臺灣博碩士論文加值系統

本論文之實驗目標在於利用奈米碳管高延展特性及較好的導電
性，配合高導電性的微米銀片，組合成高強度的混合材料，以製造高
可靠性的微電子導線。我們使用可撓曲塑膠薄片ULTEMTM 1000B
Film 為基板，利用網版印刷技術製作微電子導線。針對設計之微電
子導線作電性及力學性質量測。首先針對微電子導線作電阻率之分
析，調配不同體積比的奈米碳管及銀膠或銀粉製作導線，進而量測其
電阻值。實驗的結果顯示，奈米碳管摻入導電的銀膠或銀粉時，電阻
率變化相當小，使本微電子導線具有高導電性的特質。進一步對微電
子導線作機械應力對電阻值的影響，從實驗過程發現，當基板受到應
力影響下，若摻雜少量的奈米碳管，可降低應力對導線產生應變的影
響，並可保持良好的導電性，以延長微電子導線之壽命。另外，將微
電子導線作溫度對電阻率觀測，摻雜少量的奈米碳管對溫度變化的穩
定度亦相當好。
最後的實驗結論顯示，摻入少許奈米碳管使用網版印刷方式所製
成可撓性電路版，具有較佳抗應變特性及使用壽命。

Using Carbon Nanotubes (CNTs) as the reinforcements in a
composite are considered to form ultra strong and stiff material by CNTs’
mechanical property. This thesis focus on the fabrication and
characterization of flexible conductor by the composite of mixing CNTs
and silver. The mixture was then printed on plastic by screen printing
method indifferent patterns. After we fabricated such conduction lines,
we measured their electrical properties to stress variations. At first, we
analyzed the resistivity of the composite by mixing different ratios of
CNT and Ag paste (by volume %). The results indicate that good
conductivity can be maintained when 50% of CNT incorporated in the
matrix. It is known that the conductive line suffered very large stress
when the flexible substrate was bent. The following experiments
performed the additional CNTs embedded in the conductive line can
provide better performance to enhance the structure stiffness, when the
substrate suffered horizontal tension and bending stresss. On the other
hand, we measured the resistivity of the metal line in the airtight space
with different temperature, the results show that good stability to
temperature by adding CNTs in the conductive line .
We also test the durable conductor by integrated CNTs in the
fabrication process which exhibited better reliability and conductivity to
the conventional flexible screen printed conductor .

目錄
致謝I
中文摘要II
英文摘要III
目錄V
圖目錄VII
表目錄X
第一章 緒論1
1.1 動機1
1.2 簡介1
1.2.1 奈米碳管1
1.2.2 軟性電子技術6
1.3 軟性電路板的結構及力學分析(以手機軟性電路板為例)10
1.4 軟性電路板市場趨勢14
第二章 奈米碳管之機械性質18
2.1 奈米碳管受力之情形與架構18
2.2 奈米碳管複合物之特性25
第三章 軟性電路板之電子導線設計29
3.1 電子導線圖型之設計29
3.2 電子導線樣本之設計32
第四章 軟性導線之特性量測40
4.1 奈米碳管對可撓性導線之電阻值的影響40
4.2 機械應力與電阻率之量測分析44
4.3 水平張力型態變化的影響48
4.4 可靠性測試55
4.5 溫度與電阻率分析60
第五章 結論63
5.1 結論63
5.2 未來展望63
參考文獻65

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