EN ISO/IEC 15421:2001

Foreword
Introduction
1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Symbols and abbreviated terms
6 Physical requirements
  6.1 Material
       6.1.1 Dimensional stability
       6.1.2 Archival properties
  6.2 Physical requirements controlled by the
       manufacturing process
       6.2.1 Target bar width
       6.2.2 Bar width adjustment
  6.3 Tolerances
       6.3.1 Tolerance A - all symbologies
       6.3.2 Tolerance B - two width symbologies
       6.3.3 Tolerance C - (n,k) symbologies
       6.3.4 Tolerance D - all symbologies
  6.4 Bar edge characteristics
       6.4.1 Bar edge conformance
       6.4.2 Bar edge gradient
  6.5 Defects
  6.6 Quiet zones
  6.7 Corner marks
  6.8 Optical densities
       6.8.1 Minimum density (D[min])
       6.8.2 Maximum density (D[max])
  6.9 Orientation
  6.10 Polarity
  6.11 Encodation
  6.12 Human readable interpretation
7 Test methods
  7.1 Bar and space width measurement
       7.1.1 Conditions for dimensional measurements
       7.1.2 Calculation of the achieved bar width
             adjustment
  7.2 Test report and traceability
Annex A (informative) Optical density profiles

Defines the physical and related attributes of a bar code master and quality to assist in its use.