Rodgers, James D.; Shepard, Stacey; Arvanitis, Argyrios G.; Wang, Haisheng; Storace, Louis; Folmer, Beverly; Shao, Lixin; Zhu, Wenyu; Glenn, Joseph Patent: US2010/298334 A1, 2010 ; Location in patent: Page/Page column 120 ; US 20100298334 A1