参考文献

Zablocki, Jeff; Abelman, Matthew; Organ, Michael; Bilokin, Yaroslav; Diamond, Ivan; Arolfo, Maria Pia; Yao, Lina; Fan, Peidong; Elzein, Elfatih; Kalla, Rao; Perry, Thao; Kobayshi, Tetsuya; Lee, Xiaofen; Jiang, Robert Patent: US2008/32995 A1, 2008 ; Location in patent: Page/Page column 22 ; US 20080032995 A1