COIL DEVICE AND METHOD OF MANUFACTURING COIL DEVICE

Provided is a coil device having a first coil and a second coil insulated by an insulating film, and deformation of the insulating film is suppressed. A coil device includes: a first insulating film provided in contact with a first direction side of a substrate; a spiral-shaped first coil part provi...

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Main Authors TORII, Yohei, SHITOMI, Takuichiro, IMASAKA, Toshihiro, YAMAGUCHI, Yasuo, YOSHINO, Manabu
Format Patent
LanguageEnglish
Published 02.11.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Abstract Provided is a coil device having a first coil and a second coil insulated by an insulating film, and deformation of the insulating film is suppressed. A coil device includes: a first insulating film provided in contact with a first direction side of a substrate; a spiral-shaped first coil part provided in contact with a first direction side of the first insulating film; a second insulating film provided to cover a first direction side of the first coil part and the first direction side of the first insulating film where the first coil part is not provided; a spiral-shaped second coil part provided in contact with a first direction side of the second insulating film; and a groove provided on a surface on the first direction side of the second insulating film in a region inside an outer peripheral edge of the second coil part in plan view.
AbstractList Provided is a coil device having a first coil and a second coil insulated by an insulating film, and deformation of the insulating film is suppressed. A coil device includes: a first insulating film provided in contact with a first direction side of a substrate; a spiral-shaped first coil part provided in contact with a first direction side of the first insulating film; a second insulating film provided to cover a first direction side of the first coil part and the first direction side of the first insulating film where the first coil part is not provided; a spiral-shaped second coil part provided in contact with a first direction side of the second insulating film; and a groove provided on a surface on the first direction side of the second insulating film in a region inside an outer peripheral edge of the second coil part in plan view.
Author YOSHINO, Manabu
SHITOMI, Takuichiro
YAMAGUCHI, Yasuo
IMASAKA, Toshihiro
TORII, Yohei
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– fullname: YAMAGUCHI, Yasuo
– fullname: YOSHINO, Manabu
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Snippet Provided is a coil device having a first coil and a second coil insulated by an insulating film, and deformation of the insulating film is suppressed. A coil...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
Title COIL DEVICE AND METHOD OF MANUFACTURING COIL DEVICE
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