The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2023
Filed:
Feb. 28, 2020
Applicant:
Ibiden Co., Ltd., Ogaki, JP;
Inventors:
Haruhiko Morita, Ogaki, JP;
Hitoshi Miwa, Ogaki, JP;
Shinobu Kato, Ogaki, JP;
Toshihiko Yokomaku, Ibi-gun, JP;
Hisashi Kato, Ogaki, JP;
Takahisa Hirasawa, Ogaki, JP;
Tetsuya Muraki, Ogaki, JP;
Takayuki Furuno, Ogaki, JP;
Assignee:
IBIDEN CO., LTD., Ogaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H01F 27/29 (2006.01); H01F 27/06 (2006.01);
U.S. Cl.
CPC ...
H01F 27/29 (2013.01); H01F 27/06 (2013.01); H01F 27/2804 (2013.01); H01F 2027/065 (2013.01); H01F 2027/2809 (2013.01); H01F 2027/2819 (2013.01);
Abstract
A planar transformer includes a coil substrate including a flexible substrate and multiple coils formed on the flexible substrate. The coil substrate is formed to have coil parts and coilless parts such that the coil parts have the coils and that the coilless parts do not have the coils, and the coil substrate is folded such that at least one of the coilless parts is sandwiched between two of the coil parts.