Nonuniform laser scribing techniques and resulting products

Details Nonuniform laser scribing techniques and resulting products Nonuniform laser scribing techniques and resulting products

H - Electricity

01

F

317/26, 336/75,

H01F 27/24 (2006.01)

Patent

CA 1263160

26 51,967 ABSTRACT OF THE DISCLOSURE Methods of nonuniform transverse laser scribing are utilized to vary the permeability of a ferromagnetic sheet having a large domain size. Permeability may be varied across the width, across the length, or simultane- ously across both the width and length of the sheet. In addition ferromagnetic sheets having been uniformly trans- versely scribed by differing techniques resulting in a uniform permeability within a sheet, but sheet to sheet permeability variations, may be combined in a transformer to control flux distribution, to reduce core loss.

483913

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