List Pattern structure and method of manufacturing the pattern structure Authors Jaeseung Chung, Dongouk Kim, Joonyong Park, Jihyun Bae, Bongsu Shin, Sunghoon Lee, Sukgyu Hahm, Jong G. Ok, Ilsun Yoon Country US patent Application# (Date) granted; US 9784896 B2 Category Patents Link https://patents.google.com/patent/US9784896B2 granted on Oct 10, 2017.
