Multilayer laminated circuit board
First Claim
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1. A multi-layer laminated circuit board characterized in comprising:
- an in-built multi-layer transformer formed by laminating a primary winding and a secondary winding, a dielectric sheet constituted by a non-magnetic body, and magnetic sheets provided so as to sandwich said dielectric sheet and forming a core via a central through hole formed in said dielectric sheet and a peripheral edge of said dielectric sheet; and
a wiring sheet formed with a circuit pattern.
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Abstract
A multi-layer laminated circuit board 10A of the present invention is formed by laminating together a multi-layer transformer 10, a multi-layer part sheet 30 formed with a multi-layer part, and a wiring sheet 50 formed with a circuit pattern. The multi-layer transformer 10 is incorporated into the multi-layer laminated circuit board 10A, and therefore a package for the multi-layer transformer 10 is omitted, and the wiring between the multi-layer transformer 10 and other components is reduced to a minimum.
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Citations
13 Claims
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1. A multi-layer laminated circuit board characterized in comprising:
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an in-built multi-layer transformer formed by laminating a primary winding and a secondary winding, a dielectric sheet constituted by a non-magnetic body, and magnetic sheets provided so as to sandwich said dielectric sheet and forming a core via a central through hole formed in said dielectric sheet and a peripheral edge of said dielectric sheet; and
a wiring sheet formed with a circuit pattern. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification