SEMICONDUCTOR DEVICE
First Claim
1. A semiconductor device, comprising:
- a circuit substrate;
a printed substrate disposed above the circuit substrate so as to face the circuit substrate;
switching elements attached to the circuit substrate, collectively having a first electrode as a positive-side electrode and a second electrode as a negative-side electrode;
a circuit impedance reduction element attached to the printed substrate;
a first conductive post electrically and mechanically connected to the circuit substrate and the printed substrate;
a second conductive post disposed in a position separated from the first conductive post and electrically and mechanically connected to the circuit substrate and the printed substrate;
a first external connection terminal going through the printed substrate and mechanically connected to the circuit substrate, and electrically connected to the first electrode; and
a second external connection terminal going through the printed substrate and mechanically connected to the circuit substrate, and electrically connected to the second electrode,wherein the circuit impedance reduction element includes;
a third electrode electrically connected to the first external connection terminal via the first conductive post; and
a fourth electrode electrically connected to the second external connection terminal via the second conductive post,wherein a length of a current path between the first external connection terminal and the third electrode is shorter than a length of a current path between the first external connection terminal and the first electrode, andwherein a length of a current path between the second external connection terminal and the fourth electrode is shorter than a length of a current path between the second external connection terminal and the second electrode.
1 Assignment
0 Petitions
Accused Products
Abstract
This semiconductor device includes: a circuit substrate; a printed substrate disposed so as to face the circuit substrate; switching elements attached to the circuit substrate; a circuit impedance reduction element attached to the printed substrate; a first conductive post; a second conductive post; a first external connection terminal; and a second external connection terminal. The switching elements collectively have a first electrode and a second electrode. The circuit impedance reduction element includes a third electrode and a fourth electrode. A length of a current path between the first external connection terminal and the third electrode is shorter than a length of a current path between the first external connection terminal and the first electrode. A length of a current path between the second external connection terminal and the fourth electrode is shorter than a length of a current path between the second external connection terminal and the second electrode.
1 Citation
15 Claims
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1. A semiconductor device, comprising:
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a circuit substrate; a printed substrate disposed above the circuit substrate so as to face the circuit substrate; switching elements attached to the circuit substrate, collectively having a first electrode as a positive-side electrode and a second electrode as a negative-side electrode; a circuit impedance reduction element attached to the printed substrate; a first conductive post electrically and mechanically connected to the circuit substrate and the printed substrate; a second conductive post disposed in a position separated from the first conductive post and electrically and mechanically connected to the circuit substrate and the printed substrate; a first external connection terminal going through the printed substrate and mechanically connected to the circuit substrate, and electrically connected to the first electrode; and a second external connection terminal going through the printed substrate and mechanically connected to the circuit substrate, and electrically connected to the second electrode, wherein the circuit impedance reduction element includes; a third electrode electrically connected to the first external connection terminal via the first conductive post; and a fourth electrode electrically connected to the second external connection terminal via the second conductive post, wherein a length of a current path between the first external connection terminal and the third electrode is shorter than a length of a current path between the first external connection terminal and the first electrode, and wherein a length of a current path between the second external connection terminal and the fourth electrode is shorter than a length of a current path between the second external connection terminal and the second electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification