LOW-PROFILE TRANSFORMER AND METHOD OF MANUFACTURING THE TRANSFORMER

摘要

A low−profile transformer for switching power supply,wherein insulating paper(13)having at least one of pressure sensitive adhesive and adhesive agent on both surfaces is inserted between low−profile coil layers at at least one position to form a multi−layer coil,and magnetic cores(15)are assembled from the upper and lower sides of the multi−layer coil,whereby a variation in distances between upper and lower coils(11)and coils(12)and distances between the coils(11)and(12)and the magnetic core(15)can be suppressed.