Mr. Nachtrieb has 30+ years of hands-on experience in barcode technology. His team imaged the film master for the first commercially scanned barcode in North America (1974). His specialty is barcode quality. He created and hosts a highly customized barcode quality seminar which has been presented to 100's of companies, reaching thousands of quality-concerned people, helping them to avoid barcode problems and manage barcode-related risk.

The Perfect Universal Verifier

The Perfect Universal Verifier First let’s define terms:  a “universal” verifier is one that tests both 1D or linear barcodes and 2D or matrix symbols. UPC, Code 128 and ITF14 are examples of 1D barcodes; QR Code and Data Matrix Code are examples of 2D symbols.  Having been in the barcode business—and the barcode quality…

How Important is Barcode Quality?

It seems like a rhetorical question—we’ve made the case over a few years and more than 150 articles that barcode quality is very important. We’ve said spectacular things like “barcodes are the connective tissue that holds supply chains together” and “bad barcodes used to be just a checkout line inconvenience; now they can mean life…

Verifying 2D symbols: A Brief History

For those of us familiar with verifying 1D barcodes like UPC and Code 128, migrating into 2D symbols like QR Code or Data Matrix seems very complicated. Why is that? With 1D barcodes it was a fairly straightforward process, starting with the Uniform Code Council’s Universal Product Code Symbol Specification and UPC Verification Manuals (1970’s).…

Anatomy of the Perfect Barcode

My mother always admonished my siblings and me that people would listen and learn more from a positive message than from a negative one. I hope she will forgive me for taking several years before writing this article about the perfect barcode. Horrible barcodes are so much more—interesting. But a truly perfect barcode is also…