electronics-pcb

Direct Part Mark (DPM) Data Matrix (DPM Data Matrix)

Data Matrix applied directly to component surfaces via laser etching, dot-peen, or electrochemical marking — the standard for aerospace parts, automotive components, and defense equipment lifecycle tracking.

Governing Specification: ISO/IEC 16022 / ATA Spec 2000 / MIL-STD-130N

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Data Format & Required Fields

ECC 200 Data Matrix optimized for low-contrast, curved, and reflective direct-mark surfaces. Requires enhanced decoding algorithms (DPM mode) to overcome surface noise from metal finishes and stamping distortions.

Allowed Character SetFull ASCII (0-127); typically part serial, cage code, and NSN.

Payload Length Rule Between 1 and 2335 characters

Example Valid FormatPRX-ATA-CAGE-19200-SN-98432-REV-D

Industry Guidance & Practical Applications

Aerospace turbine blades, engine components, and structural fasteners (ATA Spec 2000)
Automotive engine block castings, transmission parts, and brake components (AIAG B-10)
Military equipment and defense hardware lifetime tracking (MIL-STD-130N)

Packaging & Scanning Notes: Mandatory for AS9100 Rev D aerospace manufacturing quality systems; essential for Indian defence PSU supply chain compliance.

Symbol Constraints & Label Guidelines

Requires industrial 2D area imager with DPM decoding firmware.
Minimum X-dimension driven by substrate surface roughness and marking process capability.