Laminated windings for matrix transformers and terminations...

Inductor devices – Core – Laminated type

Reexamination Certificate

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C336S232000, C336S200000

Reexamination Certificate

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07071807

ABSTRACT:
Laminated primary winding for matrix transformers may be assembled from stacked layers of metal foil or stampings having ends of the metal foil or stampings extended successively to make stepped contact areas having as large a contact area as necessary for the application. In some embodiments the stepped contact areas are on ends of the laminated primary winding that extend beyond the matrix transformer. In other embodiments, the stepped contact areas are on complementary mating subassemblies within the transformer.

REFERENCES:
patent: 1852805 (1932-04-01), Frank
patent: 3223955 (1965-12-01), Olsen et al.
patent: 4893400 (1990-01-01), Chenoweth
patent: 5274904 (1994-01-01), Proise
patent: 5543674 (1996-08-01), Koehler
patent: 5804902 (1998-09-01), Hill
patent: 5831331 (1998-11-01), Lee
patent: 6000128 (1999-12-01), Umeno et al.
patent: 6087922 (2000-07-01), Smith
patent: 6583707 (2003-06-01), Ngo et al.

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