Patent ID: 6664883
Filing Date: 2003-12-16
Classification: H01F,H05K,Y10T

Abstract:
A method for winding conductors for providing magnetic fields on a PCB having a plurality of conductive layers, comprising the steps of:winding a first coil having an inward clockwise spiral with a specified number of turns toward a central core on a first conductive layer of the PCB, terminating the inward spiral at an electrical via connection passing through a second conductive layer without making electrical contact, and making electrical contact to a third conductive layer; winding a second coil having a single turn on the second conductive layer of the PCB, and terminating the winding at an electrical via passing through the third layer without making electrical contact, and making electrical contact to a fourth conductive layer of the PCB; winding a third coil having an outward clockwise spiral with a specified number of turns away from the central core on an area of the third conductive layer of the PCB which is disposed to be directly underneath the location of the first coil; and winding a fourth coil having a single turn on the fourth conductive layer of the PCB on an area of the fourth conductive layer that is disposed to be directly underneath the second coil.