A wiring board according to one embodiment of the present disclosure includes: partitions each having insulating property; and conductive members that are respectively disposed in at least two adjacent regions among a plurality of regions partitioned by the partitions. Two of the conductive members respectively disposed in the adjacent regions are joined to each other through an opening formed on one of the partitions interposed between the two of the conductive members, to serve as part of a wiring.

The invention relates to a heating radiator (1) comprising a power supply module (2) and a heating body (3), said power supply module (2) comprising a printed circuit board (20), a plurality of electronic switches (21) and one or more connectors (22) for connecting to an external circuit, said printed circuit board (20) comprising a first zone (200) providing an electrical connection with the heating body (3), a second zone (210) providing an electrical connection with the electronic switches (21) and a third zone (220) providing an electrical connection with the one or more connectors (22), said first, second and third zones being located side-by-side in this order in a direction that is transverse to a plane in which the heating body (2) extends.

A wireless power receiver for wirelessly receiving power from a wireless power transmitter comprises: a power reception circuit receiving electromagnetic waves emitted from the wireless power receiver so as to output power having an alternating current waveform; a rectifier for rectifying the power, having an AC waveform, outputted from the power reception circuit into power having a direct current waveform; a DC/DC converter for converting, into a voltage of a preset level, a voltage of the power having a direct current waveform, the power being rectified by the rectifier; a charger for charging a battery by using the power having a DC waveform, converted from the DC/DC converter; an alternating current ground connected to the power reception circuit and/or the rectifier so as to receive at least a portion of the power having an alternating current waveform; and a direct current ground connected to the DC/DC converter and/or the charger so as to receive at least a portion of the power having a direct current waveform, wherein the alternating current ground and the direct current ground can be disposed on different PCB layers, respectively.

An electronic device includes a first wiring substrate having a first corner part, a first ground pattern formed on a lower surface of the first wiring substrate with avoiding the first corner part, a second ground pattern formed on an upper surface of the first wiring substrate with avoiding the first corner part, a second wiring substrate provided above the first wiring substrate and including a second corner part above the first corner part, a third ground pattern formed on a lower surface of the second wiring substrate with avoiding the second corner part, a fourth ground pattern formed on an upper surface of the second wiring substrate with avoiding the second corner part, a plurality of terminals electrically connected to each of the first, second, third and fourth ground patterns, and an antenna fixed to the upper surface of the second wiring substrate at the second corner part.

A manufacturing method according to the present invention includes: a step of providing a first conductive metal flat plate; a step of forming a slit in a busbar assembly forming region of the flat plate; a step of coating the flat plate with a coating material containing an insulating resin such that at least the slit is filled with the insulating resin layer; a step of curing the coating material to form the insulating resin layer; and a cutting step of cutting off the insulating resin layer in the slit and busbar forming parts of the first conductive metal flat plate from the first conductive metal flat plate, wherein the busbar forming parts face each other with the slit therebetween.

A solution property sensor is provided and has: a substrate, a temperature sensing element, an electrical conductivity sensing element, a pH value sensing element, and a reference electrode. The solution property sensor utilizes different sensing elements to sense various solution properties, and all of these sensing elements can be electrically connected and fixed to conductive patterns on the same substrate, thereby facilitating mass production in the industry or reducing production difficulty.

In a high-frequency module provided with a shield member between components, improvement in the degree of freedom in design such as arrangement of components or the like is achieved while preventing damage to a wiring board. A high-frequency module 1a includes a multilayer wiring board 2, a plurality of components 3a and 3b mounted on an upper surface 20a of the multilayer wiring board 2, and a shield member 5 for shielding between the component 3a and the component 3b, in which the shield member 5 is formed in a flat plate shape, with a plurality of metal pins 5a each stacked in a thickness direction of the sealing resin layer 4 such that a length direction is made to be substantially parallel to the upper surface 20a of the multilayer wiring board 2, and a resin molded portion 5b for fixing the metal pins 5a.

A substrate for a medical device, a portion of which is brought into contact with or inserted into a subject. The substrate includes a patient circuit conductively connected to the portion that is configured to be brought into contact with or inserted into the subject, and a ground-side circuit configured to perform at least one of transmission of a signal, reception of a signal, and supply of electric power on the patient circuit. The ground-side circuit is grounded by a protective ground to ensure safety of a manipulator of the medical device. The substrate also includes an insulating layer between the patient circuit and the ground-side circuit providing insulation between the patient circuit and the ground-side circuit, and an isolated circuit provided apart from the patient circuit and the ground-side circuit on the insulating layer and having a different reference potential from the patient circuit and the ground-side circuit.

A LED based lighting apparatus is disclosed. The light engine used in the lighting apparatus may use printed circuit board and have a plurality of LED groups that are independently controllable by a control unit. The power supply input and return paths connected to each LED group may be implemented on different layers to allow a compact footprint that may be used with traditional fluorescent encasements with relatively little modification. The LEDs may comprise a subset of LEDs having a first colour and a subset of LEDs having a second colour different from said first colour intertwined on the light engine.

A busbar assembly according to the present invention includes a first busbar formed by a conductive metal flat plate; a second busbar formed by a conductive metal flat plate, the second busbar disposed in the same plane as the first busbar with a gap being provided between opposing side surfaces of the first and second busbars; and an insulating resin layer filled in the gap so as to mechanically connect the opposing side surfaces of the first and second busbars. Preferably, the opposing side surface of at least one of the first and second busbars is an inclined surface that is closer to the opposing side surface of the other of the first and second busbars from one side toward the other side in the thickness direction.