JP4073933B2 - 電磁波吸収体 - Google Patents

電磁波吸収体 Download PDF

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Publication number
JP4073933B2
JP4073933B2 JP2005285393A JP2005285393A JP4073933B2 JP 4073933 B2 JP4073933 B2 JP 4073933B2 JP 2005285393 A JP2005285393 A JP 2005285393A JP 2005285393 A JP2005285393 A JP 2005285393A JP 4073933 B2 JP4073933 B2 JP 4073933B2
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Japan
Prior art keywords
electromagnetic wave
pattern
layer
wave absorber
conductive
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 - Fee Related
Application number
JP2005285393A
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English (en)
Japanese (ja)
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JP2006128664A5 (https=
JP2006128664A (ja
Inventor
正人 松下
隆彦 吉田
東英 呉
好晴 清原
慎 前澤
真一 佐藤
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Nitta Corp
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Nitta Corp
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Priority to JP2005285393A priority Critical patent/JP4073933B2/ja
Publication of JP2006128664A publication Critical patent/JP2006128664A/ja
Publication of JP2006128664A5 publication Critical patent/JP2006128664A5/ja
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Publication of JP4073933B2 publication Critical patent/JP4073933B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Soft Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Aerials With Secondary Devices (AREA)
  • Hard Magnetic Materials (AREA)
JP2005285393A 2004-09-29 2005-09-29 電磁波吸収体 Expired - Fee Related JP4073933B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005285393A JP4073933B2 (ja) 2004-09-29 2005-09-29 電磁波吸収体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004284968 2004-09-29
JP2005285393A JP4073933B2 (ja) 2004-09-29 2005-09-29 電磁波吸収体

Publications (3)

Publication Number Publication Date
JP2006128664A JP2006128664A (ja) 2006-05-18
JP2006128664A5 JP2006128664A5 (https=) 2007-07-05
JP4073933B2 true JP4073933B2 (ja) 2008-04-09

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ID=36722958

Family Applications (1)

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JP2005285393A Expired - Fee Related JP4073933B2 (ja) 2004-09-29 2005-09-29 電磁波吸収体

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JP (1) JP4073933B2 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008047594A (ja) * 2006-08-11 2008-02-28 Mitsubishi Cable Ind Ltd 電波吸収体および電波遮蔽体
JP2008236705A (ja) * 2006-08-09 2008-10-02 Daido Steel Co Ltd 超広帯域通信用アンテナ
JP5121363B2 (ja) * 2006-09-14 2013-01-16 ニッタ株式会社 通信改善装置、通信システムおよび物品情報取扱設備
JP2008205447A (ja) * 2007-01-24 2008-09-04 Toray Ind Inc 電波吸収体
CN101231707A (zh) * 2007-01-25 2008-07-30 3M创新有限公司 电磁屏蔽装置
EP2144328B1 (en) * 2007-03-30 2017-11-01 Nitta Corporation Wireless communication improving sheet body, wireless ic tag and wireless communication system using the wireless communication improving sheet body and the wireless ic tag
JP5140348B2 (ja) * 2007-08-31 2013-02-06 ニッタ株式会社 電波吸収体、電波吸収パネル構造体、無線通信改善システム
EP2221918A4 (en) 2007-10-31 2012-07-11 Nitta Corp FOR WIRELESS COMMUNICATION IMPROVED FILM MATERIAL, WIRELESS IC LABEL AND SELF-MATERIAL AND LABEL USING WIRELESS COMMUNICATION SYSTEM
WO2009057335A1 (ja) * 2007-10-31 2009-05-07 Nitta Corporation 無線通信改善シート体、無線ｉｃタグ、アンテナおよびそれらを用いた無線通信システム
JP5304489B2 (ja) * 2009-07-01 2013-10-02 富士通株式会社 電波吸収体
KR101383658B1 (ko) * 2010-11-10 2014-04-10 한국기계연구원 유전성 손실 시트를 활용한 전자파 흡수체 및 이의 형성 방법
GB201112740D0 (en) 2011-07-25 2011-09-07 Qinetiq Ltd Radiation absorption
JP7321484B2 (ja) * 2018-07-04 2023-08-07 地方独立行政法人東京都立産業技術研究センター 電波吸収構造
CN112310651B (zh) * 2019-08-02 2025-01-24 深圳市环波科技有限责任公司 一种吸波结构
KR102424478B1 (ko) * 2020-10-20 2022-07-27 일진머티리얼즈 주식회사 방열부재 및 이를 포함한 무선통신기기
KR102518437B1 (ko) * 2020-11-19 2023-04-05 주식회사 볼트크리에이션 Metal의 Micro-patterning을 이용한 패러데이 케이지
CN114619718A (zh) * 2020-12-10 2022-06-14 南京航空航天大学 一种宽频吸波复合材料及其制备方法
KR102572146B1 (ko) * 2021-08-03 2023-08-30 주식회사 볼트크리에이션 전자파 차폐 시트 및 그 제조방법

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Publication number Publication date
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