JP7245792B2 - 安定した近距離アンテナを含む無線感知デバイス - Google Patents
安定した近距離アンテナを含む無線感知デバイス Download PDFInfo
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Description
例示的実施形態を以下に列挙する。実施形態1~20、21~35、367、及び38~39のいずれか1つを組み合わせることができることを理解されたい。
基板の第1の部分上に配置された少なくとも一部分を有するアンテナと、
基板の第2の部分上に配置されたセンサであって、センサはアンテナによって少なくとも部分的に囲まれており、センサはアンテナに電気的に結合された無線周波数(RF)コンポーネントを含む、センサと、
アンテナに隣接する基板の第1の部分に取り付けられたスペーサ層と、
を備える無線周波数(RF)センサデバイスであって、
スペーサ層が、厚さT、比誘電率k、及びkに対するT(マイクロメートル)の比として定義される性能指数を有し、スペーサ層は、20(マイクロメートル)以上の性能指数を有する、無線周波数(RF)センサデバイスである。
基板と、
基板の周辺部分上に配置された少なくとも一部分を有するアンテナと、
流体吸収材料を含む吸収素子と、
アンテナに隣接する基板の周辺部分に取り付けられたスペーサ層であって、スペーサ層は、厚さT、比誘電率k、及びkに対するT(マイクロメートル)の比として定義される性能指数を有し、スペーサ層は、20以上の性能指数を有する、スペーサ層と、
基板上に配置されたセンサ素子であって、センサ素子が吸収素子に近接して配置され、吸収素子の水和レベルを測定するように構成されており、センサ素子は、アンテナによって少なくとも部分的に囲まれ、アンテナに電気的に結合されている、センサ素子と、を備える、無線周波数(RF)センサである。
基板の第1の部分上に配置された少なくとも一部分を有するアンテナと、
基板の第2の部分上に配置されたセンサであって、センサはアンテナに電気的に結合された無線周波数(RF)コンポーネントを含む、センサと、
アンテナに隣接する基板の第1の部分に取り付けられたスペーサ層であって、スペーサ層が基板の第2の部分から分離されている、スペーサ層と、
を備える無線周波数(RF)センサデバイスであって、
スペーサ層が、厚さT、比誘電率k、及びkに対するT(マイクロメートル)の比として定義される性能指数を有し、スペーサ層は、20(マイクロメートル)以上の性能指数を有する、無線周波数(RF)センサデバイスである。
基板の周辺部分上に配置された少なくとも一部分を有するアンテナと、
基板の中央部分上に配置されたセンサであって、アンテナに電気的に結合された無線周波数(RF)コンポーネントを含む、センサと、
アンテナに隣接する基板の周辺部分に取り付けられたスペーサ層と、
を備える無線周波数(RF)センサデバイスであって、
スペーサ層が、厚さT、比誘電率k、及びkに対するT(マイクロメートル)の比として定義される性能指数を有し、スペーサ層は、20(マイクロメートル)以上の性能指数を有する、無線周波数(RF)センサデバイスである。
実施例1~4は、周波数ドメインソルバーを使用したコンピュータシミュレーション技術(CST)Microwave Studio EMシミュレーション環境でモデル化した。実施例1及び3は、図1Cに示される構成を有し、それぞれ皮膚及び吸収素子上に配置した。実施例2及び4は、図1Bに示される構成を有し、それぞれ皮膚及び吸収素子上に配置した。基板は、厚さ約50マイクロメートルであり、約3.2の比誘電率を有する。皮膚は、約31.3の比誘電率及び約8.0S/mの伝導率を有する。吸収素子は約1.0mmの厚さを有し、水モデルを、約78の比誘電率及び約1.59S/mの伝導率で用いた。
セット2(実施例A及びF)の実施例は、図2Aに示す構成に従って作製された。セット3(実施例D及びE)の実施例は、図6に示す構成に従って作製された。図2A又は図6に示す構成に従って、ただしスペーサ層なしで、セット1(実施例B及びC)の比較例を作製した。実施例の材料を以下の表2に示す。
Claims (6)
- 基板と、
前記基板の第1の部分上に配置された少なくとも一部分を有するアンテナと、
前記基板の第2の部分上に配置されたセンサであって、前記センサは前記アンテナによって少なくとも部分的に囲まれており、前記センサは前記アンテナに電気的に結合された無線周波数(RF)コンポーネントを含む、センサと、
前記基板の前記第1の部分に取り付けられたスペーサ層と、
を備える無線周波数(RF)センサデバイスであって、
前記スペーサ層が、厚さT、比誘電率k、及びkに対するT(マイクロメートル)の比として定義される性能指数を有し、前記スペーサ層は、20(マイクロメートル)以上の前記性能指数を有し、
前記スペーサ層が、前記基板の前記第1の部分の幅に対応する幅を有するフレーム形状を有し、前記フレーム形状は、前記センサが配置されている前記基板の一部分を収容するウィンドウを画定する、無線周波数(RF)センサデバイス。 - 前記スペーサ層が、耐水蒸気性であり、水分が前記スペーサ層に浸透して前記アンテナに到達するのを防ぐように構成されている、請求項1に記載の無線周波数(RF)センサデバイス。
- 水和レベルを測定する無線周波数(RF)センサであって、
基板と、
前記基板の周辺部分上に配置された少なくとも一部分を有するアンテナと、
流体吸収材料を含む吸収素子と、
前記基板の前記周辺部分に取り付けられたスペーサ層であって、前記スペーサ層は、厚さT、比誘電率k、及びkに対するT(マイクロメートル)の比として定義される性能指数を有し、前記スペーサ層は、20以上の性能指数を有する、スペーサ層と、
前記基板上に配置されたセンサ素子であって、前記センサ素子が前記吸収素子上に配置され、前記流体吸収材料の水和レベルを測定するように構成されており、前記センサ素子は、前記アンテナによって少なくとも部分的に囲まれ、前記アンテナに電気的に結合されている、センサ素子と、を備える、無線周波数(RF)センサ。 - 前記スペーサ層が、前記基板の前記周辺部分の幅に対応する幅を有するフレーム形状を有し、前記フレーム形状は、内部に前記センサ素子が配置され、前記流体吸収材料と接触するウィンドウを画定する、請求項3に記載の無線周波数(RF)センサ。
- 前記スペーサ層がリブ付き構造を含む、請求項3に記載の無線周波数(RF)センサ。
- 前記スペーサ層が独立気泡発泡体を含む、請求項3に記載の無線周波数(RF)センサ。
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