CQ

C Qian

14 records found

A typical cement-based exterior wall consists of a top coat, a base coat, an insulation layer, a steel frame and an interior layer. The top coat and the base coat are often made of mortar. Efflorescence at the surface of the top coat is a critical problem from the aesthetic point ...
Due to low power consumption, long lifetime and many other advantages, Light-emitting Diode (LED) has increased dramatically all over the world. Chip Scale Package (CSP) LED is a new LED package with small size, high current, and high reliability. For the CSP LED with smaller siz ...