参考文献

Bradbury, Barton J.; Deshpande, Milind; Pucci, Michael J.; Wang, Qiuping; Wiles, Jason Allan; Song, Yongsheng; Hashimoto, Akihiro; Lucien, Edlaine Patent: US2006/100215 A1, 2006 ; Location in patent: Page/Page column 19 ;