One of the most popular product identification technologies is the two-dimensional Data Matrix code. This article covers the technologies for placing these codes directly on parts and for reading them.
One of the most popular methods of identifying a part is with a two-dimensional (2D) Data Matrix code. This compact checkerboard code has become the mark of choice for the electronics, automotive and aerospace industries during the past few years. The code is in the public domain and has the support of major standards organizations.