参考文献

BARTOLOZZI, Alessandra; CHEN, Zhidong; DINES, Jonathon Alan; LO, Ho Yin; LOKE, Pui Leng; OLAGUE, Alan; RIETHER, Doris; TYE, Heather; WU, Lifen; ZINDELL, Renee M. Patent: US2013/196967 A1, 2013 ; Location in patent: Paragraph 0224; 0225 ;