參考文獻:
Basha, Anwer Bunnelle, William H. Dart, Michael J. Gallagher, Megan E. Ji, Jianguo Li, Tao Pace, Jennifer M. Ryther, Keith B. Tietje, Karin R. Mortell, Kathleen H. Nersesian, Diana L. Schrimpf, Michael R. Patent: US2005/101602 A1, 2005 Location in patent: Page/Page column 25