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Multi-functional In-Mold Electronics

Project description

Multi-functional and sustainable in-mould electronics

The demand for advanced electronic products in industrial, automotive and sensing applications is increasing the use of in-mould electronics, which integrate circuits and sensors into 3D moulded objects. However, challenges persist, especially with overmoulding processes, which currently only achieve an 85 % yield, which is too low for cost-effective production. The use of multi-material compounds complicates recycling efforts. Moreover, capacitive sensors often fail to function with gloves or provide haptic feedback, diminishing user experience. To address these issues, the EU-funded MULTIMOLD project aims to develop a manufacturing process for in-mould electronics using robust, weather-resistant materials that provide inherent recyclability by design. By integrating multimodal sensors, haptic feedback and power supply onto multi-functional surfaces MULTIMOLD expects to deliver products with enhanced performance and sustainability.

Objective

Film insert molding and in-mold decoration are standard processes in injection molding allowing to generate 3D shaped objects with seamlessly integrated graphics and high freedom in design. With the emerging functional printing of circuits and sensors, the field of in-mold electronics has extremely expanded covering several applications (i.e. Human Machine Interface in automotive and industries, condition monitoring and sensors in energy generation field, healthcare, etc.).

The entire manufacturing process for in-mold electronics includes several sub-processes, most of which have a high yield of ~ 99%. However, the yield for overmolding, which is crucial for the production of complex products, is 85% at best, resulting in an overall yield that is far too low and requires high tooling and process optimization costs. Since nowadays in-mold electronic products are multi-material compounds that are difficult to recycle they do not meet the requirements of European society and policy on sustainability and circularity. The currently used capacitive sensors are not usable with cold fingers or gloves and do not provide haptic feedback, thus leading to an unsatisfactory user experience. Moreover, the direct lightning by LEDs placed in the vicinity of capacitive sensors generates a substantial heat inside the injection-molded part, leading to low durability and bad user experience in the Human Machine Interface.

To overcome these limitations the objective of the MULTIMOLD project is to develop the next generation manufacturing process for products with complex geometries based on in-mold electronics with a robust, weather-resistant material concept that provides inherent recyclability by design. The MULTIMOLD complex products will combine advanced electronic functionality, multimodal sensors, haptic feedback, and power supply with micro- and nanostructured functional surfaces that may be light guiding, anti-bacterial, anti-icing, easy-to-clean and have appealing textures.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-IA - HORIZON Innovation Actions

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Call for proposal

(opens in new window) HORIZON-CL4-2023-TWIN-TRANSITION-01

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Coordinator

JOANNEUM RESEARCH FORSCHUNGSGESELLSCHAFT MBH
Net EU contribution
€ 1 438 571,05
Address
LEONHARDSTRASSE 59
8010 Graz
Austria
Region
Südösterreich Steiermark Graz
Activity type
Research Organisations
Links
Total cost
No data

Participants (12)