Electronic component with coil, method for manufacturing the same and power supply module
First Claim
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1. An electronic component comprising:
- a circuit board that includes a ground terminal connected to a ground potential;
a coil component that is assembled on the circuit board, the coil component includes a T-shaped core and an air-core coil;
a ground connection electrode that is assembled on the circuit board next to the coil component and that is connected to the ground terminal; and
a mixture of a metal composite magnetic material and a resin that is formed on the circuit board and that covers the coil component and the ground connection electrode as a package, whereina part of the ground connection electrode is exposed outside the mixture.
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Abstract
An electronic component includes a circuit board that includes a ground terminal connected to a ground potential, a coil component that is assembled on the circuit board, the coil component includes a T-shaped core and an air-core coil, a ground connection electrode that is assembled on the circuit board next to the coil component and that is connected to the ground terminal, and a mixture of a metal composite magnetic material and a resin that is formed on the circuit board and that covers the coil component and the ground connection electrode as a package. A part of the ground connection electrode is exposed outside the mixture.
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Citations
12 Claims
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1. An electronic component comprising:
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a circuit board that includes a ground terminal connected to a ground potential; a coil component that is assembled on the circuit board, the coil component includes a T-shaped core and an air-core coil; a ground connection electrode that is assembled on the circuit board next to the coil component and that is connected to the ground terminal; and a mixture of a metal composite magnetic material and a resin that is formed on the circuit board and that covers the coil component and the ground connection electrode as a package, wherein a part of the ground connection electrode is exposed outside the mixture. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A power supply module, comprising:
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a circuit board that includes a ground terminal connected to a ground potential; a coil component that is assembled on the circuit board, the coil component includes a T-shaped core and an air-core coil; passive components including a capacitor and a resistor that are assembled on the circuit board; an integrated circuit that is assembled on the circuit board; a ground connection electrode that is assembled on the circuit board next to the coil component and that is connected to the ground terminal; and a mixture of a metal composite magnetic material and a resin that is formed on the circuit board and that covers the coil component, the passive components, the integrated circuit and the ground connection electrode as a package, wherein a part of the ground connection electrode is exposed outside the mixture. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification