H05K2201/06

COMPOSITE PHASE CHANGE MATERIAL, APPLICATION METHOD OF COMPOSITE PHASE CHANGE MATERIAL, AND BATTERY
20210403781 · 2021-12-30 ·

A composite phase change material, including 65 to 80 parts of a phase change material and 20 to 35 parts of a binder by weight. The binder includes an acrylate monomer having a molecular weight of 50 to 300, an acrylate polymer having a molecular weight of 500 to 2000, and an initiator. The initiator in the composite phase change material can generate free radicals under the condition of ultraviolet light irradiation to initiate polymerization reactions between components of the composite phase change material, so that the composite phase change material is cured, thereby greatly accelerating a cure speed of the composite phase change material.

THERMAL BRIDGE FOR AN ELECTRICAL COMPONENT
20220030739 · 2022-01-27 ·

A thermal bridge includes upper and lower bridge assemblies including upper and lower plates arranged in stacks. Sides of the plates face each other to thermally interface the lower plates with the upper plates. The thermal bridge includes a spring element positioned between the upper bridge assembly and the lower bridge assembly. The thermal bridge includes an internal bridge frame having connecting elements that extend internally through the upper plates and the lower plates to hold the upper plates in the upper plate stack and to hold the lower plates in the lower plate stack.

Heat transfer in the printed circuit board of an SMPS by an integrated heat exchanger
11224117 · 2022-01-11 · ·

An integrated heat exchanger has a heat exchanger within a circuit board. The circuit board can be a PCB having one or more electronic components coupled to its top-side surface. The conductive layers of the PCB include a first sub-set of electrically conductive interconnects and as second sub-set of electrically conductive interconnects. The first sub-set of conductive layers are electrically connected to each other and to the one or more electronic components. The second sub-set of conductive layers are electrically isolated from the first sub-set of conductive layers by intervening non-conductive layers such as prepreg. In this manner, the heat exchanger is electrically isolated from the one or more electronic components. The second sub-set of conductive layers include a dedicated top-side conductive layer to which a baseplate can be attached. The baseplate is also attached to the one or more electronic components via an electrically non-conductive gap filler.

Component carrier having dielectric layer with conductively filled through holes tapering in opposite directions

A component carrier includes a stack with at least one electrically conductive layer structure and at least one electrically insulating layer structure. At least one electrically insulating layer structure has at least partly tapering through holes filled substantially completely with an electrically conductive filling. The at least one electrically conductive layer structure and the electrically conductive filling are made of the same material. In addition, different ones of the through holes of one electrically insulating layer structure are tapering in opposite directions.

Resin composition, prepreg, metallic foil-clad laminate, and printed wiring board

A resin composition including an inorganic filler (B) having an aluminosilicate (A) having a silicon atom content of from 9 to 23% by mass, an aluminum atom content of from 21 to 43% by mass, and an average particle diameter (D50) of from 0.5 to 10 μm; and any one or more thermosetting compounds selected from the group consisting of an epoxy resin (C), a cyanate compound (D), a maleimide compound (E), a phenolic resin (F), an acrylic resin (G), a polyamide resin (H), a polyamideimide resin (I), and a thermosetting polyimide resin (J), wherein a content of the inorganic filler (B) is from 250 to 800 parts by mass based on 100 parts by mass of resin solid content.

Electronic Device Having Floating Support Structure
20230300970 · 2023-09-21 ·

An electronic device includes a housing assembly, a circuit board, an electronic component, and a floating support assembly that are assembled together. Installation space is formed in the housing assembly. The circuit board, the electronic component, and the floating support assembly are all accommodated in the installation space. The circuit board is installed in the housing assembly. The electronic component is supported by the circuit board and is in signal communication with the circuit board. The floating support assembly is disposed on the circuit board to support the electronic component or disposed in the housing assembly to support the circuit board, so that the electronic component abuts against the housing assembly under an action of a pre-loading force of the floating support assembly.

Thermal bridge for an electrical component
11778786 · 2023-10-03 · ·

A thermal bridge includes an upper bridge assembly including upper plates arranged in an upper plate stack and a lower bridge assembly including lower plates arranged in a lower plate stack. Outer ends of the lower plates face and thermally couple to an electrical component. The upper plates and the lower plates are arranged in plate pairs. A spring element forces the upper plates and the lower plates of the plate pairs apart. The upper plates include upper limit tabs and the lower plates include lower limit tabs. The upper limit tabs and the lower limit tabs operate to limit spreading apart of the upper plates and the lower plates against the opening forces of the spring element.

TEMPERATURE MEASURING DEVICE

The present disclosure relates to a temperature measuring device for measuring a temperature of a pin-shaped electrical contact element, which includes a flexible circuit board with a first thermally conducting and electrically insulating substrate layer. The first substrate layer includes a contact surface that is configured to lie flat against a flange of the pin-shaped electrical contact element and an opening disposed in the contact surface. The pin-shaped electrical contact element is disposed at least partially in the opening. The flexible circuit board further includes a second thermally and electrically conducting layer that is disposed on a sensor surface opposite the contact surface of the first substrate layer and includes a sensor element connected to the sensor surface. The sensor element is configured to record a temperature of the pin-shaped electrical contact element when the pin-shaped electrical contact element is at least partially disposed in the opening.

Ceramic Circuit Board And Semiconductor Device Using Same

A ceramic circuit board includes a ceramic substrate and a metal plate bonded together via a bonding layer, wherein when the ceramic circuit board is observed through a cross-section defined by a thickness direction and lateral direction of the ceramic circuit board: a side surface of the metal plate has an inclined shape; and the bonding layer has a bonding-layer protruding portion which protrudes by 20 μm or more and 150 μm or less from an edge where the bonding layer is in contact with the side surface of the metal plate. The shape and Vickers hardness of the side surface of the metal plate are controlled. The ceramic substrate is preferably a silicon nitride substrate.

Component vertical mounting

A circuit component arrangement includes a base and a plurality of circuit components mounted to the base. A bonding agent adheres the circuit components in intimate contact to the base. The bonding agent is disposed in a respective open channel defined in an outward facing surface of the base in contact with each of the circuit components. A method of assembling a circuit component arrangement includes temporarily fastening a plurality of circuit components to a base. A bonding agent is injected into a respective open channel defined in the base to adhere each of the plurality of circuit components to the base. The plurality of circuit components are unfastened from the base. Injecting a bonding agent can include ceasing injection of bonding agent upon appearance of bonding agent in a window opening in fluid communication with the open channel.