD THEREOF
To provide an electromagnetic wave shielding material having a narrow band resonance frequency, which can easily change a resonance frequency and can selectively and accurately shield an electromagnetic wave of a specific frequency.SOLUTION: In a selective electromagnetic wave shielding material according to the present invention that selectively shields electromagnetic waves of a frequency x (GHz), on the surface of a base material having a relative permittivity εr, a plurality of conductive patterns having a closed loop and having an entire circumference L (mm) satisfying the following equation (1) are arranged without contacting each other.SELECTED DRAWING: Figure 1
【課題】狭帯域の共振周波数を有する電磁波遮蔽材であって、容易に共振周波数を変更することができ、特定の周波数の電磁波を選択的且つ精度良く遮蔽することができる、電磁波遮蔽材を提供する。【解決手段】本発明の選択的電磁波遮蔽材は、周波数ｘ（ＧＨｚ）の電磁波を選択的に遮蔽する電磁波遮蔽材であって、比誘電率εrの基材表面に、閉ループからなり、下記式（１）を満たす全周Ｌ（ｍｍ）を有する導電パターンの複数個が互いに接することなく配置されてなる。【数１】【選択図】図１
ELECTROMAGNETIC WAVE SHIELDING MATERIAL AND MANUFACTURING METHOD THEREOF
電磁波遮蔽材、及びその製造方法
KATANO HIROTOMO (author) / WATANABE TSUGUO (author) / UENO MASARU (author) / UEDA TAKASHI (author)
2021-08-10
Patent
Electronic Resource
Japanese
IPC:
H05K
PRINTED CIRCUITS
,
Gedruckte Schaltungen
/
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
/
H01P
WAVEGUIDES
,
Wellenleiter [Hohlleiter]
/
H01Q
Antennen
,
ANTENNAS, i.e. RADIO AERIALS
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