参考文献

Caprathe, Bradley William; Glase, Shelly Ann; Konstantinou, Zissis; Schelkun, Robert Michael; Sheehan, Susan M.; Thomas, Anthony Jerome; Yuen, Po-Wai Patent: US2005/96327 A1, 2005 ; Location in patent: Page/Page column 28 ; US 20050096327 A1