How Do You Test a Bar Code?

Maybe the first question is why do you test a bar code—why is it necessary? It is necessary to test a bar code because when it doesn’t work right, it causes huge problems and potentially huge liability. Bar codes hold the retail supply chain together and make it possible to track the movement of foods,…

Bar Width Reduction

Bar width reduction or BWR is compensation in the bar code data file for press or dot gain. The act of putting ink onto a substrate almost always results in that image spreading. Scanning a bar code is negatively impacted by fattened bars and thinned spaces.  Bar width reduction factors the design file, reducing bar…

Barcode Quality in the Healthcare Industry

  The guest author for this article is George Wright IV, Vice President, Consulting and Business Development at Product Identification and Processing Systems, Inc.He is the vice-chairman of AIM’s Unique Device Identification Committee and editor of the recently revised “HDMA Guidelines for Bar Coding in the Pharmaceutical Products Supply Chain.”   In the broadest of terms,…