Patent classifications
H05K3/429
MULTILAYER PRINTED CIRCUIT BOARD
Embodiments provide a multilayer printed circuit board intended to connect electronic components, the board comprising a stack of a plurality of conductive layers, the conductive layers comprising two surface layers and one or more internal layers, the board comprising one or more counterbored holes, each counterbored hole comprising a portion with metallization opening onto one of the two surface layers and a portion without metallization opening onto the other surface layer; the multilayer printed circuit board may advantageously comprise one or more metal pads, each metal pad being joined to one of the two surface layers so as to occult the portion without metallization of a corresponding counterbored hole.
Method for manufacturing wiring board or wiring board material
Provide are a method for manufacturing a wiring board or a wiring board material, and the wiring board obtained by the method, which allows columnar metal members to be inserted into the wiring board at once using a simple operation, enables alignment without requiring strict accuracy, can handle columnar metal members having different shapes, and imparts sufficiently high adhesive strength to the columnar metal members. The method includes the steps of: laminating a laminate material LM including the support sheet 10 having the columnar metal members 14 formed thereon, a wiring board WB or a wiring board material WB′ having a plurality of openings in portions corresponding to the columnar metal members 14, and a prepreg 16′ having a plurality of openings in portions corresponding to the columnar metal members 14 and containing a thermosetting resin such that the columnar metal members 14 are positioned in the respective openings; integrating the laminate material LM by heating and pressing to obtain a laminate LB including a thermosetting resin filled between an inner surface of each of the openings of the wiring board WB or the wiring board material WB′ and each of the columnar metal members 14; and peeling at least the support sheet 14 from the laminate LB.
Component carrier with a solid body protecting a component carrier hole from foreign material ingression
A component carrier includes (a) a first stack with at least one first electrically conductive layer structure and/or at least one first electrically insulating layer structure; (b) a hole formed within the first stack; and (c) a non-deformable solid body closing a portion of the hole and being spaced with respect to side walls of the hole by a gap. A component carrier assembly includes (a) a component carrier as described above; (b) a second stack having at least one second electrically conductive layer structure and/or at least one second electrically insulating layer structure; and (c) a connection piece connecting the first stack with the second stack. Further described are methods for manufacturing such a component carrier and such a component carrier assembly.
Radio frequency (RF) system with RF isolation chambers and method of manufacture
A system includes a printed circuit board (PCB). The PCB includes a radio frequency (RF) circuit that includes a plurality of circuit modules and signal trace lines. Each circuit module is electrically connected to at least one other circuit module by a signal trace line. The system includes a via fence comprising fence walls having at least two materials laminated using a printed wire board (PWB) process. The fence walls include a plurality of vias. The fence walls form a plurality of free-form RF isolation chambers, each chamber includes chamber walls that surround each circuit module outside of the PCB. The embodiments also include a method of manufacturing and/or isolating the system or components of the system.
Forming Through Hole in Component Carrier by Laser Drilling Blind Hole and Extending the Latter by Etching
A method of manufacturing a component carrier includes laser drilling a blind hole in a layer stack, and subsequently extending the blind hole to a through hole by etching. A component carrier includes an electrically insulating layer structure, an electrically conductive layer structure directly on an electrically insulating layer structure, and a tapering through hole extending through the electrically conductive layer structure and through the electrically insulating layer structure with a lateral overhang of the electrically conductive layer structure beyond the electrically insulating layer structure at the tapering through hole of not more than 20% of a maximum diameter of the tapering through hole.
All-directions embeded module, method for manufacturing the all-directions embeded module, and all-directions packaging structure
An all-directions embedded module includes a substrate layer, many first embedded pads, many second embedded pads, and many side wall circuits. The substrate layer comprises a first surface, a second surface opposite to the first surface, and a plurality of side surfaces connected to the first surface and the second surface. The first embedded pads is formed on the first surface. The second embedded pads is formed on the second surface. The side wall circuits embedded in the substrate layer and exposed from the side surfaces. The all-directions embedded module further includes a plurality of first connecting circuits formed on the first surface and a plurality of second connecting circuits formed on the second surface. The first embedded pads is connected to the side wall circuits by the first connecting circuits. The second embedded pads is connected to the side wall circuits by the second connecting circuits.
Substrate with antenna, and antenna module
A substrate with an antenna according to the present disclosure includes a circuit board having one main surface and the other main surface, and an antenna element mounted on the one main surface of the circuit board. When viewed from a thickness direction, an area of the one main surface of the circuit board is larger than an area of the other main surface, and the antenna element is mounted on at least a part of a region that is on the one main surface of the circuit board and that protrudes from the other main surface.
PCB structure for embedding electronic components
A PCB, printed circuit board, structure for forming at least one embedded electronic component. The structure comprises a multi-layer PCB board comprising at least one through-hole via, the via comprising a plurality of electrodes vertically aligned within the via, each electrode comprising a plated ring; and an isolation section separating each of the electrodes.
Process for fabrication of a printed circuit board using a semi-additive process and removable backing foil
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.
METHOD, SYSTEM AND DEVICE FOR MANUFACTURING PRINTED CIRCUIT BOARD, AND COMPUTER STORAGE MEDIUM
Disclosed are a method, system and device for manufacturing a printed circuit board, and a computer storage medium. The method comprises: acquiring a printed circuit board to be manufactured which includes a via hole; acquiring shape information of the via hole; acquiring connection information of circuit layers in said printed circuit board; assembling preset conducting devices according to the connection information and the shape information, so as to obtain a target conducting device that matches the connection information and the shape information; guiding the target conducting device into the via hole to obtain a conducting printed circuit board; and connecting the conducting printed circuit board to obtain a target printed circuit board, wherein the types of the preset conducting devices comprise a metal conducting device, a non-metal conducting device and a semi-metal conducting device.