Efficient illumination generated by LED multi-annular distribution for IC Device Detection
Lighting Research & Technology
Published online on February 16, 2026
Abstract
Lighting Research & Technology, Ahead of Print.
To solve the problems of severe reflection caused by local high illumination and shadow areas in the visual inspection of IC (Integrated Circuit) devices, this paper innovatively designs a multi-annular array light-emitting diode (LED) light source system ...
To solve the problems of severe reflection caused by local high illumination and shadow areas in the visual inspection of IC (Integrated Circuit) devices, this paper innovatively designs a multi-annular array light-emitting diode (LED) light source system ...