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For assembly process, materials are important like substrate, bump type, UF type… etc. We focus on the surface of substrate in this research. The surface is one of the key factors to widen the process window with same process condition. Roughness will impact the flowing capability of UF dispensing and adhesion. It may cause void issue, poor adhesion and reliability fail. In this study, plasma and...
The conventional series resonant converter (SRC) is not suitable for low input voltage and high output voltage DC/DC conversion applications. An interleaved SRC with a secondary-side resonant tank is presented in this paper to solve the resonant component design problem caused by small characteristic impedance (Zo). To support interleaving operation, two SRCs are connected in parallel with a 90 phase...
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