The MirmexCoil Technology

7 Years of PhD Research. Multiple Awards.

MirmexCoil is a proprietary technology originally developed at MEED, a laboratory of UCLouvain. Its purpose is to create more compact and efficient BLDC motors.

In MirmexCoil micro-motors, the standard winding, made of copper wire is replaced by a winding printed on a flexible PCB. This process enabled new winding topologies and optimized coil shapes to be developed in order to maximize the torque of the motor.​

Measurements have shown an improvement in the power/torque density between 30 and 70% depending on the geometry of the motor. This gain can lead to higher power, lower volume or lower working temperature.

MirmexCoil micro-motors have the potential to considerably increase the design flexibility of motorized devices, especially for those operating on battery and/or where a compact and light design are particularly important. Its distinctive characteristics will especially be appreciated in the following fields:

  • Medical power devices

  • Orthopedics drills & saws

  • Dentistry & microsurgery tools, etc.

For more details, please have a look at the following publications or contact us.

    "Analysis of a new topology of flexible PCB winding for slotless BLDC machines", B. Dehez, F. Baudart, Y. Perriard, IEEE International conference on Electric Machines and Drives Conference (IEMDC), 2017.
    "Comparison of FPCB windings of BLDC machines with paralelly and radially magnetized rotor poles", B. Dehez, F. Baudart, Y. Perriard, IEEE International conference on Electrical Machines and Systems (ICEMS), 2014.
    "Shape optimization of flexible PCB slotless windings in BLDC machines", F. Baudart, B. Dehez, J. Denies, M. Markovic, Y. Perriard, IEEE International conference on Electrical Machines and Systems (ICEMS), 2013.