METHOD FOR DATA MATRIX PRINT QUALITY VERIFICATION

摘要

A method of verifying data matrix print quality (2) utilizing center offset (7) for dot pen or inkjet marks, and size offset for laser etched or printed marks. The method of the present invention builds on the AIM specification and provides additional measures (3) to determine the quality of the data matrix marks. Center offset and size offset measurements (11) are employed to determine the data matrix quality.