Fast and Reliable Inspection of Printed Circuit Boards with Digital Microscopy

May 23, 2016

Digital microscopy has been used more and more for inspection, quality control and assurance (QC/QA), failure analysis (FA), and research and development (R&D) in the microelectronics industry, especially for printed circuit boards (PCBs). Digital microscopes are practical to use and allow an efficient workflow for inspection. Here the advantages of the following digital microscope features are discussed: i) rapid, easy tilting and rotation to view the sample from different perspectives, ii) integrated illumination for versatile contrast, iii) high dynamic range (HDR) imaging, and iv) large mosaic overview of the sample.

Digital microscopes have no eyepieces and the image is observed directly on a monitor. With the Leica DVM6 digital microscope, for example, users can quickly record high quality, reliable image data and easily make measurements and analysis during inspection of microelectronic parts, such as PCBs. Efficient inspection, QC/QA, FA, and R&D of microelectronics is achieved.

Fig. 1: Leica DVM6 image of a PCB area recorded with ordinary ring light illumination, no HDR, nor accessory. Glare from soldered leads of the voltage regulator (red circle).
Fig. 2: Same PCB area as on the left, imaged with ring light illumination plus HDR, no accessory. No glare from soldered leads of the voltage regulator (red circle).

Download Free Report

In this report, we explain how a digital microscope makes the inspection workflow efficient, how you can view PCB components from different perspectives using tilting and stage rotation and how you can apply versatile illumination for multiple contrast methods and high dynamic range (HDR) imaging.

Register to download the free report in Englisch,
(Bestückte Leiterplatten schnell und zuverlässig mit dem Digitalmikroskop prüfen),
French (Inspection rapide et fiable de circuits imprimés par microscopie numérique),
Italian (La microscopia digitale consente un'ispezione veloce e affidabile dei circuiti stampati), or
(Inspección rápida y fiable de placas de circuitos impresos con microscopía digital).

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