JP5271714B2 - Ebg構造体、アンテナ装置、rfidタグ、ノイズフィルタ、ノイズ吸収シート及びノイズ吸収機能付き配線基板 - Google Patents
Ebg構造体、アンテナ装置、rfidタグ、ノイズフィルタ、ノイズ吸収シート及びノイズ吸収機能付き配線基板 Download PDFInfo
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Description
2 アンテナ支持層
3 アンテナ素子
4 IC
5 シールド支持層
6 シールド層
10 グランド層
20、21 磁性体層
30 ビア
40 トップ層
50 誘電体層
60 浮遊キャパシタ層
Yoshida, J. Magn. Magn. Mater., 278, 256 (2004))。
ρv =ρs×t
ここで、t(単位:cm)は膜厚を示す。ρsは、その値が104Ω/sq以下の場合には4探針法(定電流印加方式、JIS K 7194)により、104Ω/sq以上の場合には二重リング方式(定電圧印加・漏洩電流測定方式、JIS K 6911)により、それぞれ測定した。測定結果も併せて下記表1に示す。なお、膜の酸素量については、フェライト組成M3O4(M:金属元素)によって決まるが、酸素欠陥または酸素過剰を許容する。
Claims (11)
- 単位構造を周期的に連結してなる構造体であって当該構造体の主面に対して直交する方向から当該構造体を見た場合には特定の周波数帯域に対して高い表面インピーダンスを呈すると共に、前記主面に平行な方向から当該構造体を見た場合には所定の周波数帯域に属する信号・ノイズの透過を阻止するEBG(Electromagnetic Bandgap)構造体において、
磁性体部と、導電体層と、誘電体層とを含んでおり、
前記磁性体部は、前記導電体層に接触形成されており、
前記誘電体層は、前記磁性体部とは別体であり、且つ、前記導電体層と接触している又は前記導電体層との間に前記磁性体部を介在させており、
前記導電体層はベタパターンを有しており且つグランド層を構成しており、
前記磁性体部は、前記グランド層上に形成されており、
前記EBG構造体は、前記グランド層から垂直に延びるビアと、前記ビアにより前記グランド層と結合された導電体からなるトップ層と、前記誘電体層内にフローティング状態で保持された導電体からなる浮遊キャパシタ層とを更に備えており、
前記誘電体層は、前記トップ層と前記磁性体部との間に満たされている
EBG構造体。 - 前記磁性体部は、磁性体粉末と樹脂バインダとからなる複合磁性体層である、請求項1記載のEBG構造体。
- 前記複合磁性体層は、前記導電体層からなる前記グランド層の上面上及び下面上の双方に形成されている、請求項2記載のEBG構造体。
- 高表面インピーダンスを呈する第1の主面と該第1の主面の反対の面である第2の主面とを有するシート状又は板状に形成されてなる、請求項1乃至請求項3のいずれかに記載のEBG構造体。
- 請求項4記載のEBG構造体と、前記第1の主面上に形成された誘電体からなるアンテナ支持層と、該アンテナ支持層により支持されたアンテナ素子とを備えるアンテナ装置。
- 前記第2の主面上に形成された誘電体からなるシールド支持層と、該シールド支持層により支持されたベタパターンの導電体からなるシールド層とを更に備える、請求項5記載のアンテナ装置。
- 請求項5又は請求項6記載のアンテナ装置と、前記アンテナ支持層上において前記アンテナ素子に接続されたICを備え、前記EBG構造体をタグ基体の一部としてなるRFID(Radio Frequency Identification)タグ。
- 請求項4記載のEBG構造体を備えたノイズフィルタ。
- 請求項4記載のEBG構造体を備えたノイズ吸収シート。
- 請求項4記載のEBG構造体と、信号導体とを備えたノイズ吸収機能付き配線基板。
- 請求項4記載のEBG構造体と、前記第1の主面上に形成された誘電体からなるアンテナ支持層とを備えるアンテナ装置。
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JP2008545315A JP5271714B2 (ja) | 2006-11-22 | 2007-11-22 | Ebg構造体、アンテナ装置、rfidタグ、ノイズフィルタ、ノイズ吸収シート及びノイズ吸収機能付き配線基板 |
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JP2006316210 | 2006-11-22 | ||
JP2006316210 | 2006-11-22 | ||
JP2008545315A JP5271714B2 (ja) | 2006-11-22 | 2007-11-22 | Ebg構造体、アンテナ装置、rfidタグ、ノイズフィルタ、ノイズ吸収シート及びノイズ吸収機能付き配線基板 |
PCT/JP2007/001287 WO2008062562A1 (fr) | 2006-11-22 | 2007-11-22 | Structure de bande interdite électromagnétique, étiquette d'identification par radiofréquence, filtre antiparasite, feuille d'absorption de bruit et tableau de connexions à fonction d'absorption de bruit |
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JPWO2008062562A1 JPWO2008062562A1 (ja) | 2010-03-04 |
JP5271714B2 true JP5271714B2 (ja) | 2013-08-21 |
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Cited By (1)
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KR101395133B1 (ko) * | 2013-04-16 | 2014-05-15 | 홍형복 | 전파의 노이즈 제거기능을 갖는 안테나 패치의 제조방법 |
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KR100859718B1 (ko) * | 2006-12-04 | 2008-09-23 | 한국전자통신연구원 | 인공자기도체를 이용한 도체 부착형 무선인식용 다이폴태그 안테나 및 그 다이폴 태그 안테나를 이용한 무선인식시스템 |
JP2009027450A (ja) * | 2007-07-19 | 2009-02-05 | Toshiba Corp | ハイインピーダンス基板 |
JP5065951B2 (ja) * | 2008-03-11 | 2012-11-07 | Necトーキン株式会社 | アンテナ装置におけるインピーダンスマッチング方法及びアンテナ装置 |
JP5380919B2 (ja) | 2008-06-24 | 2014-01-08 | 日本電気株式会社 | 導波路構造およびプリント配線板 |
JP5072741B2 (ja) * | 2008-07-02 | 2012-11-14 | 三菱電機株式会社 | Ebg構造ユニット |
JPWO2010013810A1 (ja) * | 2008-08-01 | 2012-01-12 | 旭硝子株式会社 | Rfidタグおよびその製造方法、インピーダンス調整方法及び樹脂シート及びその製造方法 |
JP5522042B2 (ja) * | 2008-08-01 | 2014-06-18 | 日本電気株式会社 | 構造体、プリント基板、アンテナ、伝送線路導波管変換器、アレイアンテナ、電子装置 |
JP2010114560A (ja) * | 2008-11-05 | 2010-05-20 | Toshiba Corp | 読取装置及び管理システム |
JP5326649B2 (ja) | 2009-02-24 | 2013-10-30 | 日本電気株式会社 | アンテナ、アレイアンテナ、プリント基板、及びそれを用いた電子装置 |
KR101007288B1 (ko) * | 2009-07-29 | 2011-01-13 | 삼성전기주식회사 | 인쇄회로기판 및 전자제품 |
EP2518828A4 (en) * | 2009-12-24 | 2015-04-01 | Asahi Glass Co Ltd | RFID-LABEL |
JP5162677B2 (ja) | 2010-02-26 | 2013-03-13 | 株式会社エヌ・ティ・ティ・ドコモ | マッシュルーム構造を有する装置 |
WO2011111297A1 (ja) * | 2010-03-08 | 2011-09-15 | 日本電気株式会社 | 構造体、配線基板および配線基板の製造方法 |
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US8514147B2 (en) | 2013-08-20 |
US20100053013A1 (en) | 2010-03-04 |
WO2008062562A1 (fr) | 2008-05-29 |
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