지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수3
2018
CHAPTER 1. INTRODUCTION 9CHAPTER 2. THEORETICAL BACKGROUND 112.1 Electronic packaging 112.2 Conditions of various surface finishes on electronic packaging 132.2.1 ENIG 132.2.2 ENEPIG 132.2.3 Thin ENEPIG 142.2.4 Comparison of ENIG, normal ENEPIG and thin ENEPIG 142.3 Soldering 182.4 Solder ball 18CHAPTER 3. EXPERIMENTAL PROCEDURES 203.1 Solder alloy and reflow process 203.2 Aging test 233.3 Analysis of interfacial reaction 233.4 Evaluation of mechanical reliability 233.4.1 Ball shear test 233.5 Various test conditions of normal ENEPIG and thin ENEPIG 263.5.1 Interfacial reaction and mechanical property analysis of normal ENEPIG and thin ENEPIG with reflow time 263.5.2 Interfacial reaction and mechanical property analysis of normal ENEPIG and thin ENEPIG with aging time and shear speed 263.5.3 Mechanical property analysis of thin ENEPIG with shear speed 263.6 Various surface finish conditions and test conditions of thin ENEPIG 273.6.1 Thin ENEPIG with Ni and Pd thickness 273.6.2 Thin ENEPIG with Pd content, aging time and shear speed 27CHAPTER 4. RESULTS AND DISCUSSION 284.1 Comparison of normal ENEPIG and thin ENEPIG 284.1.1 Comparison and evaluation of interfacial reaction between normal ENEPIG and thin ENEPIG with reflow time 284.1.2 Comparison and evaluation of interfacial reaction and shear strength between normal ENEPIG and thin ENEPIG with aging time 324.1.3 Comparison and evaluation of brittle fracture rate between normal ENEPIG and thin ENEPIG with shear speed 384.2 Surface finish optimization of thin ENEPIG 434.2.1 Optimization of Ni thickness 434.2.2 Optimization of Pd thickness 494.3 Effect of Pd content, aging time and shear speed 55CHAPTER 5. CONCLUSIONS 67REFERENCES 71ABSTRACT 78
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