H05K2203/072

Component Carrier Interconnection and Manufacturing Method
20220386464 · 2022-12-01 ·

A component carrier assembly includes a first component carrier having a first electrically insulating layer structure and a via in the first electrically insulating layer structure, where the via is at least partially filled with electrically conductive material and where an upper part of the via extends beyond an outer main surface of the first component carrier; and a second component carrier having a second electrically insulating layer structure, and an electrically conductive adhesive material that is at least partially embedded in the second electrically insulating layer structure. The first component carrier and the second component carrier are interconnected and the upper part of the via at least partially penetrates into the electrically conductive adhesive material.

Circuit board structure and manufacturing method thereof

A circuit board structure includes a redistribution structure layer, a build-up circuit structure layer, and a connection structure layer. The redistribution structure layer has a first and second surface, and includes an inner and outer dielectric layer, first connecting pads, and chip pads. A bottom surface of each first connecting pad is aligned with the first surface, and the chip pads are protruded from and located on the second surface. The build-up circuit structure layer includes second connecting pads. The connection structure layer is disposed between the redistribution structure layer and the build-up circuit structure layer and includes a substrate and conductive paste pillars penetrating the substrate. The first connecting pads are electrically connected to the second connecting pads via the conductive paste pillars, respectively. A top surface of each conductive paste pillar is aligned with the first surface of the redistribution structure layer.

Component Carrier With a Magnetic Element and a Manufacturing Method
20220377896 · 2022-11-24 ·

A component carrier includes a stack including at least one electrically conductive layer structure and/or at least one electrically insulating layer structure, a magnetic element assembled to the stack, and a dielectric layer structure on the stack. The magnetic element includes an embedded inductive element. The dielectric layer structure at least partially surrounds the magnetic element. Further, a manufacturing method and a use of photo-imaging are described.

Redistribution plate
11510318 · 2022-11-22 ·

A single-layer redistribution plate functioning as a space translator between a device under testing (“DUT”) and a testing PCB may comprise a hard ceramic plate. A DUT side of the plate may have pads configured to interface with a device under testing. Both sides of the plate may comprise traces, vias, and pads to fan out the DUT pad pattern so that the plate side opposite the DUT side has spatially translated pads configured to interface with the pads on a testing PCB. Fabricating a redistribution plate may comprise calibrating and aligning, laser milling vias, laser milling trenches and pads, copper plating, grinding and polishing, removing residual copper, and coating the copper surfaces.

REDISTRIBUTION PLATE
20230054628 · 2023-02-23 ·

A single-layer redistribution plate functioning as a space translator between a device under testing (“DUT”) and a testing PCB may comprise a hard ceramic plate. A DUT side of the plate may have pads configured to interface with a device under testing. Both sides of the plate may comprise traces, vias, and pads to fan out the DUT pad pattern so that the plate side opposite the DUT side has spatially translated pads configured to interface with the pads on a testing PCB. Fabricating a redistribution plate may comprise calibrating and aligning, laser milling vias, laser milling trenches and pads, copper plating, grinding and polishing, removing residual copper, and coating the copper surfaces.

Plated laminate and printed circuit board

Provided is a plating lamination technology for providing a highly adhesive inner layer of a printed circuit board. The plating lamination technology is effective in providing an electroless plated laminate, including a non-etched/low-roughness pretreated laminate or a low-roughness copper foil, and a printed circuit board including the plated laminate.

Selective metal deposition by patterning direct electroless metal plating

Embodiments include package substrates and a method of forming the package substrates. A package substrate includes a self-assembled monolayer (SAM) layer over a first dielectric, where the SAM layer includes first end groups and second end groups. The second end groups may include a plurality of hydrophobic moieties. The package substrate also includes a conductive pad on the first dielectric, where the conductive pad has a bottom surface, a top surface, and a sidewall, and where the SAM layer surrounds and contacts a surface of the sidewall of the conductive pad. The hydrophobic moieties may include fluorinated moieties. The conductive pad includes a copper material, where the top surface of the conductive pad has a surface roughness that is approximately equal to a surface roughness of the as-plated copper material. The SAM layer may have a thickness that is approximately 0.1 nm to 20 nm.

THERMAL COATING OF POWER ELECTRONICS BOARDS FOR THERMAL MANAGEMENT

An apparatus includes a printed circuit board (PCB), a power component disposed on the PCB, the power component to generate heat, and a multilayered coating disposed over the power component and at least a portion of the PCB to dissipate heat from the power component, the multilayered including: an electrical insulation layer comprising a non-polar compound and disposed on the power component and the at least a portion of the PCB; a chromium layer disposed on the electrical insulation layer; and a copper layer disposed on the chromium layer that is at least 10 microns (μm) thick, the copper layer conformally adhered to a top of the power component and to the PCB.

PRODUCING METHOD OF WIRED CIRCUIT BOARD

Provided is a method for producing a wired circuit board in which a first preparation step of preparing a first substrate having an insulating layer and a conductive layer disposed on one surface of the insulating layer; a second preparation step of preparing a second substrate having a metal layer; a bonding step of laminating the first substrate and the second substrate so that the conductive layer and the metal layer are in contact with each other, and metal-bonding the conductive layer and the metal layer; and a patterning step of forming a conductive pattern on the other surface of the insulating layer are carried out.

Process for fabrication of a printed circuit board using a semi-additive process and removable backing foil
11638354 · 2023-04-25 · ·

A method for forming a circuit board having a dielectric core, a foil top surface, and a thin foil bottom surface with a removable foil backing of sufficient thickness to absorb heat from a laser drilling operation to prevent the penetration of the thin foil bottom surface during laser drilling utilizes a sequence of steps including a laser drilling step, removing the foil backing step, electroless plating step, patterned resist step, electroplating step, resist strip step, tin plate step, and copper etch step, which provide dot vias of fine linewidth and resolution.