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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 楊申語(Sen-Yeu Young) | |
| dc.contributor.author | Cheng-Hui Lin | en |
| dc.contributor.author | 林承慧 | zh_TW |
| dc.date.accessioned | 2021-06-16T13:07:18Z | - |
| dc.date.available | 2015-08-06 | |
| dc.date.copyright | 2013-08-06 | |
| dc.date.issued | 2013 | |
| dc.date.submitted | 2013-08-01 | |
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Yi, “Microfabrication on a curved surface using 3D microlens array projection” Journal of Micromechanics and Microengineering, Vol. 19, pp.105010- 105017, (2009). [41] J. Park, H. Fujita, B. Kim, “Fabrication of metallic microstructure on curved substrate by optical soft lithography and copper electroplating” Sensors and Actuators A: Physical, Vol. 168, pp.105-111, (2011). [42] 游智翔， 電磁成型法於動液壓流體軸承製作，國立雲林科技大學碩士論文，民國92年6月。 [43] 粘世智，曲面微結構熱壓成型系統之開發與研究，中國機械工程學會第二十四屆全國學術研討會論文(D11-0032)，民國96年11月。 [44] M. Worgull, M. Heckele, and W. Schomburg, “Large-scale hot embossing” Microsystem Technology, Vol. 12, pp.110-115, (2005). [45] J. Mark, “Polymer Data Handbook” Oxford University Press, New York (1999). [46] 鄭榮偉，平面顯示器原理與製程實作，全華科技圖書股份有限公司，民國96年 [47] H. Hopkins, N. Kapany, “A Flexible Fiberscope, using Static Scanning,”Nature, Vol. 173, pp. 39-41, (1954). [48] 李信宏， 膠囊內視鏡之照明系統設計，國立中央大學碩士論文，民國95年7月。 | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/61612 | - |
| dc.description.abstract | 傳統壓印製程技術使用壓板機構對基材進行加壓，容易導致壓力施加不均勻，若平面壓板在曲面上壓印微結構壓印，壓板與曲面僅有部分接觸，無法完全貼合，部份局部應力過大，複製不均勻，壓印面積大受限制。本論文針對在環形曲面上複製微結構的需求，提出氣囊輔助壓印複製微結構製程，透過氣囊撐開外圍具有微結構的PDMS軟模，利用氣體的物理性質達到均勻的壓力分佈，且氣囊的可撓曲性將可完整貼附環形基材，有效提升微結構的成型均勻性。
本研究首先將管狀氣囊組件、氣囊加壓組件、驅動組件和曝光組件等四個單元結合，成功組立一部曲面氣輔紫外光壓印機台。管狀氣囊的製作方式是以切削方式製作鋁合金啞鈴狀滾輪，外層包覆一撓性佳並具有高延展性的矽膠材料，形成一個密閉腔體； PDMS軟模的製作方式主要利用具微結構的電鑄鎳模，結合微鑄造成型將V-cut微結構製作在PDMS軟模表面。 經富士感壓軟片測試證實，氣囊輔助能夠有效地增加模具與環形基材間的壓力均勻性。在適當的實驗參數下，可成功將微結構複製於環形基材內壁，且平均微結構高度複製率約為93%。 藉由探討環形曲面微結構的光學性質，發現V-cut微結構有效的增加環形基材表面光強度和光均勻性，可應用於曲面導光板製作，更進一步利用此光學性質，將其應用於膠囊內視鏡的照明系統改善上，增加其光線散佈面積，達到更好的照明效果，並製作曲面奈米結構抗反射層降低內視鏡成像亮點。本研究也比較V-cut微結構和微透鏡陣列應用於光學增亮片的光學效果。 | zh_TW |
| dc.description.abstract | For conventional imprinting process, the substrate and the stamp are brought into contact directly by the plate and rigid mold, it is difficult to fabricate microstructures on cylindrical surface. In this study, a gasbag-assisted UV imprinting process and flexible PDMS mold are employed to replicate microstructures onto cylindrical surface, making use of physical properties of gas to enhance close contacting and uniformity of pressure during cylindrical surface imprinting.
A gas-assisted UV-based imprinting facility was designed and imprinted. The facility contains gasbag, air pressure system, motor driving system and exposure system, designed and is assembled. The gasbag, which is composed of aluminum shaft and silicon tube, is employed to sustain the PDMS flexible mold with microstructure and compress the substrate. With aid of Fuji prescale film test, the results of gasbag-assisted imprinting process has shown not only uniform pressure but also close contact between the stamp and the cylindrical substrate. Under suitable conditions, the V-cut microstructures can be replicated on the curved substrate completely. The height of replicated structures is over 93% compared to the master mold. According to the result of optical test, the light intensity and brightness in the cylindrical PMMA has been enhanced significantly with V-cut structure. It shows great potential application in fabricating curved light guide plate. The result of this research is also used in illumination system of capsule endoscope for enlarging illuminated area. The anti-reflective characteristic of PMMA with nano-pillar array has also been verified. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-16T13:07:18Z (GMT). No. of bitstreams: 1 ntu-102-R00522734-1.pdf: 6168284 bytes, checksum: d88ca9ab67f489555bd3feb4b47bb3eb (MD5) Previous issue date: 2013 | en |
| dc.description.tableofcontents | 目次 VII
第1章 導論 1 1.1 前言 1 1.2 背光模組 2 1.3 微熱壓成型技術 2 1.4 紫外光固化成型技術 3 1.5 曲面紫外光固化成型技術 4 1.6 氣囊輔助和反轉式壓印提升結構均勻性 5 1.7 研究方向與目標 6 1.8 論文內容與架構 7 第2章 文獻回顧 15 2.1 高分子材料微結構成型技術 15 2.2 氣體輔助壓印成型技術 16 2.3 紫外光固化成型技術 18 2.4 反轉式壓印成型技術 19 2.5 曲面微奈米壓印技術 20 2.6 文獻總結 22 第3章 環形曲面紫外光固化氣囊輔助壓印複製微結構製程 42 3.1 實驗目的與整體流程規劃 42 3.2 環形曲面紫外光固化氣囊輔助壓印複製微結構製程介紹及原理 44 3.2.1 製程特色及原理 44 3.2.2 機台設計與組裝 45 3.3 PDMS軟模製作 46 3.3.1 PDMS材料介紹 46 3.3.2 翻製平面V-cut微結構PDMS軟模 47 3.4 其他相關材料製備 48 3.4.1 環形基材 48 3.4.2 紫外光固化樹脂 (UV-curable resin) 49 3.5 環形曲面紫外光固化氣囊輔助壓印複製微結構製程步驟 49 3.6 量測設備 50 3.7 結論 52 第4章 120°環形曲面紫外光固化氣囊輔助壓印複製微結構製程 64 4.1 環形曲面紫外光固化氣囊輔助壓印複製微結構製程之壓力均勻性 64 4.1.1 富士感壓軟片作用原理 64 4.1.2 氣囊應力分析 65 4.1.3 氣囊壓力均勻性測試結果 66 4.2 實驗參數規劃 67 4.3 壓印結果與討論 68 4.3.1 馬達轉速與紫外光固化樹脂成型探討 68 4.3.2 120°環形微結構成型視窗 69 4.3.3 氣囊內部壓力及環形基材厚度對微結構成型之影響 70 4.3.4 120°環形微結構複製之均勻性探討 71 4.4 結論 72 第5章 環形曲面紫外光固化氣囊輔助壓印複製微結構製程 92 5.1 製程特色 92 5.2 環形曲面紫外光固化氣囊輔助壓印複製微結構製程步驟 93 5.3 微鑄造成型法製作PDMS環形軟模 93 5.4 環形曲面微結構轉印之探討 94 5.5 光學量測 94 5.5.1 導光板光學原理 94 5.5.2 光學量測結果分析 96 5.6 結論 97 第6章 環形曲面微結構延伸應用 107 6.1 曲面增亮片 107 6.1.1 增亮片光學原理 107 6.1.2 微結構轉印及成型探討 108 6.1.3 V-cut微結構和微透鏡陣列結構增亮效果比較 108 6.2 環形曲面微結構應用於膠囊內視鏡照明系統改善 109 6.2.1 膠囊內視鏡發展介紹 109 6.2.2 環形微結構轉印及光學性質探討 109 6.3 曲面奈米結構抗反射層製作 110 6.3.1 曲面奈米結構抗反射層應用於膠囊內視鏡光學保護罩 110 6.3.2 曲面奈米結構複製及抗反射量測結果 110 6.4 結論 111 第7章 論文總結與未來方向 123 7.1 論文總結 123 7.2 未來方向及展望 124 參考文獻 127 | |
| dc.language.iso | zh-TW | |
| dc.subject | 紫外光固化 | zh_TW |
| dc.subject | 環形曲面 | zh_TW |
| dc.subject | 氣囊輔助 | zh_TW |
| dc.subject | Cylindrical Surface | en |
| dc.subject | UV-Based Imprinting | en |
| dc.subject | Gasbag-Assisted | en |
| dc.title | 環形曲面紫外光固化氣囊輔助壓印複製微結構製程研發 | zh_TW |
| dc.title | Development of Gasbag-Assisted UV-Based Imprinting Process For Replication of Microstructures onto Cylindrical Surface | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 101-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 沈永康(Yung-Kang Shen),鄭芳松,謝財源 | |
| dc.subject.keyword | 環形曲面,紫外光固化,氣囊輔助, | zh_TW |
| dc.subject.keyword | Cylindrical Surface,UV-Based Imprinting,Gasbag-Assisted, | en |
| dc.relation.page | 132 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2013-08-01 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
| 顯示於系所單位： | 機械工程學系 | |
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