Title:
ELECTRONIC DEVICE, ELECTRIC DRIVE DEVICE, AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/084830
Kind Code:
A1
Abstract:
Provided is an electronic device capable of preventing cracking in a base material that occurs from a starting point between metal wiring patterns in a flexible portion of a multilayer wiring board. An electronic component is mounted on a multilayer wiring board on which first and second component-mounting region portions are disposed with a foldable and flexible portion therebetween. Metal wires formed on the base material of the flexible portion include: a positive pole-side power supply wire and a negative pole-side power supply wire that feed power supply from a first electronic circuit formed in the first component-mounting region portion to a second electronic circuit formed in the second component-mounting region portion; a signal wire for exchanging signals between the first electronic circuit and the second electronic circuit; and a non-conductive wire that is not connected to any of the positive pole-side power supply wire, the negative pole-side power supply wire, the signal wire, and the first and second electronic circuits. The electronic device is characterized in that the non-conductive wire is disposed so as to be adjacent to at least one side of the positive pole-side power supply wire and be sandwiched by the positive pole-side power supply wire or the signal wire.
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Inventors:
YAMADA NARUTOSHI (JP)
YANAGISAWA YUUICHI (JP)
YANAGISAWA YUUICHI (JP)
Application Number:
PCT/JP2023/031442
Publication Date:
April 25, 2024
Filing Date:
August 30, 2023
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H05K1/02; B62D5/04; H05K1/14
Attorney, Agent or Firm:
OGAWA, Moriaki et al. (JP)
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