H05K3/0032

Component carrier with through hole extending through multiple dielectric layers

A component carrier and a method of manufacturing a component carrier are provided. The component carrier includes a stack having a front side and a back side, the stack including a plurality of stacked electrically insulating layer structures, a through hole being narrower in its inner portion compared to its exterior portions and extending through the plurality of electrically insulating layer structures so that sidewalls of each of the electrically insulating layer structures delimit respective parts of the through hole, and an electrically conductive filling medium filling at least a part of the through hole.

THERMALLY INDUCED GRAPHENE SENSING CIRCUITRY ON INTELLIGENT VALVES, ACTUATORS, AND PRESSURE SEALING APPLICATIONS
20210321521 · 2021-10-14 ·

Thermally induced graphene sensing circuitry and methods for producing circuits from such thermally induced circuits are presented in conjunction with applications to hydrocarbon exploration and production, and related subterranean activities. The thermally induced graphene circuity advantageously brings electrically interconnections otherwise absent on oilfield service tools, enabling components and tools to become smart.

METHOD FOR PRODUCING PRINTED WIRING BOARD

The present invention provides a method for producing a novel printed wiring board having much higher adhesion between a filler-containing insulating resin substrate and a plating film. The method comprises the steps of: subjecting a filler-containing insulating resin substrate to a swelling treatment; a roughening treatment; a reduction treatment; and electroless plating,
wherein the filler-containing insulating resin substrate after the reduction treatment is treated with a first treating solution and a second treating solution, and then is subjected to the electroless plating,
wherein the first treating solution has a pH of 7 or higher and comprises: at least one selected from the group consisting of ethylene-based glycol ether represented by CmH(2m+1)-(OC.sub.2H.sub.4)n-OH, where m=an integer of 1 to 4, n=an integer of 1 to 4, and propylene-based glycol ether represented by CxH(2x+1)-(OC.sub.3H.sub.6)y-OH, where x=an integer of 1 to 4, y=an integer of 1 to 3, and
wherein the second treating solution has a pH of 7.0 or higher and comprises an amine-based silane coupling agent.

A PROCESS FOR THE MANUFACTURING OF PRINTED CONDUCTIVE TRACKS ON AN OBJECT AND 3D PRINTED ELECTRONICS
20210227697 · 2021-07-22 ·

The present disclosure concerns methods for the manufacturing of products with printed conductive tracks. The process comprising scribing a first trench into the surface of the object, wherein on a border of the trench a first ridge is formed to define a first edge of a material receiving track. At a distance from the first trench a second trench is formed, wherein on the borders of the second trench a second ridge is formed facing the first ridge. The first and second ridges define a material receiving track which may be provided with a material suited to form a conductive track.

REDISTRIBUTION PLATE
20210243896 · 2021-08-05 ·

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.

Dual conductor laminated substrate
11134575 · 2021-09-28 · ·

A method for manufacturing a dual conductor laminated substrate includes providing a first laminate including a first insulating layer and a first conductive layer; defining a first trace pattern including one or more traces in the first laminate; providing a second laminate including a second insulating layer and a second conductive layer; defining a second trace pattern including one or more traces in the second laminate; defining access holes in the second insulating layer; at least one of depositing and stenciling a conductive material in the access holes of the second insulating layer; and aligning and attaching the first laminate to the second laminate to create a laminated substrate.

Circuit Structure
20210274652 · 2021-09-02 ·

A circuit structure that comprises a substrate and one or more conductive elements disposed on the substrate is provided. The substrate comprises a polymer composition that comprises an electrically conductive filler distributed within a polymer matrix. The polymer matrix contains at least one thermoplastic high performance polymer having a deflection temperature under load of about 40° C. or more as determined in accordance with ISO 75-2:2013 at a load of 1.8 MPa, and the polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

Metal Sublayer Sensing In Multi-Layer Workpiece Hole Drilling
20210161017 · 2021-05-27 ·

Disclosed herein is a system for drilling in a multilayer printed circuit board. The system includes a source of electromagnetic radiation configured to transmit a measurement pulse in open air to a workpiece, an anode, a resettable electric charge sensor (ECS), operably connected to the anode, and a control unit, configured to receive at least one value indicative of the quantity of at least part of charged molecules received at the anode and determine a second value indicative of the quantity of charged molecules received at the anode that were derivative of emitted electrons responsive to the measurement pulse.

Wiring board manufacturing method and wiring board
11026335 · 2021-06-01 · ·

A wiring board manufacturing method includes: forming a first groove structure in a first principal surface of a base by scanning with laser light in a first irradiation pattern such that the first groove structure has a first width; irradiating an inside of the first groove structure with laser light in a second irradiation pattern that is different from the first irradiation pattern to form recessed portions inside the first groove structure; and forming a first wiring pattern by filling the first groove structure with a first electrically-conductive material to form a first wiring pattern whose shape matches with a shape of the first groove structure in a top view.

Wiring substrate

A wiring substrate includes a plurality of wiring layers, a component mounting part on which an electronic component can be mounted, and a component non-mounting part on which an electronic component cannot be mounted. A portion located in the component non-mounting part of one wiring layer of the plurality of the wiring layers includes a plurality of first through-holes having an elongated shape as seen from above and aligned with predetermined intervals with longitudinal directions of the first through-holes being faced toward a direction perpendicular to a longitudinal direction of the wiring substrate.