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.

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