For a flyback inverter one of the design task is to keep the leakage inductance as low as possible. While there are limitations when it comes to the reduction of leakage inductance there exist methods to solve this issue. It must be kept in mind that the low leakage inductance is very much essential for efficient energy transfer to the output. Let us see how experts solve this issue.

1. Stretch the flux lines . This can be done by making the coil and core heights longer.
2. Reducing the space between the layers . This needs the reduction of number of winding layers because the leakage inductance is directly proportional to the number of layers.
3. Reduce the magnetic field . This can be achieved by using sandwiched winding.
4. Use wider strips for terminal leads. This way the parasitic inductance is minimized.
5. Distribute the air gap. This method will improve the coupling and hence low fringing flux.