参考文献

Sheppeck, James; Dhar, T.G. Murali; Doweyko, Lidia; Gilmore, John; Weinstein, David; Xiao, Hai-Yun; Yang, Bingwei V.; Doweyko, Arthur M. Patent: US2006/154973 A1, 2006 ; Location in patent: Page/Page column 47 ;