| As per the Department of Defense mandate, the | | | | marked with Data Matrix ECC200 symbol. The |
| IUID of the items acquired by the department | | | | data elements required for the IUID marking are |
| should comply with the MIL-STD-130. | | | | encoded into the Data Matrix Symbol with the |
| MIL-STD-130N requires that all IUID qualifying | | | | syntax of ISO/IEC 15434. The formats for the |
| items should be marked with machine readable 2D | | | | marking are- |
| Data Matrix code and the codes are identified | | | | - Format 05 for Application Identifiers (AI) |
| with the help of sophisticated barcode readers. | | | | - Format 06 for Data Identifiers (DI) |
| The Requirements for the IUID Markings | | | | - Format 12 for Text Element Identifiers (TEI) |
| The MIL-STD-130 standard requires that the IUID | | | | The size of the modules should be minimum |
| marks of an item can be marked with the help of | | | | 0.0075 inch and maximum 0.025 inch. In case it is |
| identification plate, band, tag, or label. However, it | | | | a square symbol, the size should not exceed one |
| is essential for the contractors to ensure that the | | | | inch. |
| materials of the marking should not affect the | | | | Linear bar codes can be of Code 39 Symbols, |
| performance of the items. Again, care should be | | | | Code 128 Symbols, GS1-128. The range of the |
| taken to place the IUID marking in such a way | | | | ratio of wide elements to narrow elements can |
| that it doesn’t interfere the normal use of | | | | be anything from 2.1:1 to 3.1:1. |
| the items. | | | | Minimum Print Quality of IUID Symbols |
| The DoD requires that all marking should be | | | | The MIL-STD-130N has determined a minimum |
| permanent for the functional life time of the | | | | print quality for linear bar code and Data Matrix |
| items. The IUID marking should withstand adverse | | | | Symbols. |
| environmental conditions and chemicals, and resist | | | | For the Linear Bar Code IUID, the minimum grade |
| the cleaning procedures of the items. | | | | is 3.0 and it is measured with an aperture of 0.005 |
| The Marking Procedure of the IUID | | | | inch size with a 660nm light source wavelength. |
| According to the MIL-STD-130N, the DoD items | | | | The minimum quality of Data Matrix Symbol is |
| that qualify the IUID criteria should be marked | | | | measured with 0.005 inch aperture and 650 nm |
| with machine readable codes. The length of the | | | | ± 20 nm light source wavelength. It is |
| IUID code should be limited to 50 characters to | | | | essential for the DoD contractors to understand |
| comply with ISO/IEC 15459-4. All letters must be | | | | the IUID and MIL-STD-130N to build perfect IUID |
| capitals, where as the fonts can be any one from | | | | for the items. It also requires quality equipments |
| Futura, Arial, Trebuchet MS, Gothic, or any other | | | | and advanced manufacturing technology for |
| sans-serif fonts. However, it should be noted that | | | | manufacture of the IUID labels. As the IUIDs are |
| the numerals should be in Arabics. Otherwise, if | | | | designed to reduce the complexities of DoD |
| designated by Government standard or applicable | | | | management, care should be taken that they |
| industry Roman numerals can be used. | | | | should be developed in accordance with the |
| According to ISO/IEC 16022 the IUID should be | | | | MIL-STD-130N standards. |