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9. September 2019

3D printing of conductive tracks directly on component surface

ITA | ITA develops an innovative 3D printing process to create conductive tracks directly on component surfaces. The process is transferrable to various substrate materials and types of components and is supposed to be faster and more environmental-friendly than established processes.

A novel production process for the generation of 3D conductive tracks on spatial circuit carriers is being developed at ITA within the research project "3D-CopperPrint". The circuit carriers are wetted with copper-filled pastes and the tracks are then treated in a subsequent laser sintering process.
In contrast to conventional MID technology, no chemical metal deposition is used which is extremely harmful to the environment. In addition, less process steps are needed and the process is not limited to specific substrate materials.
The innovative process is a progressive development of additive manufacturing. Using 3D printing, electrical functional elements can be created directly on the component surface (see Figure 2). This bears high potential in batch production. Thinkable are medical applications like tailored hearing aids (see Figure 1) or hip implants with electronic functions (see Figure 3).

by Ejvind Olsen

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Significance for the production

  • Fast: less process steps compared to established MID technology
  • Environment-friendly: conductive track generation without chemical metal deposition
  • Flexible: transferrable to various substrate materials and component types
ITA_3D-CopperPrint_Bild1_01
Hearing aid component with sintered conductive tracks. (Photo: J. Stelling, ITA)
ITA_3D-CopperPrint_Bild2_01
Electro-mechanical hybrid component created on a 3D printer. (Photo: A. Fomenko, ITA)
ITA_3D-CopperPrint_Bild3_01
Hip implant model with integrated electronics. (Photo: A. Fomenko, ITA)

Contact

Ejvind Olsen, M. Sc.

+49 (0)511 762-18329
ejvind.olsen@ita.uni-hannover.de
www.ita.uni-hannover.de

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