Custom-Designed Miniature-Coil Winding/Wrapping Machine

Balraj S. Mani, Bilal Adra, Nuggehalli M. Ravindra

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Magnetic field assisted assembly techniques are gaining acceptance as a novel concept in the intricate placement of devices on substrates at the wafer-level. The research into such innovative techniques requires creation of a uniform magnetic field to begin with. This will require a large array of milli-scale electromagnets needing a large number of miniature electromagnetic coils of uniform size. Such coils are required in varying lengths from 5.0 to 25.0 mm, core diameters ranging from 0.5 to 2.0 mm and wire sizes ranging from AWG 24 to 32. Dual-layer coils will more than double the magnetic field strength compared to monolayer coils. In addition, dual-layer coils will result in a coil structure in which the leads will terminate at the same end of the coil.

Original languageEnglish (US)
Title of host publicationTMS 2022 151st Annual Meeting and Exhibition Supplemental Proceedings
PublisherSpringer Science and Business Media Deutschland GmbH
Number of pages10
ISBN (Print)9783030923808
StatePublished - 2022
Event151st Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2022 - Anaheim, United States
Duration: Feb 27 2022Mar 3 2022

Publication series

NameMinerals, Metals and Materials Series
ISSN (Print)2367-1181
ISSN (Electronic)2367-1696


Conference151st Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2022
Country/TerritoryUnited States

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy Engineering and Power Technology
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry


  • Coil winding
  • Coil wrapping
  • Milli robots


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