参考文献

Barvian, Kevin K; Carpenter, Andrew J; Cooper, Joel P; Feldman, Paul L; Garrido, Dulce M; Guo, Yu C; Handlon, Anthony L; Hertzog, Donald L; Hyman, Clifton E; Peat, Andrew J; Peckham, Gregory E; Speake, Jason D; Swain, William R; Tavares, Francis X; Zhou, Huiqiang J Patent: US2006/194871 A1, 2006 ; Location in patent: Page/Page column 46 ; US 20060194871 A1