Author's Latest Posts


Return On Investment Of A Pre-Reflow AOI System


This paper describes the losses from defects at the placement process in the SMT line. Two case studies of European and Taiwanese SMT manufacturers illustrate the actual losses from their defects. An evaluation method to select a pre-reflow AOI system maximizing the return on investment (ROI) is introduced. In the end, ROIs of three commercial pre-reflow AOI systems are compared to demonstrate ... » read more

Deep Learning For Corner Fill Inspection


When automated optical inspection (AOI) works, it is almost always preferable to human visual inspection. It can be faster, more accurate, more consistent, less expensive, and it never gets tired. But there are some challenging applications. Some tasks that are very simple for humans are quite difficult for machines. Object detection is an example. Given an image containing a cat, a dog and a d... » read more

Fluid Dispensing For Packaging Today’s Devices


Fluid dispensing systems are evolving in order to address the challenges that system-in-package (SiP) and micromechanical systems (MEMS) packages face, especially in regard to tight geometries and assembly processes. These packages, used in smartphones, have become more miniaturized, and as a result, have created added value in the market. However, they include a variety of small dies or dev... » read more

X-ray And Acoustic Inspection


X-ray and acoustic imaging are two very complimentary tools for non destructively inspecting the quality of electronics components. Both techniques give information on different aspects of component integrity. Click here to read more of this application note from Nordson's Test and Inspection division.   » read more