INVISIBLE ENCLOSURE

外国特許コード	F120006510
整理番号	S2010-0646-C0
掲載日	2012年5月7日
出願国	世界知的所有権機関（ＷＩＰＯ）
国際出願番号	2011JP057188
国際公開番号	WO 2011/118710
国際出願日	平成23年3月24日(2011.3.24)
国際公開日	平成23年9月29日(2011.9.29)
優先権データ	特願2010-073063 (2010.3.26) JP
発明の名称 （英語）	INVISIBLE ENCLOSURE
発明の概要（英語）	Provided is an invisible enclosure having a simple structure made of an ordinary medium material, and applicable to a greatly broader spectrum with a lower loss. The invisible enclosure comprises a cylindrical central enclosure (11) having a hollow portion (10) thereinside, and an outer frame body (2) made of a uniform material so that an object present in the hollow portion and the central enclosure itself are made almost invisible, wherein the central enclosure is formed by laminating a large number of cylindrical lamination films, each cylindrical film being formed by laminating a plurality of different types of materials having different dielectric constants in the radial direction. By adjusting the dielectric constant and the thickness in the radial direction in accordance with the radial value of the central enclosure, with respect to each layer of the lamination film, the effective dielectric constant value can be adjusted at each portion of the central enclosure. The radial direction component of a dielectric constant tensor is a value gradually increasing from the innermost periphery to the outermost periphery of the central enclosure in accordance with the radius, and is a predetermined value smaller than the dielectric constant of the outer frame body at the outermost periphery.
出願人（英語） ※2012年7月以前掲載分については米国以外のすべての指定国	Yamaguchi University
発明者（英語）	SANADA, Atsushi
国際特許分類(IPC)	H01Q  15/00      空中線から放射された電波を反射，屈折，回折または偏波するための装置，例．光学類似装置
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