ISO/IEC 15416:2016
Automatic identification and data capture techniques — Bar code print quality test specification — Linear symbols
ISO/IEC 15416:2016:
- specifies the methodology for the measurement of specific attributes of bar code symbols;
- defines a method for evaluating these measurements and deriving an overall assessment of symbol quality; and
- provides information on possible causes of deviation from optimum grades to assist users in taking appropriate corrective action.
ISO/IEC 15416:2016 applies to those symbologies for which a reference decode algorithm has been defined, and which are intended to be read using linear scanning methods, but its methodology can be applied partially or wholly to other symbologies.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
4.1 Abbreviated terms
4.2 Symbols
5 Measurement methodology
5.1 General requirements
5.2 Reference reflectivity measurements
5.2.1 General
5.2.2 Measurement light source
5.2.3 Measuring aperture
5.2.4 Optical geometry
5.2.5 Inspection band
5.2.6 Number of scans
5.3 Scan reflectance profile
5.4 Scan reflectance profile assessment parameters
5.4.1 General
5.4.2 Element determination
5.4.3 Edge determination
5.4.4 Decode
5.4.5 Symbol contrast (SC)
5.4.6 Edge contrast (EC)
5.4.7 Modulation (MOD)
5.4.8 Defects
5.4.9 Decodability
5.4.10 Quiet zone check
6 Symbol grading
6.1 General
6.2 Scan reflectance profile grading
6.2.1 Decode
6.2.2 Reflectance parameter grading
6.2.3 Decodability
6.3 Expression of symbol grade
7 Substrate characteristics
Annex A (normative) Decodability
Annex B (informative) Example of symbol quality grading
Annex C (informative) Substrate characteristics
Annex D (informative) Interpretation of the scan reflectance profile and profile grades
Annex E (informative) Guidance on selection of light wavelength
Annex F (informative) Guidance on number of scans per symbol
Annex G (informative) Example of verification report
Annex H (informative) Comparison with traditional methodologies
Annex I (informative) Process control requirements
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
4.1 Abbreviated terms
4.2 Symbols
5 Measurement methodology
5.1 General requirements
5.2 Reference reflectivity measurements
5.2.1 General
5.2.2 Measurement light source
5.2.3 Measuring aperture
5.2.4 Optical geometry
5.2.5 Inspection band
5.2.6 Number of scans
5.3 Scan reflectance profile
5.4 Scan reflectance profile assessment parameters
5.4.1 General
5.4.2 Element determination
5.4.3 Edge determination
5.4.4 Decode
5.4.5 Symbol contrast (SC)
5.4.6 Edge contrast (EC)
5.4.7 Modulation (MOD)
5.4.8 Defects
5.4.9 Decodability
5.4.10 Quiet zone check
6 Symbol grading
6.1 General
6.2 Scan reflectance profile grading
6.2.1 Decode
6.2.2 Reflectance parameter grading
6.2.3 Decodability
6.3 Expression of symbol grade
7 Substrate characteristics
Annex A (normative) Decodability
Annex B (informative) Example of symbol quality grading
Annex C (informative) Substrate characteristics
Annex D (informative) Interpretation of the scan reflectance profile and profile grades
Annex E (informative) Guidance on selection of light wavelength
Annex F (informative) Guidance on number of scans per symbol
Annex G (informative) Example of verification report
Annex H (informative) Comparison with traditional methodologies
Annex I (informative) Process control requirements
Bibliography