# mycoil.info > Knowledge base and empirical technical data for electromagnetic coil design, fine wire winding down to 0.010 mm, and precision coil topologies. Hosted by KUK Group. ## Technical Briefings - [Physics of Fine Wire Winding](https://www.mycoil.info/physics-ultra-fine-wire-winding-0-010mm): Limits of copper wire tensile strength down to 0.010 mm, closed-loop tension control, and micro-winding parameters. ## Core Calculators & Models - [Coil Resistance & Wire Gauge Reference](https://www.mycoil.info/glossary): Central technical definitions and electromagnetic variable reference. ## About the Author - [KUK Group](https://www.kukcoils.com/): Global specialist in customer-specific coil winding, custom bobbin designs, and microcoil assemblies.