Jong-Sub Lee

Characteristics of a Miniaturized Ultrasonic Motor for Auto-focusing of a Mobile Phone

Kee-Joe Lim, Seong-Hwa Kang, Jong-Sub Lee, 2006 .

Discontinuity detection ahead of a tunnel face utilizing ultrasonic reflection: Laboratory scale application

Dong-Hyun Kim, In Mo Lee, Jong-Sub Lee, 2009 .