ASCEN Technology | https://www.ascen.ltd/Products/auto_optical_inspection/517.html
. A500 model is able to test HASL and red glue efficiently to improve solder image quality of after reflow and inspection results. It helps to solve the solder joints problems caused by PCB with different background
| https://www.eptac.com/wp-content/uploads/2021/11/webinar_eptac_12_17_08.pdf