Patent classifications
H05K3/202
CIRCUIT BOARD
A power circuit includes multiple bus bars that are connected to multiple terminals of an FET, are provided flush with each other, and are each insulated from each other. The power circuit includes one bus bar that is connected to drain terminals of the FET, a solder fixing portion of the FET that is arranged on the bus bar, and another bus bar that is connected to source terminals of the FET via a conductive connection sheet.
Tube lamp with leadframe
A light fixture has a translucent tubular bulb. At least one end cap is located at one end of the translucent tubular bulb. A light engine is disposed in the translucent tubular bulb. The light engine has a leadframe on which a plurality of semiconductor light elements is arranged. The fixture may include an electronic driver. The electronic driver includes a plurality of electronic components. At least one of the plurality of electronic components is arranged inside the transparent tubular bulb.
Electronic device
An electronic device is provided. The device comprises a singulated carrier portion, a substrate molded onto the singulated carrier portion, and conductive traces disposed on the substrate. The substrate comprises a polymer composition that includes an aromatic polymer and an electrically conductive filler, wherein the polymer composition exhibits a surface resistivity of from about 1×10.sup.12 ohms to about 1×10.sup.18 ohms as determined in accordance with ASTM D257-14.
Reflective composite material, in particular for surface-mounted devices (SMD), and light-emitting device with a composite material of this type
A reflective composite material with a carrier consisting of aluminum with, on one side (A) of the carrier, an interlayer made of aluminum oxide, and with, above the interlayer, an optically active reflection-boosting multilayer system. In order to provide a high-reflectivity composite material of this kind which exhibits improved electrical connectivity when surface-mounting procedures are used, it is proposed that the thickness of the interlayer is in the range 5 nm to 200 nm, and that a layer of a metal or a metal alloy has been applied superficially on side (B) of the carrier that is opposite to the optically active reflection-boosting multilayer system, where the electrical resistivity at 25° C. of the metal or metal alloy is at most 1.2×10.sup.−1 Ωmm.sup.2/m, where the thickness of the layer applied superficially is in the range 10 nm to 5.0 μm.
Optoelectronic device with a component which is surface-mounted on a frame support structure, and reflective composite material for such a device
An optoelectronic device (LV) with a reflective composite material (V) having a carrier (1) consisting of aluminium, having an interlayer (2) composed of aluminium oxide present on one side (A) of the carrier (1) and having a reflection-boosting optically active multilayer system (3) that has been applied via the interlayer (2). The interlayer (2) consisting of aluminium oxide has a thickness (D.sub.2) in the range from 5 nm to 200 nm and that, on the opposite side (B) of the carrier (1) from the reflection-boosting optically active multilayer system (3), a superficial layer (9) of a metal or metal alloy having, at 25° C., a specific electrical resistivity of not more than 1.2*10.sup.−1 Ωmm.sup.2/m has been applied. The thickness (D.sub.9) of the superficially applied layer (9) is in the range from 10 nm to 5.0 μm. For an optoelectronic device (LV), the leadframe (LF) has a metallic material with an aluminium carrier (1), on the surface (A) of which a metallic joining layer (FA) not consisting of aluminium has been applied locally at the bonding site (SP) of an electronic surface-mounted device (SMD) to a wire (D).
Printed circuit board and manufacturing method therefor
A printed circuit board according to one embodiment of the present invention comprises an insulation board and a plurality of metal electrodes disposed on the insulation board, wherein: the plurality of metal electrodes include a first electrode and a second electrode; the first electrode includes a first surface parallel to an upper surface of the insulation board, a second surface facing the first surface, a first side surface disposed between the first surface and the second surface, and a second side surface facing the first side surface; a part of the first side surface and a part of the second side surface protrude toward the outside of the first electrode in the direction parallel to the upper surface of the insulation board; the first side surface protrudes farther in an area adjacent to the first surface than in an area adjacent to the second surface; and the second side surface protrudes farther in the area adjacent to the second surface than in the area adjacent to the first surface.
PRINTED CIRCUIT BOARD
The printed circuit board according to the embodiment includes a first insulating layer; a first circuit pattern disposed on a lower surface of the first insulating layer or inside the first insulating layer; a second circuit pattern disposed on an upper surface of the first insulating layer; and a second insulating layer disposed on the upper surface of the first insulating layer and to surround the second circuit pattern; wherein the second circuit pattern is an outermost circuit pattern, wherein the second circuit pattern and the second insulating layer are disposed to protrude on the upper surface of the first insulating layer, and wherein a height of the second circuit pattern is greater than a height of the second insulating layer.
Substrate structures and methods of manufacture
A power electronic substrate includes a metallic baseplate having a first and second surface opposing each other. An electrically insulative layer also has first and second surfaces opposing each other, its first surface coupled to the second surface of the metallic baseplate. A plurality of metallic traces each include first and second surfaces opposing each other, their first surfaces coupled to the second surface of the electrically insulative layer. At least one of the metallic traces has a thickness measured along a direction perpendicular to the second surface of the metallic baseplate that is greater than a thickness of another one of the metallic traces also measured along a direction perpendicular to the second surface of the metallic baseplate. In implementations the electrically insulative layer is an epoxy or a ceramic material. In implementations the metallic traces are copper and are plated with a nickel layer at their second surfaces.
Producing method of module
A method for producing a module includes a first step of preparing a conductive layer disposed at one side in a thickness direction of a first peeling layer, a second step of forming a conductive pattern from the conductive layer, a third step of pushing the conductive pattern into a first adhesive layer containing a first magnetic particle and a first resin component, and a fourth step of peeling the first peeling layer.
Insulated metal substrate
An insulated metal substrate (IMS) includes a metal substrate, an insulating layer, a plastic frame, and a plurality of conductive metal pads. The insulating layer is located on the metal substrate. The plastic frame is located on the insulating layer and has a plurality of aperture areas. The conductive metal pads are located on the insulating layer and are respectively located in the aperture areas, and the conductive metal pads have sidewalls are in contact with the plastic frame.