H05K2201/093

Printed circuit board including auxiliary power supply and electronic apparatus including the same
11184973 · 2021-11-23 · ·

Disclosed is a printed circuit board comprising: an integrated circuit (IC) mounted on a board plane; a power supply provided on the board plane and connected to an external power source to supply necessary power to the IC; a power plane provided in the board plane and configured to provide a main path for supplying the power from the power supply to the IC; a ground plane provided in the board plane and configured to provide a ground path corresponding to the power plane; a body mounted on the board plane by surface mount technology (SMT) and formed of an insulating material; and a conductive member disposed on the body and having one end connected to the power supply and another end connected to the IC to provide an additional power supply path in parallel with the power plane.

Control device and circuit board

A control device and a circuit board are provided. The control device can cooperate with the circuit board, and includes a ball grid array. The ball grid array includes a plurality of power balls and a plurality of ground balls, which are jointly arranged in a ball region. The power balls and the ground balls are respectively divided into a plurality of power ball groups and a plurality of ground ball groups. One of the ground ball groups includes two ground balls and is adjacent to a power ball group. A ball pitch between the two ground balls is greater than that between one of the power balls and one of the ground balls adjacent to each other. The circuit board includes a contact pad array corresponding to the ball grid array of the control device so that the control device can be disposed on the circuit board.

Print circuit board, optical module, and optical transmission equipment

Provided is a print circuit board including: a ground conductor layer; a pair of strip conductors extending along a first orientation; a first resonator conductor three-dimensionally intersecting with the pair of strip conductors along a second orientation; a pair of first via holes connecting the first resonator conductor and the ground conductor layer; and a dielectric layer including the first resonator conductor therein, and being disposed between the ground conductor layer and the pair of the strip conductors. A distance H.sub.1 between the pair of strip conductors and the ground conductor layer is twice or more a distance H.sub.2 between the pair of strip conductors and the first resonator conductor, and a line length L of the first resonator conductor is 0.4 wavelength or more and 0.6 wavelength or less at a frequency corresponding to the bit rate.

SETTING THE IMPEDANCE OF SIGNAL TRACES OF A CIRCUIT BOARD USING A REFERENCE TRACE

A circuit board has an edge connector with signal traces. The signal traces are formed on a dielectric layer of the circuit board. A reference trace is formed within the dielectric layer or on another surface of the dielectric layer. Parameters of the reference trace are adjusted to set an impedance of a single-ended signal trace or a differential impedance of two adjacent signal traces.

Setting the impedance of signal traces of a circuit board using a reference trace

A circuit board has an edge connector with signal traces. The signal traces are formed on a dielectric layer of the circuit board. A reference trace is formed within the dielectric layer or on another surface of the dielectric layer. Parameters of the reference trace are adjusted to set an impedance of a single-ended signal trace or a differential impedance of two adjacent signal traces.

CPU FOR HEATSINK BASED POWER DELIVERY
20230337360 · 2023-10-19 ·

A CPU includes a processor die and a substrate. The processor die includes first signal contacts, power contacts, and ground contacts. The processor die is affixed and electrically coupled to the substrate on a first surface of the substrate. The substrate routes the first signal contacts to associated second signal contacts on a second surface of the substrate. The substrate further routes a subset of the power contacts to a power pad on the first surface of the substrate, and routes a subset of the ground contacts to a ground pad on the first surface of the substrate.

HEATSINK BASED POWER DELIVERY FOR CPUS
20230337351 · 2023-10-19 ·

An information handling system includes a PCB, a CPU, a power distribution hat, and a heat sink. The PCB includes a first power contact on a first surface of the PCB and a first ground contact on a second surface of the PCB. The CPU includes a substrate and is affixed and electrically coupled to the first surface of the PCB by a first surface of the substrate. A second surface of the substrate includes a second power contact and a second ground contact. The power distribution hat couples the first power contact with the second power contact. The heat sink couples the first ground contact with the second ground contact.

CIRCUIT BOARD AND CIRCUIT MODULE
20230337359 · 2023-10-19 ·

A circuit board includes a grounding land conductor that is provided on a first main surface of a base material, and overlaps with a region in which an electronic component of a bump connection type is mounted, when viewed in a direction perpendicular to the first main surface. The grounding land conductor includes a mounting pad portion on which a bump of the electronic component is mounted, a common portion that overlaps with the electronic component, when viewed in the direction perpendicular to the main surface, and a connecting portion that connects the mounting pad portion and the common portion and is smaller in width than the mounting pad portion.

Loading Pads for Impedance Management in Printed Circuit Board
20230319985 · 2023-10-05 ·

A printed circuit board (PCB) for three-dimensional (3D) packaging that may facilitate packaging multiple electronic components therein is provided. The PCB may include one or more loading pads formed around signal or ground vias to facilitate impedance control and reduce likelihood of signal distortion. The loading pads may be formed on a plane in a body of a dielectric layer configured to form the PCB.

Axial field rotary energy device having PCB stator with non-linear traces

An axial field rotary energy device can include rotors having magnets and an axis of rotation. A stator assembly can be located axially between the rotors. The stator assembly can include PCB panels. Each PCB panel can have layers. Each layer can include coils. Each coil can have radial traces relative to the axis. The radial traces can include non-linear radial traces coupled by arch traces that are transverse to the non-linear radial traces.