Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1993-06-01
1995-07-04
Kozma, Thomas J.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
29606, 324127, 336174, 336200, 336229, H05K 706, H01F 2730, H01F 4006
Patent
active
054306132
ABSTRACT:
A current transformer device is formed on a ceramic substrate which is provided with a plurality of planar conductive tracks formed on a surface of the substrate where the conductive tracks extend substantially radially from an imaginary point on the surface of the substrate. A structure of permeable material layers is then tape cast or epitaxially formed by vapor deposition of a thick film of magnetic ceramic over the major portion of each of the conductive tracks to form a permeable toroidal core. A lead frame is then placed over the core and a plurality of metal conductors are soldered to each of the respective exposed ends of the metal conductive tracks on the substrate to form a toroidal coil surrounding the toroidal core. The required electrical elements to complete the current transformer device are mounted to a second side of the ceramic substrate and electrically connected to the toroidal coil for powering and/or receiving signals therefrom.
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W. Wiechec, "New Techniques For Production of Ferrite Cores", Electronics May 13, 1968, pp. 180-182.
Beihoff Bruce C.
Hansen James E.
Hastings Jerome K.
Juds Mark A.
Kaishian Steven C.
Eaton Corporation
Kozma Thomas J.
Uthoff Jr. Loren H.
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