参考文献

Caldwell, Richard D.; GUCKIAN, Kevin M.; KUMARA VEL, Gnanasambandam; LEE, Wen-Cherng; LIN, Edward Yin-Shiang; LlU, Xiaogao; MA, Bin; SCOTT, Daniel M.; SHl, Zhan; THOMAS, Jermaine; TAVERAS, Arthur G.; ZHENG, Guo Zhu Patent: US2014/100195 A1, 2014 ;