by Scott Sabreen Question: What exactly are QR codes (I see them everywhere)? How do they differ from Data Matrix codes and can they be laser marked? As a plastics manufacturing company, should we use QR or Data Matrix? I use my cell phone app to read QR codes but I’m not sure if they can be read using industrial grade machine vision systems requiring ISO … [Read more...] about Q&A: Laser Marking QR and Data Matrix Codes