Patent ID: 8564396

Claim:
A laminar transformer having a double-face secondary winding, comprising: a primary winding part comprising: an isolating body seat having: a plurality of isolating channels, a plurality of connecting legs, and a containing channel at each of two ends of the isolating body seat, wherein the containing channel further has a central column; and a plurality of coil sets wound around the isolating body seat and positioned in and corresponding to the plurality of isolating channels; and a secondary winding part comprising two plate-body sets each positioned in the corresponding containing channel, and each of the plate-body sets comprising: a plurality of first and second plate bodies each having an opening for containing the central column, and a guided channel, wherein the guide channel of each first plate body is positioned on a first side of the opening, the guide channel of each second plate body is positioned on a second side of the opening, the guided channel has a pole lead on each side thereof, and an end of the pole lead further has a slot opening, and the plurality of first and second plate bodies are arranged in sequential order along the central column and the first plate bodies alternate with the second plate bodies; and a plurality of insulating bodies each being a ring-shaped structure, wherein the insulating bodies are arranged in-between the first plate bodies and the second plate bodies in sequential order along the central column, and each of the insulating bodies has a through hole for containing the central column; wherein each of the plate-body sets is formed made with four pole leads.