Transformer structure
First Claim
Patent Images
1. A transformer structure, said structure comprising:
- at least three juxtaposed conductor traces, wherein a middle of each conductor trace has a hole; and
a core having at least three arms, wherein each arm goes through a corresponding hole.
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Abstract
The present invention describes a planar transformer having a plurality of juxtaposed magnetic cores as well as a two-layer printed circuit board for spiralling a plurality of windings. Each arm of a plurality of juxtaposed magnetic cores respectively goes through a corresponding hole in the middle of these windings, to magnetically couple the current in the main winding to the other windings.
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Citations
13 Claims
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1. A transformer structure, said structure comprising:
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at least three juxtaposed conductor traces, wherein a middle of each conductor trace has a hole; and
a core having at least three arms, wherein each arm goes through a corresponding hole. - View Dependent Claims (2, 3, 4, 5)
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6. A transformer structure, said structure comprising:
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a two-layer printed circuit board with at least three conductor traces and at least three holes, wherein each conductor trace surrounds a corresponding hole; and
a core having at least three arms, wherein each arm goes through a corresponding hole. - View Dependent Claims (7, 8, 9, 10)
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11. A transformer structure, said structure comprising:
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a two-layer printed circuit board with at least three conductor traces and at least three holes, wherein each conductor trace surrounds a corresponding hole; and
a ferrite core having at least three arms, wherein each arm goes through a corresponding hole. - View Dependent Claims (12, 13)
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Specification