National Chiao Tung University

NCTU is one of the oldest and most prestigious universities in Taiwan,


NCTU was originally established in Shanghai in 1896, and re-established in Taiwan by former Chiao Tung University faculty and alumni members in 1958, following the government of the Republic of China's forced relocation to Taiwan after the Chinese Civil War. The university's main campus is located close to the Hsinchu Science Park, Taiwan's national research center. The area is referred to as the Silicon Valley of Asia. More than 400 technology companies have been established in the park. The NCTU campus is also one of top tourist attractions in Hsinchu area.

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1 technical article »

Anisotropic grain growth and crack propagation in eutectic microstructure under cyclic temperature annealing in flip-chip SnPb composite solder joints

Jun 19, 2014 | Y.C. Liang, H.W. Lin, H.P. Chen, C. Chen, K.N. Tub, Y.S.Lai

For high-density electronic packaging,the application of flip-chip solder joints has been well received in the microelectronics industry. High-lead(Pb) solders such as Sn5Pb95 are presently granted immunity from the RoHS requirements for their use in high-end flip-chip devices, especially in military applications. In flip-chip technology for consumer electronic products, organic substrates have replaced ceramic substrates due to the demand for less weight and low cost. However, the liquidus temperatures of high-Pb solders are over 300°C which would damage organic substrates during reflow because of the low glass transition temperature. To overcome this difficulty, the composite solder approach was developed......

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