Title:
CIRCUIT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/090181
Kind Code:
A1
Abstract:
The present disclosure provides a circuit device that can suppress changes in the parasitic inductance of a capacitor.
In the present disclosure, a circuit device (100) comprises a substrate (60) and a coil component (1). The coil component (1) is configured by magnetically coupling a coil (L1) and a coil (L2). A wiring pattern includes a first wiring (70a), a second wiring (70b), a third wiring (71) in which capacitors (C1, C2) are mounted in series, and a fourth wiring (72) that electrically connects a ground electrode (72a) and either of the first wiring (70a) or the second wiring (70b). The spacing between a first current path through which current flows from the coil component (1) to a ground electrode (71a) through the third wiring (71) and a second current path through which current flows from the first wiring (70a) or the second wiring (70b) to the ground electrode (72a) through the fourth wiring (72) on which capacitors (C3, C4) are mounted is not fixed.
Inventors:
TOUJO ATSUSHI (JP)
Application Number:
PCT/JP2022/041328
Publication Date:
May 25, 2023
Filing Date:
November 07, 2022
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03H7/09; H01F27/00; H01G2/02; H01G4/40; H03H7/01
Domestic Patent References:
| WO2021085002A1 | 2021-05-06 |
Foreign References:
| JP2005294975A | 2005-10-20 | |||
| JPH0310403A | 1991-01-18 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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