JP2008160821A - アンテナ及び当該アンテナを有する半導体装置 - Google Patents
アンテナ及び当該アンテナを有する半導体装置 Download PDFInfo
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- JP2008160821A JP2008160821A JP2007307424A JP2007307424A JP2008160821A JP 2008160821 A JP2008160821 A JP 2008160821A JP 2007307424 A JP2007307424 A JP 2007307424A JP 2007307424 A JP2007307424 A JP 2007307424A JP 2008160821 A JP2008160821 A JP 2008160821A
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
【解決手段】切断部により一部が切断されたループ状の第1の導体パターン101、第2の導体パターン102、第3の導体パターン103、給電部104を有し、当該ループ状の第1の導体パターン101に第2の導体パターン102及び第3の導体パターン103の一方の端部を接続し、第2の導体パターン102と第3の導体パターン103の他方の端部を給電部104に接続し、第2の導体パターン102の全長は第3の導体パターン103の全長より長く設け、第2の導体パターン102を第3の導体パターン103より切断部105に近接して配置する。
【選択図】図1
Description
Klaus Finkenzeller 著、「RFIDハンドブック」、第2版、日刊工業新聞社刊、2004年5月、p.98−99
本実施の形態では、本発明のアンテナの一例に関して図面を参照して説明する。
本実施の形態では、上記実施の形態と異なるアンテナに関して図面を参照して説明する。
本実施の形態では、上記実施の形態で示したアンテナを具備する半導体装置に関して図7を参照して説明する。具体的には、上記実施の形態で示したアンテナに、トランジスタ等の素子を有する素子層(ICチップともいう)を貼り合わせることによって、半導体装置を設ける場合に関して説明する。なお、図7において、図7(B)は図7(A)における領域120の拡大図であり、図7(C)は図7(B)におけるa−b間の断面図を示している。
本実施の形態では、上記実施の形態3で示した半導体装置の作製方法に関して図面を参照して説明する。ここでは、可撓性を有する基板上にトランジスタ等の素子を設けることによって素子層を形成する場合に関して説明する。
本実施の形態では、上記実施の形態と異なるアンテナ又は半導体装置に関して図面を参照して説明する。
本実施の形態では、上記実施の形態と異なるアンテナ又は半導体装置に関して図13を参照して説明する。
本実施の形態では、上記実施の形態で示したアンテナを有する半導体装置をRFIDタグとして用いる場合の構成に関して図面を参照して説明する。
本実施の形態では、本発明の半導体装置の利用形態の一例について説明する。本発明の半導体装置の用途は広範にわたり、非接触で対象物の履歴等の情報を明確にし、生産・管理等に役立てる商品であればどのようなものにも適用することができる。例えば、紙幣、硬貨、有価証券類、証書類、無記名債券類、包装用容器類、書籍類、記録媒体、身の回り品、乗物類、食品類、衣類、保健用品類、生活用品類、薬品類及び電子機器等に設けて使用することができる。これらの例に関して図16を用いて説明する。
101 導体パターン
102 導体パターン
103 導体パターン
104 給電部
105 切断部
101a 端部
101b 端部
102a 端部
102b 端部
103a 端部
103b 端部
Claims (11)
- 基板上に形成された第1の導体パターン、第2の導体パターン及び第3の導体パターンと、
2つの端子を具備する給電部とを有し、
前記第1の導体パターンは、切断部により一部が分断されたループ状であり、
前記第2の導体パターン及び前記第3の導体パターンの一方の端部は前記第1の導体パターンとそれぞれ接続され、
前記第2の導体パターンの他方の端部は前記給電部の一方の端子に電気的に接続され、
前記第3の導体パターンの他方の端部は前記給電部の他方の端子に電気的に接続され、
前記第2の導体パターンの全長は、前記第3の導体パターンの全長より長く設けられ、
前記第2の導体パターンが前記第3の導体パターンより前記切断部に近接して配置されていることを特徴とするアンテナ。 - 請求項1において、
前記第1の導体パターンの全長をLとした場合に、前記切断部から前記給電部までの長さがL/6以上L/4以下となる範囲に、前記給電部が設けられていることを特徴とするアンテナ。 - 基板上に形成された第1の導体パターン、第2の導体パターン及び第3の導体パターンと、
2つの端子を具備する給電部とを有し、
前記第1の導体パターンの一方の端部は前記第2の導体パターンに接続され、
前記第1の導体パターンの他方の端部は前記第3の導体パターンに接続され、
前記第2の導体パターンの一方の端部は前記給電部の一方の端子に電気的に接続され、
前記第3の導体パターンの一方の端部は前記給電部の他方の端子に電気的に接続され、
前記第2の導体パターンの他方の端部と前記第3の導体パターンの他方の端部は絶縁されており、
前記給電部を介して電気的に接続された第2の導体パターンと第3の導体パターンから構成される導体パターンはループ状であり、
前記第3の導体パターンの全長は前記第2の導体パターンの全長より長く設けられ、
前記第1の導体パターンと前記第2の導体パターンの接続部から前記第2の導体パターンの一方の端部までの長さが、前記第1の導体パターンと前記第3の導体パターンの接続部から前記第3の導体パターンの一方の端部までの長さより長いことを特徴とするアンテナ。 - 請求項3において、
前記第2の導体パターンの全長をL2とした場合に、前記第3の導体パターンの全長L3が3L2以上5L2以下であることを特徴とするアンテナ。 - 請求項1乃至請求項4のいずれか一項において、
前記第1の導体パターン、第2の導体パターン及び前記第3の導体パターンが同一の材料で設けられていることを特徴とするアンテナ。 - 2つの端子を具備する集積回路と、
前記集積回路と電気的に接続されたアンテナとを有し、
前記アンテナは、
基板上に形成された第1の導体パターン、第2の導体パターン及び第3の導体パターンを有し、
前記第1の導体パターンは、切断部により一部が分断されたループ状であり、
前記第2の導体パターン及び前記第3の導体パターンの一方の端部は前記第1の導体パターンとそれぞれ接続され、
前記第2の導体パターンの他方の端部は前記集積回路の一方の端子に電気的に接続され、
前記第3の導体パターンの他方の端部は前記集積回路の他方の端子に電気的に接続され、
前記第2の導体パターンの全長は、前記第3の導体パターンの全長より長く設けられ、
前記第2の導体パターンが前記第3の導体パターンより前記切断部に近接して配置されていることを特徴とする半導体装置。 - 請求項6において、
前記第1の導体パターンの全長をLとした場合に、前記切断部から前記集積回路までの長さがL/6以上L/4以下となる範囲に、前記集積回路が設けられていることを特徴とする半導体装置。 - 2つの端子を具備する集積回路と、
前記集積回路と電気的に接続されたアンテナとを有し、
前記アンテナは、
基板上に形成された第1の導体パターン、第2の導体パターン及び第3の導体パターンを有し、
前記第1の導体パターンの一方の端部は前記第2の導体パターンに接続され、
前記第1の導体パターンの他方の端部は前記第3の導体パターンに接続され、
前記第2の導体パターンの一方の端部は前記集積回路の一方の端子に電気的に接続され、
前記第3の導体パターンの一方の端部は前記集積回路の他方の端子に電気的に接続され、
前記第2の導体パターンの他方の端部と前記第3の導体パターンの他方の端部は絶縁されており、
前記集積回路を介して電気的に接続された第2の導体パターンと第3の導体パターンから構成される導体パターンはループ状であり、
前記第3の導体パターンの全長は前記第2の導体パターンの全長より長く設けられ、
前記第1の導体パターンと前記第2の導体パターンの接続部から前記第2の導体パターンの一方の端部までの長さが、前記第1の導体パターンと前記第3の導体パターンの接続部から前記第3の導体パターンの一方の端部までの長さより長いことを特徴とする半導体装置。 - 請求項8において、
前記第2の導体パターンの全長をL2とした場合に、前記第3の導体パターンの全長L3が3L2以上5L2以下であることを特徴とする半導体装置。 - 請求項6乃至請求項9のいずれか一項において、
前記第1の導体パターン、第2の導体パターン及び前記第3の導体パターンが同一の材料で設けられていることを特徴とする半導体装置。 - 請求項6乃至請求項10のいずれか一項において、
前記集積回路は、外部から無線で電力の充電を行うバッテリーを有することを特徴とする半導体装置。
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Also Published As
| Publication number | Publication date |
|---|---|
| JP4944745B2 (ja) | 2012-06-06 |
| US20080129606A1 (en) | 2008-06-05 |
| US7605761B2 (en) | 2009-10-20 |
| CN101192704B (zh) | 2013-03-13 |
| CN101192704A (zh) | 2008-06-04 |
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