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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 楊燿州 | zh_TW |
| dc.contributor.advisor | Yao-Jae Yang | en |
| dc.contributor.author | 羅劭翔 | zh_TW |
| dc.contributor.author | Shao-Hsiang Lo | en |
| dc.date.accessioned | 2021-07-11T15:09:29Z | - |
| dc.date.available | 2024-07-31 | - |
| dc.date.copyright | 2019-08-23 | - |
| dc.date.issued | 2019 | - |
| dc.date.submitted | 2002-01-01 | - |
| dc.identifier.citation | [1] World Health Organization, "A global brief on hypertension: silent killer, global public health crisis: World Health Day 2013," World Health Organization2013.
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/78645 | - |
| dc.description.abstract | 本研究基於微機電技術開發了一可整合於血管支架的心血管壓力感測器。此壓力感測器具有無線量測、可撓性及被動式驅動等特性，並預期能透過心導管手術與血管支架一同植入人體血管中。此外，為了符合能於人體內達成長期血壓之監測功能，感測器採用具生物相容性之聚一氯對二甲苯為基材，與聚二甲基矽氧烷為元件之主要結構材料。感測器利用微機電技術於基材上製作平面電感線圈與上下電容板電極，透過簡單的對折封裝形成LC諧振電路。其中，平行板電容可視為壓力感測單元，而平面電感線圈則能無線傳輸壓力感測訊號。本研究採用Phase-dip技術獲取L-C壓力感測器受到外接壓力時的共振頻率變化，達成無線壓力量測之功能。最後，為了測試此壓力感測器於類似人體血液環境中的表現，本研究也將開發之感測器分別於空氣、去離子水與0.9%生理食鹽水中進行量測。在0mmHg至250mmHg壓力範圍內，於空氣、去離子水與0.9%生理食鹽水壓力響應度分別為-14.18 kHz/mmHg、-8.69 kHz/mmHg與-7.31 kHz/mmHg，而且壓力-共振頻率具有高度線性關係。 | zh_TW |
| dc.description.abstract | In this work, we propose a wireless, flexible passive pressure sensor for monitoring cardiovascular pressure. The device is designed to be inserted into a stent that can be deployed within a blood vessel using a catheter-based delivery system for monitoring cardiovascular pressure. Aimed toward long-term continuous blood pressure monitoring in the intravascular environment, the sensor employs biocompatible polymeric material Parylene-C as the substrate material. By utilizing micromachining techniques, a parallel-plate capacitor and an inductor coil were implemented in the sensor as an inductor–capacitor (LC) resonant tank for pressure sensing and wireless signal transmission. Using the Phase-dip technique, the resonant frequency shift (i.e., the pressure signals) of the resonant tank are wirelessly retrieved. The fabricated device was wirelessly measured in air, DI water and 0.9% saline. The measured results showed a linear frequency response in the pressure range from 0 mmHg to 250 mmHg. The pressure responsivities were approximately -14.18 kHz/mmHg, -8.69 kHz/mmHg and -7.31 kHz/mmHg in air, DI water and 0.9% saline, respectively. | en |
| dc.description.provenance | Made available in DSpace on 2021-07-11T15:09:29Z (GMT). No. of bitstreams: 1 ntu-108-R06522704-1.pdf: 16638337 bytes, checksum: 052aabf7e686c1b447b6b7d5ba2a7ff6 (MD5) Previous issue date: 2019 | en |
| dc.description.tableofcontents | 致謝 I
摘要 III Abstract V 目錄 VII 圖目錄 XI 表目錄 XV 符號說明 XVII 第一章 緒論 1 1.1 前言 1 1.2 文獻回顧 2 1.2.1 血壓量測方式 2 1.2.2 壓力感測器 5 1.2.3 L-C感測器 15 1.2.4 植入式壓力量測醫療裝置 16 1.3 研究動機與目的 20 1.4 論文架構 22 第二章 研究理論系統模型與元件設計 23 2.1 L-C諧振電路感測器運作原理 23 2.2 L-C諧振電路無線傳輸量測訊號之機制 24 2.2.1 觀察時域(Time Domain)量測方式 24 2.2.2 觀察頻域(Frequency Domain)量測方式 25 2.3 設計相關參數與其對壓力感測性能之影響 30 2.3.1 壓力感測器量測之頻率選擇性(Selectivity) 30 2.3.2 品質因子 對壓力感測性能之影響 - 提升電感值 31 2.3.3 品質因子 對壓力感測性能之影響 – 維持共振頻率 32 2.3.4 平面電感之理論模型 35 2.3.5 寄生電容對壓力感測器效能影響與其理論模型 38 2.4 L-C壓力感測器之設計與設計參數 41 2.4.1 壓力感測器之設計 41 2.4.2 壓力感測器設計參數 43 第三章 製程方法與步驟 47 3.1 本章介紹 47 3.2 聚二甲基矽氧烷預聚合物之製備 48 3.3 電鍍溶液製備與前處理 49 3.4 壓力感測器元件製程設計與製程原理 51 3.4.1 元件製程流程與設計 52 3.4.2 光罩設計與製作 53 3.4.3 製程相關原理與參數 55 3.5 元件製程結果 64 3.5.1 電鍍後元件電子顯微鏡圖 64 3.5.2 壓力感測器製作成果 66 第四章 量測結果與討論 69 4.1 不同聚二甲基矽氧烷做為介電質之特性量測 69 4.1.1 壓力vs電容量測之測試元件與架設 69 4.1.2 量測結果與討論 70 4.2 L-C壓力感測器之初步量測 72 4.2.1 L-C壓力感測器之電阻與電感量測 72 4.2.2 L-C壓力感測器之共振頻率量測與寄生電容推算 73 4.2.3 L-C壓力感測器之壓力vs共振頻率量測 76 4.3 L-C壓力感測器之特性量測 82 4.3.1 不同距離下之量測 82 4.3.2 蜷曲後之量測 83 4.3.3 不同環境下之量測 84 4.4 L-C壓力感測器於不同環境下之壓力vs共振頻率量測 86 4.4.1 於去離子水中之壓力vs共振頻率量測 87 4.4.2 於0.9%生理食鹽水中之壓力vs共振頻率量測 88 4.4.3 量測結果之討論 90 第五章 結論與未來展望 91 5.1 結論 91 5.2 未來展望 92 參考文獻 95 附錄A 109 | - |
| dc.language.iso | zh_TW | - |
| dc.title | 應用於智慧型血管支架系統之具無線傳輸功能可撓微型壓力感測器 | zh_TW |
| dc.title | Development of a Wireless Flexible Pressure Sensor for a Smart Stent System | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 107-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 蘇裕軒;陳國聲 | zh_TW |
| dc.contributor.oralexamcommittee | ;; | en |
| dc.subject.keyword | 無線壓力感測器,生物相容性,可撓式設計,被動式設計,L-C諧振電路,連續血壓監測, | zh_TW |
| dc.subject.keyword | Wireless pressure sensor,Biocompatible,Flexible,Passive,L-C resonator,Blood pressure monitoring, | en |
| dc.relation.page | 112 | - |
| dc.identifier.doi | 10.6342/NTU201902442 | - |
| dc.rights.note | 未授權 | - |
| dc.date.accepted | 2019-08-12 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 機械工程學系 | - |
| dc.date.embargo-lift | 2024-08-23 | - |
| 顯示於系所單位： | 機械工程學系 | |
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