Seok Jung Kim

Radial Tilt Detection Using One Beam and Its Compensation in a High-Density Read Only Memory

Tae-Yong Doh, Chong Sam Chung, Dong-ho Shin, 2001 .

High Response Twin-Objective Actuator with Radial Tilt Function for Blu-ray Disc Recorder

Chong Sam Chung, Seok Jung Kim, Tae Youn Heor, 2005 .

A COMPACT DISC-RECORDABLE COMPATIBLE DIGITAL VERSATILE DISC PICKUP WITH A LENS FOR 780 NM AND 650 NM WAVELENGTHS

Chong Sam Chung, Pyong Yong Seong, Jang Hoon Yoo, 1998 .