In the automotive industry, precision and long-term stability are not optional – they are essential requirements. For a high-performance ECU interface used in the measurement and calibration of control units, a front panel label was required that combines functionality and durability while reliably meeting the tightest tolerance specifications in a stable production process.
The label is far more than just a carrier of information. It is made from a highly durable polycarbonate material, integrates variable elements such as serial numbers and coding, and features defined functional windows equipped with specialized coatings for targeted light diffusion. To provide additional protection against mechanical and thermal stress, the print is applied in reverse on the back side and combined with a high-performance adhesive to ensure a permanent bond with the front surface of the plug-in card.
Strict requirements for labeling
Vector Informatik GmbH (Vector), headquartered in Stuttgart, is a global leader in software tools, embedded components, and services for the development of electronic systems for automotive ECUs. The company’s hardware and software solutions are primarily used by OEMs and suppliers in safety-critical development processes.
Accordingly, the requirements for components and labeling systems are extremely high: dimensional accuracy within the tightest tolerances, color and process stability, and outstanding product durability are key decision criteria – for both product management and strategic procurement.
High demands on material and label functionality
A particular focus was placed on combining design requirements with a functional layer architecture. The specification called for a technically sophisticated reverse-printed label based on polycarbonate, integrating multiple functions within a compact design.
The printed image needed to be permanently protected behind the material, while defined window areas had to enable controlled light transmission. In addition, a white barrier layer was required to ensure opacity. Achieving this required the combination of multiple technologies and their respective strengths to create a unified construction that meets all process parameters and customer requirements.
Another challenge was the integration of variable coding within the production process.
The label needed to meet the following requirements:
- Permanent adhesion to the measurement device
- Resistance to chemicals, temperature, and abrasion
- Reverse-side printing (protection against mechanical stress)
- Integration of variable barcodes
- Consistent, long-term color accuracy according to RAL standards
- Defined, non-adhesive transparent window zones with controlled light diffusion
- Series production capability with stable process speeds and fluctuating demand volumes
- Manufacturing in an efficient single-pass process
The result
The result is a highly durable interface label that ensures reliable adhesion throughout the entire product lifecycle, protects sensitive information, and integrates seamlessly into the high-quality product design.
The combination of reverse printing, functional screen printing layers, and customized digital print features – together with transfer adhesive technology and precision laser die-cutting – makes this label an integral part of the device and a true high-end identification solution.
What this project demonstrates about robos-labels
Robos-labels combines material expertise, hybrid printing technologies, adhesive know-how, and precision converting into integrated high-performance solutions for the technical industry, as well as automotive and mobility applications.
The result is functional labeling that goes beyond conveying information – it meets the highest demands of the mobility industry.
