MIL-STD-130N
w/Change 1
5.2.7.2.2 Calibration. Calibration processes and materials for reflectance criteria provided by the verifier manufacturer are acceptable for printed labels when referenced to the nationally traceable standard (GS1 US Calibrated Conformance Standard Test Cards).
5.2.7.2.3 Curved surfaces. For Data Matrix symbols on a curved surface, the overall symbol size shall not exceed more than 32% of the radius (16% of the diameter or 5% of the circumference) associated with the curvature of the surface.
5.2.7.2.4 Very small parts. For very small parts in addition to applying a "bag and tag" approach to marking, strong consideration should be given to physically marking these parts using the IUID approach even when the marking cannot meet the minimum physical requirements specified in para 5.2.3.2. Permission to deviate would be allowed when contract requirements dictate a need for traceability of critical application items (e.g. electronic components, critical safety items) for the purposes of anti-counterfeiting.
5.2.7.2.5 Other quality methodologies. If the preceding quality measuring methodologies specified are non-responsive, quality acceptance levels shall be identified within the individual contract or order.
5.2.8 Obliteration of direct marked Data Matrix symbol. When a Data Matrix symbol mark is unacceptable (unreadable, in error, etc.) and cannot be removed or otherwise repaired, replaced or re-worked without deleterious effect to the marked item, it shall be crossed out as shown in Figure 15 using two diagonal lines crossing each other through the center of the Data Matrix symbol and two other lines (one vertical the other horizontal) through the two interrupted frame lines (finder pattern) of the Data Matrix symbol. The marking method used shall be determined by the current design authority.
5.3 Free text marking protocol for item identification. The free text marking protocol shall be used when MRI is not used. The following numbered subparagraphs describe the free text marking protocols for use when both the PIN and the item's source (manufacturer or supplier) EID are marked as free text (see Figure 11). Free text abbreviations are provided in Table VIII. The free text marking protocols include design activity information requirements that are not included in the MRI protocols. Additional free text information may be included when specified by the acquiring activity or when deemed essential by the design activity.
a. Deleted. b. Deleted.
c. When parts are deemed too small for application of complete marking, a logo or other abbreviated marking shall be substituted for the design activity identifier. A complete item mark as part of the MIL-STD-129 markings shall then be applied to the packaging (see 4.1.b).
5.3.1 Part mark when the source manufacturer is the design activity. The identification marking shall be arranged as shown inside the bordered examples that follow:
a. When the manufacturer is the original design activity (ODA).
69806-1234567-101 Item Identification
ODA PIN
ODA CAGE or NCAGE (see 3.2)
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