A method and apparatus of electrode interfaces for stimulating neurons and nerve cells that provides micro-fabricated electrode interfaces configured for conformal placement adjacent to neuron, nerves and neural tissue to thereby allow the neuron, nerves and neural tissue to grow around the electrode interfaces and allow for the creation depending on configuration of local or far electrical fields and current flows to stimulate them.

A wearable device (100) includes a body (1) and a detection electrode (21). The body (1) includes an electrocardiosignal collection circuit (11), and an inner electrode (12) and an outer electrode (13) that are electrically connected to the electrocardiosignal collection circuit (11). The inner electrode (12) is configured to collect an electric potential signal of a first wearing position (200), and the outer electrode (13) is configured to collect an electric potential signal of a non-wearing position (300). The detection electrode (21) can move relative to the body (1), and the detection electrode (21) is configured to electrically connect to the electrocardiosignal collection circuit (11) and collect an electric potential signal of a second wearing position (400). The non-wearing position (300) and the second wearing position (400) are different from the first wearing position (200). The wearable device (100) can measure electrocardiosignal data in time.

A method of fixing a flexible printed circuit (FPC) and a mobile terminal are provided. The mobile terminal includes: a rear cover; a first FPC fixedly connected to the rear cover; a front housing provided with a battery accommodation compartment; in case that a battery is installed in the battery accommodation compartment, there is a gap between the battery and the first FPC.

An electronic system can be used to monitor temperature. The electronic system can include a characterized dielectric located adjacent to a plurality of heat-producing electronic devices. The electronic system can also include a leakage measurement circuit that is electrically connected to the characterized dielectric. The leakage measurement circuit can be configured to measure current leakage through the characterized dielectric. The leakage measurement circuit can also be configured to convert a leakage current measurement into a corresponding output voltage. A response device, electrically connected to the leakage measurement circuit can be configured to, in response to the output voltage exceeding a voltage threshold corresponding to a known temperature, initiate a response action.

A reel-to-reel method to laser-ablate a circuitry pattern on the fly in a reel-to-reel machine as part of a process to fabricate a printed flexible circuit. The laser ablation method includes using an appropriate laser to irradiate a metal sheet thus ablating the edges of an intended circuitry pattern. Slugs can be removed by using an optional sacrificial liner, and the slugs can be optionally ablated into smaller parts first. The laser ablation can also include an optional method of creating tie bars to provide structural support to the web of circuitry patterns.

The present disclosure provides an electronic device. The electronic device includes a flexible element, and a sensing element adjacent to the flexible element and configured to detect a biosignal. The electronic device also includes an active component in the flexible element and electrically connected with the sensing element. A method of manufacturing an electronic device is also disclosed.

A flexible printed circuit board (FPCB) of an electronic device including a flexible display having a shape deformed by a hinge structure is provided. The FPCB of an electronic device includes a plurality of bending portions and a plurality of non-bending portions. The plurality of bending portions is bent according to a deformation of a shape of the electronic device. The plurality of non-bending portions are positioned on a periphery of the plurality of bending portions. The plurality of bending portions and the plurality of non-bending portions are formed to have different thicknesses.

An electronic device includes: a housing including a plate and a back plate facing a second surface of the plate and including a planar area facing a first direction, a display module including a display disposed on a first surface of the plate, a battery and a circuit board disposed on the second surface of the plate, a first flexible substrate extending from the display module, and a second flexible substrate extending from the circuit board to the first flexible substrate across the battery. The first flexible substrate includes a first connector, and the second flexible substrate includes a second connector. The first flexible substrate and the second flexible substrate are configured such that the first connector and the second connector are coupled in a second direction different from the first direction.

A substrate that is stretchable; wiring positioned on a first surface side of the substrate, the wiring having a meandering shape section including peaks and valleys aligned along a first direction that is one of planar directions of the first surface of the substrate; and a stretching control mechanism that controls extension and contraction of the substrate. The substrate has a component region and a wiring region adjacent to the component region. The component region includes a component-fixing region overlapping an electronic component mounted on the wiring board when viewed along the normal direction of the first surface of the substrate and a component-surrounding region positioned around the component-fixing region. The stretching control mechanism is positioned in the component-surrounding region and at least includes a stretching control part that spreads to the border between the component-surrounding region and the component-fixing region.

A transmission circuit includes a first semiconductor device, a second semiconductor device, a first signal line, a second signal line, a third signal line, and a ground line. A differential signal is composed of a first signal and a second signal. The first signal line is configured to connect the first semiconductor device and the second semiconductor device and used to transmit the first signal. The second signal line is configured to connect the first semiconductor device and the second semiconductor device and used to transmit the second signal. The second signal line, the first signal line, the ground line, and the third signal line are disposed in this order. A distance between the first signal line and the ground line is larger than a distance between the first signal line and the second signal line.