参考文献

Gutierrez, Corey; Termin, Andreas; Hadida-Ruah, Sara; Joshi, Pramod; Bergeron, Daniele; Yoo, Sanghee; Binch, Hayley; Come, Jon; Cao, Jingrong; Nanthakumar, Suganthi Patent: US2008/4261 A1, 2008 ; Location in patent: Page/Page column 138 ; US 20080004261 A1