Ibiden Company Limited

Takayuki Furuno

Takahisa Hirasawa

Shinobu Kato

Haruhiko Morita

Hisashi Kato

Toshihiko Yokomaku

Tetsuya Muraki

Hitoshi Miwa

A motor coil substrate includes a flexible substrate, and coils formed on the flexible substrate. The flexible substrate is wound N times where N is 2 or larger, the coils are formed in a multiple of 3, the flexible substrate includes a first flexible substrate and a second flexible substrate extending from the first flexible substrate and wound around the first flexible substrate, the flexible substrate has a first end and a second end on an opposite side with respect to the first end such that the first flexible substrate has a first end of the flexible substrate, the second flexible substrate is positioned on an outer side of the first flexible substrate, and the coils are formed such that a coil or coils formed on the first flexible substrate partially overlap with a coil or coils formed on the second flexible substrate.

Motor coil substrate comprising flexible substrate and coils and motor formed thereof

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.

Planar transformer

A coil substrate includes a flexible substrate having a first end and a second end on the opposite side with respect to the first end, and coils formed on the flexible substrate such that the coils are positioned substantially in a row between the first end and second end of the flexible substrate. The coils are formed such that the number of coils is K and that the coils include the first coil positioned close to the first end and the K-th coil positioned to form a predetermined distance between the K-th coil and the second end, where K is an integer equal to or greater than 2.

Coil substrate and motor coil substrate

A coil substrate includes a flexible substrate, and coils formed on the flexible substrate such that the coils are positioned substantially in a raw and that each coil has a center space and wirings surrounding the center space. The coils are formed such that each coil includes first wirings on a first surface of the flexible substrate, second wirings on a second surface of the flexible substrate on the opposite side with respect to the first surface, and via conductors penetrating through the flexible substrate and connecting the first and second wirings, and the coils are positioned such that a m-th coil has the second wirings positioned below the center space of a (m+1)-th coil and that a (m+2)-th coil has the first coils positioned on the center space of a (m+1)-th coil, where in is an integer equal to or greater than 1.

A coil substrate includes a flexible substrate having first and second ends, a first coil formed on first surface of the substrate such that the first coil has center space and first wiring surrounding the space, and an second coil formed on second surface of the substrate such that the second coil has center space and second wiring surrounding the space and is positioned directly below the first coil. Each of the first and second wirings has outer and inner ends such that each wiring is formed in spiral shape between the outer and inner ends, a number of turns in the first coil is greater than a number of turns in the second coil, a width of the first wiring is substantially constant from the outer end to the inner end, and a width of the second wiring is not constant from the outer end to the inner end.

Coil substrate, motor coil substrate, and motor

A motor coil substrate includes a coil substrate that is wound in a cylindrical shape and includes a flexible substrate and coils formed on the flexible substrate such that the flexible substrate has a first end and a second end on an opposite side with respect to the first end and that the coils are arrayed from the first end to the second end of the flexible substrate. The coils are formed such that each of the coils has a central space and includes wirings surrounding the central space, and the flexible substrate has openings formed such that each of the openings is penetrating through the flexible substrate and positioned in the central space of a respective one of the coils.

Motor coil substrate and motor

A coil substrate includes a flexible substrate having a first end and a second end on the opposite side with respect to the first end, and coils formed on the flexible substrate in substantially one row between the first end and the second end of the flexible substrate such that each of the coils has a center space and wirings surrounding the center space. The wirings in each of the coils include parallel wirings formed substantially parallel to a row direction extending from the first end toward the second end and perpendicular wirings formed substantially perpendicular to the row direction, and the coils are formed such that a thickness of the perpendicular wirings is greater than a thickness of the parallel wirings.

A coil substrate for a motor includes a flexible substrate, and multiple coils formed on a surface of the flexible substrate. Each of the coils has a wiring having first wiring portions and second wiring portions extending from the first wirings respectively and is formed such that the first wiring portions extend parallel with respect to each other and that the second wiring portions extend not parallel to the first wirings, and the flexible substrate is formed to be formed around a magnet of a motor such that the first wiring portions form an angle that is substantially perpendicular to a rotation direction of the motor.

Motor coil substrate, motor, and method for manufacturing motor coil substrate

A coil substrate includes a flexible substrate, and a coil including a wiring and formed on the flexible substrate. The flexible substrate has a cut penetrating through the flexible substrate such that the cut is formed to extend along a portion of the coil.

Coil substrate, laminated coil substrate, motor coil substrate, and motor

A motor coil substrate includes a flexible substrate, and multiple coils formed on the flexible substrate such that each of the coils has a spiral shape. The flexible substrate has multiple folding lines formed and the multiple coils positioned such that the flexible substrate is folded at the folding lines and wound around a magnet and that an m-th coil and an (m+1)-th coil of the coils partially overlap one another when folded at the folding lines.

Motor coil substrate and method for manufacturing motor coil substrate

A flexible printed wiring board includes a flexible insulating layer, a conductor layer formed on a surface of the flexible insulating layer, and a metal body having a columnar shape and fitted in a hole penetrating through the flexible insulating layer and the conductor layer such that the metal body is formed of a welding base material and has an end portion formed to be joined to an electrode of a battery by welding. The welding base material of the metal body of the flexible printed wiring board includes the same material as the electrode of the battery.

Flexible printed wiring board, electronic device having flexible printed wiring board, and method for manufacturing electronic device having flexible printed wiring board

A composite flexible printed wiring board includes a first flexible printed wiring board having an insulating layer, conductor layers and a first metal block fitted in a hole penetrating through the conductor layers and insulating layer, and a second flexible printed wiring board having an insulating layer, conductor layers and a second metal block fitted in a hole penetrating through the conductor layers and insulating layer. The first flexible printed wiring board and the second flexible printed wiring board have a welded portion formed by welding the first metal block and the second metal block and joining the first metal block and the second metal block such that the welded portion is joining the first flexible printed wiring board and the second flexible printed wiring board.

Growing community of inventors

Ogaki, Japan

Takayuki Furuno