Title:
COIL AND ITS MANUFACTURING METHOD, POWER TRANSMISSION DEVICE AND POWER RECEIVING DEVICE, AND POWER TRANSMISSION SYSTEM
Document Type and Number:
Japanese Patent JP2022072736
Kind Code:
A
Abstract:
To provide a coil and the like that can reduce the cost and weight of a coil for wireless power transmission, improve the transmission efficiency of the coil, and prevent the operating temperature from rising.SOLUTION: A copper thin film wire TL2 constituting a transmission coil used for non-contact type power transmission includes an aluminum thin film 10 extending in its winding direction, and a copper thin film 1 and a copper thin film 2 that cover at least a part of a surface of the aluminum thin film 10 along the winding direction.SELECTED DRAWING: Figure 3
Inventors:
OKABE MASAHITO
Application Number:
JP2020182344A
Publication Date:
May 17, 2022
Filing Date:
October 30, 2020
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
H01F38/14; H01F5/00; H01F41/04; H02J7/00; H02J50/12
Attorney, Agent or Firm:
Patent Business Corporation Intect International Patent Office
Oku Wako
Oku Wako
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