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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/74202完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 廖英志(Ying-Chih Liao) | |
| dc.contributor.author | Shang-Cheng Tsai | en |
| dc.contributor.author | 蔡尚成 | zh_TW |
| dc.date.accessioned | 2021-06-17T08:24:08Z | - |
| dc.date.available | 2024-08-19 | |
| dc.date.copyright | 2019-08-19 | |
| dc.date.issued | 2019 | |
| dc.date.submitted | 2019-08-13 | |
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Foygel, M., et al., Theoretical and computational studies of carbon nanotube composites and suspensions: Electrical and thermal conductivity. 2005. 71(10): p. 104201. 49. Kim, K.-R., et al., High-precision and ultrafast UV laser system for next-generation flexible PCB drilling. 2016. 38: p. 107-113. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/74202 | - |
| dc.description.abstract | 3D列印能夠快速製造複雜的三維結構，而在眾多3D列印技術中，光固化技術具有最高的解析度以及最好的表面品質。前人在文獻中提出了利用光固化技術製備三維導電結構，但導電度都相當低(約0.1 S/cm)。為了改善導電度的問題，我們在本研究中使用高導電性的銀銅金屬。然而，銀銅金屬高密度的特性導致其在高分子樹脂中快速沉降，亦造成列印過程中銀銅金屬的不均勻分散。除此之外，為了達到高導電度，必須使用高濃度的銀銅金屬，但如此高的金屬含量會屏蔽掉UV光，使固化速度下降。這些限制使得我們難以利用光固化樹脂製備三維導電結構。
本研究提出了一種新的光固化導電樹脂的組成。首先，將銀銅金屬分散於由奈米碳管形成的網路結構中，藉此減緩銀銅金屬的沉降速度。藉由最佳化奈米碳管的含量來兼具樹脂的流動性以及穩定性，讓3D列印機得以將導電樹脂製備成三維導電結構。同時也計算及最佳化其他會影響導電度或模量的樹脂組成或固化參數。在印製出高品質的多層電路板後，能夠在其中觀察到89.68度的錐角以及0.964的正反面銅墊面積比。總而言之，本研究提出了一種新的調製導電樹脂的方法，並且為光固化技術方面拓展了一條嶄新的道路。 | zh_TW |
| dc.description.abstract | The 3D printing nature provides fast fabrication of complicated 3D structure. Among all 3D printing methods, stereolithography method has the highest resolution and surface quality. Previous studies have shown the 3D conductive structures produced with fairly low conductivity (~ 0.1 S/cm) by stereolithography method. To address this conductivity issue, highly conductive silver-coated copper (AgCu) is adopted here. However, the large density of AgCu leads to fast sedimentation in polymeric resin solution, and also non-uniform AgCu distribution in the printing process. In addition, high AgCu concentrations are needed for high conductivity, but the high metal content shields UV light and therefore leads to low curing rate. These limitations make photo-curable resin unable to be printed into 3D conductive structures.
In this study, a new photo-curable conductive resin is formulated. The AgCu is first suspended with the help of carbon nanotubes (CNT), which form a supporting network to decrease the AgCu settling speed. The content of CNT is then optimized to give both fluidity and suspension stability so that the resin composite can be printed into 3D conductive structure. Moreover, effects of various formulation parameters on the conductivity or modulus will be also evaluated and optimized. Multi-layer circuit boards are built with great quality. Taper angle of 89.68 degree is observed and the size ratio of top pad to down pad is 0.964. In summary, this study provides a new approach for conductive resin formulation and pave the way for more stereolithography innovations. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-17T08:24:08Z (GMT). No. of bitstreams: 1 ntu-108-R06524075-1.pdf: 3226655 bytes, checksum: 663c07b014f4c4c5b34f5e2ef20cb031 (MD5) Previous issue date: 2019 | en |
| dc.description.tableofcontents | 封面
致謝 1 中文摘要 2 ABSTRACT 3 目錄 4 圖目錄 7 表目錄 10 第一章 緒論 11 1.1研究背景 11 1.2論文架構 12 1.3文獻回顧 13 1.3.1 積層列印 13 1.3.1-1 物件加工方法 13 1.3.1-2 3D列印原理 13 1.3.1-3 3D列印在印刷電子的運用 14 1.3.2 印刷電子 15 1.3.2-1 印刷電路板 15 1.3.2-2 高密度印刷電路板 16 1.3.3 光固化3D列印技術 17 1.3.3-1 光固化機原理 17 1.3.3-2 光固化樹脂之成分 20 1.3.3-3 光交聯反應機制及速率 22 1.3.3-4 填料對光固化3D列印之影響 23 1.3.3-5 光固化導電結構 27 1.4研究動機與目的 32 第二章 實驗系統程序 33 2.1 實驗藥品與儀器介紹 33 2.1.1 實驗藥品 33 2.1.2 實驗儀器 34 2.2 實驗流程 35 2.2.1 銀銅粉/碳管複合樹脂之製備 35 2.2.2 銀銅粉樹脂沉降特性分析 36 2.2.3 切層軟體操作 37 2.2.4 置備導電圖樣 37 第三章 光固化製備導電圖樣 38 3.1 導電填料性質分析 38 3.1.1 不含填料之光固化結果 38 3.1.2導電填料對光學性質之影響 40 3.1.3導電填料對光固化樹脂流變性質之影響 43 3.1.4銀銅片對光固化之影響 46 3.2膠體組成對樹脂穩定性及固化之影響 50 3.2.1乙二醇含量對銀銅粉沉降性之影響 50 3.2.2奈米碳管含量對銀銅粉沉降性及樹脂流變性質之影響 52 3.2.3起始劑含量對固化時間及程度之影響 54 3.3三維導電結構列印 57 3.3.1列印結構之電性分析 57 3.3.2兩種材料於單層結構的列印 62 3.3.3多層電路板製作 63 第四章 結論與未來展望 69 參考資料 70 | |
| dc.language.iso | zh-TW | |
| dc.subject | 印刷電路板 | zh_TW |
| dc.subject | 三維列印 | zh_TW |
| dc.subject | 立體導電結構 | zh_TW |
| dc.subject | 光固化 | zh_TW |
| dc.subject | 3D printing | en |
| dc.subject | stereolithography | en |
| dc.subject | 3D conductive structure | en |
| dc.subject | printed circuit board | en |
| dc.title | 以光固化製備三維導電結構之研究 | zh_TW |
| dc.title | 3D Printed Conductive Structure from LCD-based Stereolithography | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 107-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 竇維平(Wei-Ping Dow),楊宏達(Hong-Ta Yang),葛明德(Ming-Der Ger),衛子健(Tzu-Chien Wei) | |
| dc.subject.keyword | 三維列印,光固化,立體導電結構,印刷電路板, | zh_TW |
| dc.subject.keyword | 3D printing,stereolithography,3D conductive structure,printed circuit board, | en |
| dc.relation.page | 72 | |
| dc.identifier.doi | 10.6342/NTU201903224 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2019-08-13 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 化學工程學研究所 | zh_TW |
| 顯示於系所單位： | 化學工程學系 | |
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|---|---|---|---|
| ntu-108-1.pdf 未授權公開取用 | 3.15 MB | Adobe PDF |
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