参考文献

KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY; PAE, Ae Nim; MIN, Sun Joon; ROH, Eun Joo; YANG, Ha Yun; KIM, Tae Hoon; PARK, Beoung Gun; CHO, Yong Seo Patent: US2014/114067 A1, 2014 ; Location in patent: Paragraph 0319-0320 ;