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Dapra Marking Systems
A Division of Dapra Corporation
66 Granby Street
Bloomfield, CT 06002
Tel: 860-286-8728
Toll-Free: 800-442-MARK
Fax: 860-242-3017
sales@dapramarking.com

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2D Data Matrix Code Products

Data Matrix code markingMachine readable identification holds the key to manufacturing efficiency

Machine readable identification is fast becoming a trend throughout many industry sectors and is used to automatically identify a variety of products. Manufacturers are marking parts with machine-readable, permanent two-dimensional (2D) data matrix codes that are placed directly on the part itself. Then the part can be tracked throughout its entire life cycle, including manufacturing and supply chain operations. This is called Direct Part Mark Identification (DPMI), or Auto-ID. Established industry DPMI specifications and 2D marking guidelines are listed in the table below.

DPMI enables many tangible benefits for manufacturers. This practice:

• Improves manufacturing process performance
• Identifies quality defects through in-service tracking
• Eliminates manual part data entry errors
• Supports data logging and automated data collection
• Increase yields, and
• As a result, reduces the direct and indirect costs of manufacturing.

Many manufacturers rely on Auto-ID as well to track high-value parts to prevent theft or counterfeiting, identify parts for maintenance and returns, and to resolve warranty issues and liability claims.

Data Matrix code structure
The two-dimensional 2D Data Matrix code consists of an arrangement of small dots or squares, marked as either a square or rectangle. Invented by RVSI Acuity CiMatrix, the Data Matrix Code is a digital 2D, machine readable symbology that is capable of storing large amounts of information within a small physical space. This code has been adopted by many industries, including aerospace, automotive, and electronic, as the best symbology for reliable, direct part marking. Compared to linear barcodes, Data Matrix encodes much more data – 25 to 100 times more information – into a smaller area, allowing code placement on a wide range of product configurations. Data Matrix requires less contrast (as low as 20%) between the code and the marking surface than linear barcodes. This allows the code to be marked on difficult surfaces of metal, non-metallic, and plastic components. Built-in error correction allows the encoded information to be captured even if the Data Matrix symbol is somewhat degraded.

DAPRA Marking Systems offers a wide variety of marking systems to encode 2D symbols directly on parts. These include dot peen and laser marking systems. In addition, DAPRA Marking Systems supplies both fixed-station and hand-held data matrix readers and verifiers from Cognex and Microscan.


2-D Data Matrix Products
Cognex In-Sight 5110 Cognex DataMan 6400 and 6500
Fixed-Station Readers and Verifiers Hand-Held Readers
Fixed-mount stations for reading and verification integrate lighting, camera, ID software, processor and communications into industrial-grade designs. Hand-held readers for use in areas where part handling is not automated, at test and rework stations and in operations where parts vary greatly in size.

Industry Specifications & Guidelines
International Standards
ISO/IEC 16022 Bar Code Symbology Specification – Data Matrix
ISO/IEC 15415 Bar Code Print Quality Test Specification – Two-Dimensional symbols
Automotive Industry Action Group (AIAG) Standards
B-1 Bar Code Symbology Standard
B-4 Parts Identification and Tracking Application Standard
B-13 2D Symbology White Paper
B-14 Guidelines for use of Two-Dimensional Symbols with the B-10 Trading Partner Labels
B-17 2D Direct Parts Marking Guideline
U.S. Dept. of Defense (DoD) Standards
MIL-STD-130 Identification Marking of U.S. Military Property
Air Transport Association (ATA) and
International Aerospace Quality Group (IAQG) Standards
ATA Spec 2000
Chapter 9
Automated Identification and Data Capture
AS9132 Data Matrix (2D) Coding Quality Requirements for Parts Marking
NASA Standards
NASA-STD-6002 Applying Data Matrix Identification Symbols on Aerospace Parts
NASA-HDBK-6003 Application of Data Matrix Identification Symbols to Aerospace Parts Using Direct Part Marking Methods/Techniques
Electronics Industry Association (EIA)
EIA 706 Component Marking
EIA 802 Product Marking
AIM Global
AIM DPM-1-2006 Direct Part Marking (DPM) Quality Guideline

 

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