TY  - SER
AU  - lim, Kee-Joe
AU  - Lee, Jong-Sub
AU  - Kang, Seong-Hwa
TI  - Characteristics of a Miniaturized Ultrasonic Motor  for  Auto-Focusing of a Mobile Phone
KW  - Autofocus
KW  - Bending Vibration
KW  - Fem
ER  -