参考文献
Seong, Churlmin; Park, Nosang; Jung, Yungsik; Choi, Jinil; Park, Wookyu; Cho, Heeyung; Kong, Jaeyang; Jung, Daeyoung; Kang, Sunhee; Song, Sukjin; Kwark, Kyungran
Patent: US2006/84676 A1, 2006 ;
Location in patent: Page/Page column 8 ;
US 20060084676 A1