H05K9/0024

Electronic device including heat radiating structure

An electronic device is provided. The electronic device includes a circuit board, at least one electric component disposed on one surface of the circuit board, a shield can mounted on the one surface of the circuit board, with the at least one electric component received in the shield can, and including at least one opening formed in an area corresponding to the at least one electric component, a shielding sheet disposed in at least a portion of the shield can and blocking at least a portion of the at least one opening, and a heat transfer member disposed in contact between the at least one electric component and the shielding sheet. The shielding sheet includes a flexible structure.

ON-BOARD INTEGRATED ENCLOSURE FOR ELECTROMAGNETIC COMPATIBILITY SHIELDING
20230089254 · 2023-03-23 ·

A printed circuit board (PCB) and a method of manufacturing the same is described. The PCB includes a substrate defining a major plane and an integrated electromagnetic interference and compatibility (EMC/EMI) shielding enclosure configured to enclose the substrate. The shielding enclosure includes a metallic top layer deposited on top of the major plane of the substrate so as to envelope an uppermost layer of the substrate, a metallic bottom layer deposited on bottom of the major plane of the substrate so as to envelope a bottommost layer of the substrate, and a metallic side layer formed along a length of one or more edges of the substrate to electrically connect the metallic top layer and the metallic bottom layer.

SEMICONDUCTOR LASER DRIVING APPARATUS, ELECTRONIC EQUIPMENT, AND MANUFACTURING METHOD OF SEMICONDUCTOR LASER DRIVING APPARATUS

To reduce the wiring inductance when establishing electrical connection between a semiconductor laser and a laser driver in a semiconductor laser driving apparatus. A semiconductor laser driving apparatus includes a substrate, a laser driver, and a semiconductor laser. The substrate incorporates the laser driver. The semiconductor laser is mounted on one surface of the substrate. Connection wiring electrically connects the laser driver and the semiconductor laser to each other with a wiring inductance of 0.5 nanohenries or less. A shield suppresses flow of electromagnetic waves to/from an outside of the semiconductor laser driving apparatus for at least one of the semiconductor laser and the laser driver.

UHD HDR IP CLIENT DEVICE

A robust, reliable, and efficient UHD HDR Internet Protocol IP client device, such as a set top box, receives content, for example, from a cable service provider so that the content can be displayed to a compatible display device with improved visual effect. The content is 4K or higher content that requires UHD/HDR for a satisfactory user experience. The UHD provides for an improved resolution of the content while HDR provides for a more intense or greater contrast range of the content when displayed on a compatible display device.

Compartment Shielding With Metal Frame and Cap

A semiconductor device has a substrate and a first semiconductor die disposed over the substrate. A first metal frame is disposed over the substrate around the first semiconductor die. A first metal lid is disposed over the first metal frame. A flap of the first metal lid includes an elastic characteristic to latch onto the first metal frame. An edge of the flap can have a castellated edge. A recess in the first metal frame and a protrusion on the first metal lid can be used to latch the first metal lid onto the first metal frame. A second metal frame and second metal lid can be disposed over an opposite surface of the substrate from the first metal frame.

PRINTED CIRCUIT BOARD AND ELECTRONIC DEVICE INCLUDING THE SAME
20230130560 · 2023-04-27 ·

An electronic device may include a housing, a first printed circuit board being disposed in the housing and including a receiving space formed in at least a portion thereof, and a second printed circuit board being stacked (directly or indirectly) on at least a partial area of the first printed circuit board, the second printed circuit board including a first surface including a plurality of pads configured to be electrically connected with the first printed circuit board and a second surface facing in a direction opposite to the first surface. Other various embodiments are possible.

High-frequency module

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).

Electronic apparatus

An electronic apparatus includes a printed board and an electroconductive shield member disposed such as to cover a shield area which is a part of a front surface of the printed board. A wiring connecting an inside and an outside of the shield area is disposed on the front surface of the printed board. The shield member has an opening that connects an inside and an outside of the shield member, at a position where the wiring passes through an outer edge of the shield area, and that extends in an extending direction of the wiring. The opening is electrically connected to a conductor disposed on an opposite side of the wiring from the opening, and the opening and the conductor form a waveguide surrounding the wiring.

Apparatus and methods for mitigating electromagnetic interference in an electronic controller

An interface for mitigating electromagnetic interference (EMI) on a printed circuit board (PCB) is disclosed. The PCB can contain circuit components and includes one or more signal planes sandwiched between corresponding ground planes. The PCB has a first and second side and an interface region separating the first and second sides that includes a partition wall projecting outward from the interface region, configured for EMI shielding between the first side and second sides, one or more pairs of input and output pads straddling the interface region on respective first and second sides and configured to accommodate an EMI line filter, and a ground barrier within the printed circuit board under the interface region. A method of mitigating EMI using the interface is also disclosed.

Electronic device and heat dissipating electromagnetic shielding structure

An electronic device includes a substrate, at least one electronic element and a heat dissipating electromagnetic shielding structure. The heat dissipating electromagnetic shielding structure is disposed on the substrate and covers the at least one electronic element, wherein the heat dissipating electromagnetic shielding structure includes a shielding frame and a heatsink. The shielding frame includes a plurality of spring members. The spring members are bent toward the substrate and partially abut against the heatsink. When the heatsink and the shielding frame are correspondingly arranged, a shielding space is defined, the electronic element is disposed in the shielding space, and a heat generated by the at least one electronic element is conducted out of the shielding space via the heatsink.