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研究生:丁冠仁
研究生(外文):Guan- Ren Ding
論文名稱:導電材料對高頻訊號抑制之研究
論文名稱(外文):Study of Conductive Materials on High Frequency Signal Suppression
指導教授:陳立軒陳立軒引用關係
指導教授(外文):Li-Shiuan Chen
學位類別:碩士
校院名稱:義守大學
系所名稱:電子工程學系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2015
畢業學年度:103
語文別:中文
論文頁數:102
中文關鍵詞:導電材料環氧樹脂高頻諧波抑制
外文關鍵詞:Conductive materialsEpoxyHigh frequencySuppression
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本研究將導電材料和環氧樹脂做混合,覆蓋在FR4基板上,並且藉由改變各種覆蓋的結構與面積來探討S參數與雜訊抑制的特性。本研究利用HFSS模擬軟體探討各種覆蓋結構與覆蓋方式下1~10GHz的抑制特性,再用實驗結果驗證模擬的正確性,研究結果發現可以藉由改變覆蓋的面積、結構與位置,來達到最理想的雜訊抑制效果。導電薄膜必須與微帶線接觸,抑制效果才會良好,真正影響抑制效果的是寬度W,也就是導電薄膜和微帶線接觸的部分越多,抑制的效果也就越佳。覆蓋雙邊的抑制效果會比覆蓋單邊的效果來的較佳。

Conductive materials mixing with epoxy resin are coated on the FR4 substrates. The effect of the area of the coated films on high frequency signal suppression is investigated in this work. The HFSS simulator is employed to study the frequency response of the signal suppression during the frequency range between 1 and 10 GHz. The simulated results are compared with the experimental ones. To have a better high frequency signal suppression, the coated films must be in contact with the signal lines. The width and length of the coated films play an important role in the high frequency signal suppression. Besides, the suppression effect for double side coated films is better than that of single side.

摘要 I
Abstract II
致謝 III
目錄 IV
圖目錄 VI
表目錄 XI
第一章 前言 1
1-1背景簡介 1
1-2研究動機 3
第二章 參考文獻和理論基礎 4
2-1微帶線理論 4
2-1-1微帶線裡的波動 5
2-1-2近似橫向電磁波(Quasi-TEM) 5
2-1-3等效介電常數、特徵阻抗與W/h之計算 6
2-1-4微帶線之波導波長、傳播常數、相位速度以及電器長度之計算 7
2-1-5導體厚度所產生之效應 8
2-1-6微帶線之損耗 9
2-2高頻雜訊抑制簡介 10
2-3不同的雜訊抑制方法 11
2-4高頻雜訊抑制的相關研究 14
2-5介電材料特性 20
2-6 導電材料特性 21
2-7 高頻損失分析與公式 26
第三章 實驗簡述與模擬 28
3-1 利用HFSS模擬高頻雜訊抑制結構 28
3-2利用HFSS模擬只覆蓋在微帶線上的效果 35
3-3利用HFSS模擬導電薄膜有無接觸到微帶線的影響 41
3-4利用HFSS模擬改變尺寸的寬度W(Y) 46
3-5利用HFSS模擬改變尺寸的長度L(X) 54
3-6利用HFSS固定覆蓋面積模擬單邊與雙邊的影響 64
第四章 實驗結果與討論 68
4-1實驗簡述 68
4-2實驗只覆蓋在微帶線上的效果 76
4-3實驗導電薄膜有無接觸到微帶線的影響 78
4-4實驗改變導電薄膜的寬度W 80
4-5實驗改變導電薄膜的長度L 82
4-6實驗固定覆蓋面積比較單邊與雙邊的影響 84
第五章 結論 86
參考文獻 87

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