In-Situ Real-Time Focus Detection during Laser Processing Using Double-Hole Masks and Advanced Image Sensor Software

by Binh Xuan Cao, Phuong Le Hoang, Sanghoon Ahn, Jeng-o Kim, Heeshin Kang, Jiwhan Noh
Published 2017-07-01

Design and Performance of a Focus-Detection System for Use in Laser Micromachining

by Binh Xuan Cao, Munju Bae, Hyonkee Sohn, Jiyeon Choi, Youngduk Kim, Jeng-o Kim, Jiwhan Noh
Published 2016-01-01

Investigation on Laser Welding of Al Ribbon to Cu Sheet: Weldability, Microstructure, and Mechanical and Electrical Properties

by Won-Sang Shin, Dae-Won Cho, Donghyuck Jung, Heeshin Kang, Jeng O Kim, Yoon-Jun Kim, Changkyoo Park
Published 2021-05-01