TACT 2011 is to provide an open forum to discuss the current status of the scientific and technological achievements in coatings and thin films that are of great importance and interest to academic and industry. The conference also provides a stage for most updated information exchanges among scientists and engineers . There will be invited speeches, and contributed oral and poster presentations in the three-day conference. The conference will be held in a famous resort located in Kenting, Pingtung , Taiwan.