参考文献

Kosogof, Christi; Liu, Bo; Liu, Gang; Liu, Mei; Nelson, Lissa T.J.; Serby, Michael D.; Sham, Hing L.; Szczepankiewicz, Bruce G.; Xin, Zhili; Zhao, Hongyu Patent: US2005/70712 A1, 2005 ; Location in patent: Page/Page column 26 ;