Patent ID: 6888439
Filing Date: 2005-05-03
Classification: H01F,H02K,Y10T

Abstract:
1. A method of manufacturing an electrical conductor winding comprising (a) forming a plurality of laminates of electrical insulation, each laminate of electrical insulation having a first surface and a second surface, the first surface of each laminate of electrical insulation being flat, the second surface of each laminate of electrical insulation having a slot, the laminates of electrical insulation comprises a glass or a glass-ceramic material, the glass-ceramic material comprises at least one phase whose combined thermal expansion substantially matches the thermal expansion of the electrical conductor, (b) forming at least one aperture through each laminate of electrical insulation from the slot to the first surface, (c) placing an electrical conductor in the slot in each laminate of electrical insulation, (d) placing an electrical connector in the aperture in each laminate of electrical insulation to connect the electrical conductor in the slot in one laminate of electrical insulation with the electrical conductor in the slot in an adjacent laminate of electrical insulation, (e) stacking the laminates of electrical insulation such that the first surface of one laminate of electrical insulation abuts the second surface of an adjacent laminate of electrical insulation, (f) heating the stack of laminates of electrical insulation such the first surface of one laminate of electrical insulation bonds to the second surface of an adjacent laminate of electrical insulation.