臺灣博碩士論文加值系統

點膠是一種以可控的方式對膠體進行精確分配的技術，在微電子封裝技術中佔有關鍵的作用。本研究目的是設計出，以壓電致動器做為驅動源，並結合位移放大機構的噴射式點膠閥，利用壓電材料具有響應快及剛性大等優點，使點膠機能適用高黏度膠水於高頻率下作動。
由於壓電致動器有遲滯效應的問題，本文利用模糊控制的方法加以改善，在用田口品質分析來模擬分析放大機構，以得到相關的設計參數，並配合撞針位移量測實驗加以驗證。接著根據微電子封裝領域中對點膠機的要求，製作出壓電式點膠樣機，其中包含了壓電噴射點膠閥、恆壓供氣系統、壓電致動器及控制系統，並使用此機台進行膠水的測試與分析，最後由實驗結果得知，點膠機可在作動頻率500Hz下使黏度1000CPS的黑膠順利出膠，且不同形狀的撞針組合適用不同黏度的膠水，單點膠重的控制和點膠一致性則由撞針作動的時間調配所影響。

Dispensing technology is a process to Dispensing the fluid accurately in a controlled manner which has become one of the key technologies of microelectronics packaging. The purpose of this study is to design a jetting dispenser driven by piezostack actuator, and combined with the displacement amplification mechanism. Use of piezoelectric materials have high response and rigidity, etc., so that the dispenser can be applied to high-viscosity glue moving to high frequency perishable.
Due to a problem with the piezoelectric actuator hysteresis effect, this paper use the method of fuzzy control to improve, then use Taguchi method to analysis simulation amplification mechanism in order to obtain the relevant design parameters, and coupled with the striker displacement measurement experiments verified. Then according to the field of microelectronic packaging requirements for the dispenser to produce a piezoelectric dispensing prototype, which contains a piezoelectric jet-dispensing valve, constant pressure air supply system, a piezoelectric actuator and control system, and use this machine testing and analysis glue. Finally from the experimental results, the dispenser can be actuated under 500Hz makes 1000CPS Vinyl smooth out the glue, and the combination of different shapes striker apply different viscosity glue. Single dispensing weight control and consistency from striker dispensing actuation time deployment effected.

摘要 I
Extended Abstract II
誌謝 VI
目錄 VII
表目錄 X
圖目錄 XI
符號說明 XIII
第一章 緒論 1
1-1研究動機 1
1-2點膠機之種類 2
1-3文獻回顧 5
1-4研究目的及方法 9
第二章 壓電致動器 10
2-1壓電材料 10
2-2壓電效應 11
2-3壓電致動器 14
2-4遲滯現象 17
第三章 系統架構與數學模式推導 20
3-1壓電式點膠機之系統架構 20
3-2壓電致動器模型 22
3-2-1 Bouc-Wen Model遲滯模型 22
3-3機構數學模型 24
3-3-1位移放大機構模型 24
3-3-2機構動態方程式 26
3-4膠水流道模型 29
第四章 機構設計與分析 32
4-1系統動態探討 32
4-2田口品質分析 34
4-3放大機構設計 37
4-4放大機構模擬分析 41
4-4-1放大機構參數選擇 42
第五章 實驗結果與討論 45
5-1實驗架構 45
5-2壓電致動器控制結果 47
5-3撞針位移量測結果 50
5-4膠水量測結果與分析 52
5-4-1 1000CPS膠水測試分析 52
5-4-2 5000CPS膠水測試分析 55
第六章 結論與未來建議 57
參考文獻 59

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