参考文献

Salvati, Mark E.; Balog, James Aaron; Shan, Weifang; Giese, Soren Patent: US2003/114420 A1, 2003 ; US 20030114420 A1 Title/Abstract Full Text Show Details Salvati, Mark E.; Balog, James Aaron; Shan, Weifang; Giese, Soren; Harikrishnan, Lalgudi S. Patent: US2004/77606 A1, 2004 ; US 20040077606 A1