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      플립칩 접합용 초음파 혼의 CFD 열유동 해석

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      https://www.riss.kr/link?id=A76330463

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      다국어 초록 (Multilingual Abstract)

      This paper introduce the CFD analysis for predicting the heat transfer at the Ultrasonic horn. Approximately Ultrasonic horn separates two part. One is preheating part and the other is cooling part. Temperature of preheating part rise up by 260℃ that make it possible to attach a chip to a semiconductor. Also there is a piezo material in the cooling part. When piezo work, it generates heat of 100℃. It can stand by 150℃. But the high temperature conducted from the preheating part has a bad affect on the piezo. These situation make it necessary cooling at piezo. Previously except of the piezo, all of them are composed of the SUS440c that has good thermal conductivity. This study shows way that not only cooling the piezo but also cutting off the conduction between preheating part and cooling part by using the Ti and Duralumin that have low thermal conductivity compare with the SUS440c. Conclusion of CFD analysis that the heat coming from the piezo can`t be transferred the horn cause of the Ti and Duralumin.
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      This paper introduce the CFD analysis for predicting the heat transfer at the Ultrasonic horn. Approximately Ultrasonic horn separates two part. One is preheating part and the other is cooling part. Temperature of preheating part rise up by 260℃ tha...

      This paper introduce the CFD analysis for predicting the heat transfer at the Ultrasonic horn. Approximately Ultrasonic horn separates two part. One is preheating part and the other is cooling part. Temperature of preheating part rise up by 260℃ that make it possible to attach a chip to a semiconductor. Also there is a piezo material in the cooling part. When piezo work, it generates heat of 100℃. It can stand by 150℃. But the high temperature conducted from the preheating part has a bad affect on the piezo. These situation make it necessary cooling at piezo. Previously except of the piezo, all of them are composed of the SUS440c that has good thermal conductivity. This study shows way that not only cooling the piezo but also cutting off the conduction between preheating part and cooling part by using the Ti and Duralumin that have low thermal conductivity compare with the SUS440c. Conclusion of CFD analysis that the heat coming from the piezo can`t be transferred the horn cause of the Ti and Duralumin.

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      목차 (Table of Contents)

      • Abstract
      • 1. 서론
      • 2. 모델링 및 지배방정식
      • 3. 결과
      • 4. 결론
      • Abstract
      • 1. 서론
      • 2. 모델링 및 지배방정식
      • 3. 결과
      • 4. 결론
      • 후기
      • 참고문헌
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