The present invention provides a sensor mounted wafer, including: a lower case in which a mounting groove is formed; a circuit board on which a plurality of electronic components having different heights are mounted, and placed in the mounting groove; an upper case in which a plurality of insertion grooves having different depths are formed, and bonded together to the lower case so that the plurality of electronic components are inserted into the plurality of insertion grooves; and an adhesive layer placed between the mounting groove and the plurality of insertion grooves, in which the insertion grooves are formed to have different depths according to the heights of the plurality of the electronic components.

A rotary encoder is incorporated in an annular space formed between a hollow rotating shaft and an encoder case. The rotary encoder has an annular printed wiring substrate, a plurality of mounting substrates that are outward from the printed wiring substrate in the radial direction and are arranged in the circumferential direction, and inter-substrate wiring cables bridged between the printed wiring substrate and each of the mounting substrates in the radial direction. Power supply to the mounting substrates and signal transmission and reception between the mounting substrates can be accomplished without routing around the wiring cables. It is possible to achieve a rotary encoder that is suitable for being incorporated in a narrow annular space.

Disclosed is a motor or generator comprises a rotor and a stator, wherein the rotor has an axis of rotation and is configured to generate first magnetic flux parallel to the axis of rotation, the stator is configured to generate second magnetic flux parallel to the axis of rotation, and at least one of the rotor or the stator is configured to generate a magnetic flux profile that is non-uniformly distributed about the axis of rotation. Also disclosed is a method that involves arranging one or more magnetic flux producing windings of a stator non-uniformly about an axis of rotation of a rotor of an axial flux motor or generator.

This disclosure provides systems, methods, and apparatus related to printed circuit boards. In one aspect, a device includes a first board and a second board. The first board includes at least two pins defined at an end of the first board. The first pin and the second pin are positioned along a first line and parallel to the first line. The second board includes at least two slots defined at an end of the second board. The first slot and the second slot are positioned along a second line and are angled from the second line by about ±10° to 15°. Each of the pins in the first board is engaged with each of the slots in the second board and forms an electrical connection between the first pin and the first slot and the second pin and the second slot.

A connection FPC 75 includes a plurality of metal wires 750 between a support layer 751 and a covering layer 752, and an exposed region including contacts 753 serving as end portions of the metal wires 750 is exposed from the covering layer 752. A bending-position guide 760 is provided on the surface of the support layer 751 opposite from the surface on which the metal wires 750 are provided. An edge 760a of the bending-position guide 760 serves as a bending line along which the connection FPC 75 is bent and is disposed in a covering-layer projection area E where the covering layer 752 is projected on the support layer 751. The connection FPC 75 is bent at portions of the metal wires 750 covered with the covering layer 752, that is, at reinforced portions.

An axial field rotary energy device has a PCB stator panel assembly between rotors with an axis of rotation. Each rotor has a magnet. The PCB stator panel assembly includes PCB panels. Each PCB panel can have layers, and each layer can have conductive coils. The PCB stator panel assembly can have a thermally conductive layer that extends from an inner diameter portion to an outer diameter portion thereof. Each PCB panel comprises discrete, PCB radial segments that are mechanically and electrically coupled together to form the respective PCB panels.

A release film includes a first release film disposed on a printed circuit board and a connector that is connected to the printed circuit board. The first release film comprises a fixing portion having a shape extending in one direction. A second release film is disposed under the printed circuit board. The second release film includes an incision portion. The fixing portion extends into the incision portion.

An electronic device is provided. The electronic device includes a housing, a printed circuit board disposed inside the housing and including a first face and a second face that faces away from the first face, a connection member disposed on the first face and electrically connected to the printed circuit board, a switch member disposed on the first face and at least partially overlaps the connection member when viewed from above the first face, and a button member including an electrically conductive member, and disposed to be capable of operating the switch member. The electrically conductive member is electrically connected to the connection member.

An electric motor, at least having a stator and an annular rotor which are arranged next to one another along an axial direction; wherein the stator has a plurality of stator teeth which are arranged next to one another along a circumferential direction and which each extend along the axial direction. At least one coil has at least one turn is arranged on each stator tooth, wherein the at least one turn is electrically conductively connected to a printed circuit board. The printed circuit board is arranged on an end side of the stator and next to the stator along the axial direction. The printed circuit board comprises a plurality of electrical connecting lines via which the at least one turn of each coil is connected at least to other turns or to an electrical connection of the motor.

An electronic device is disclosed, which includes: a support unit; a display panel disposed on the support unit; a first circuit board, wherein the support unit is disposed between the display panel and the first circuit board; an electronic component disposed on the first circuit board; and a second circuit board electrically connected to the display panel, wherein the second circuit board includes a first portion and a second portion, and the support unit is disposed between the first portion and a second portion, wherein the first circuit board is electrically connected to the display panel through the second circuit board.