Title:
SUBSTRATE MODULE, DRIVE MODULE, AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/021908
Kind Code:
A1
Abstract:
A first coil is provided in a first stacked body and has a spiral shape. A second coil is provided in a second stacked body and has a spiral shape. The first coil includes one or more first coil conductors that encircle the periphery of a first coil axis, when viewed in a vertical direction. The second coil includes one or more second coil conductors that encircle the periphery of a second coil axis, when viewed in the vertical direction. The area of the second stacked body when viewed in the vertical direction is greater than the area of the first stacked body when viewed in the vertical direction. The product of a number of turns of the first coil conductor and a width, in a line width direction, of the first coil conductor is less than the product of a number of turns of the second coil conductor and a width, in a line width direction, of the second coil conductor.
Inventors:
OKUDA NORIAKI (JP)
IKEMOTO NOBUO (JP)
IKEMOTO NOBUO (JP)
Application Number:
PCT/JP2022/028170
Publication Date:
February 23, 2023
Filing Date:
July 20, 2022
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01F17/00; H01F17/04; H01F27/28; H05K1/16
Domestic Patent References:
| WO2019021764A1 | 2019-01-31 |
Foreign References:
| JPH07272935A | 1995-10-20 | |||
| JP2014170869A | 2014-09-18 | |||
| JP2002208515A | 2002-07-26 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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