Patent ID: 6531946
Filing Date: 2003-03-11
Classification: H01F,Y10T

Abstract:
A low noise and low loss reactor comprising:a wound and laminated iron core formed by winding a soft magnetic thin strip into a circular ring shape or ellipticall ring shape; and a rectangular conductor wire wound in an upright orientation around almost an entire outer periphery of the wound and laminated iron core; wherein a cross sectional shape of the wound and laminated iron core vertical to a peripheral direction of the ring shape is any one of: (i) a circular shape, (ii) an elliptical shape, (iii) a substantially regular polygon of at least 6 sides, (iv) a shape encircled by a pair of point-symmetrically positioned circular arcs or elliptical arcs with a nearly straight line connecting respective edges of the pair of circular arcs or elliptical arcs on both sides of the pair of circular arcs or elliptical arcs, and (v) a shape of a substantially regular polygon of at least 4 sides whose apexes comprise a circular arc or an elliptical arc.