M00001731
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ISO/IEC TR 29158 1st Edition, October 15, 2011 Information technology - Automatic identification and data capture techniques - Direct Part Mark (DPM) Quality Guideline
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Availability date: 07/13/2021
Description / Abstract:
This Technical Report is an engineering document intended for
verifier manufacturers and application specification
developers.
This Technical Report describes modifications which are to be
considered in conjunction with the symbol quality methodology
defined in ISO/IEC 15415 and a symbology specification. It defines
alternative illumination conditions, some new terms and parameters,
modifications to the measurement and grading of certain parameters,
and the reporting of the grading results.
This Technical Report was developed to assess the symbol quality
of direct marked parts, where the mark is applied directly to the
surface of the item and the reading device is a two-dimensional
imager.
When application specifications allow, this method may also be
applied to symbols produced by other methods. This is appropriate
when direct part marked (DPM) symbols and non-DPM symbols are being
scanned in the same scanning environment. The symbol grade is
reported as a DPM grade rather than as an ISO/IEC 15415 grade.