Abstract:
The present invention provides a PWB for attaching electrical components thereto. The PWB includes a stack of insulating layers, conductive layers located between the insulating layers, wherein the conductive layers terminate at an edge of the PWB, and an edge plate interconnect located on the edge. The edge plate interconnect is free of a complementary via and contacts and electrically interconnects the conductive layers. The present invention also provides a method of making the PWB and also provides a power converter implementing the edge plate interconnects.
Abstract:
A pedestal connector that incorporates one or more grouped element channel link transmission lines is seen to have a dielectric body and two opposing contact ends that are intended to contact opposing contacts or traces. The dielectric body has an S-shaped configuration such that the transmission lines supported thereon make at least one change in direction, thereby permitting the use of such connector to interconnect elements lying in two different planes. The transmission lines include slots that extend within the frame and which define opposing, conductive surfaces formed on the dielectric body which are separated by an intervening air gap.
Abstract:
A technique for reducing via capacitance is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for reducing via capacitance. The method may comprise forming, in a circuit board, a via hole that bridges a first trace and a second trace. The method may also comprise forming a channel in a sidewall of the via hole. The method may further comprise filling the via hole and the channel with a conductive material. The method may additionally comprise removing the conductive material from the via hole without depleting the channel, thereby forming an interconnect that couples the first trace to the second trace.
Abstract:
A method of fabricating a printed circuit board, a printed circuit board formed according to the method, and a system including the printed circuit board. The method comprises: providing a substrate; providing a through hole opening in the substrate; metallizing walls of the opening to provide a conductive coating thereon defining a hollow region within the opening; providing gaps in the conductive coating to yield a corresponding number of conductive coating portions separated by the gaps and by the hollow region; filling the gaps and the hollow region with an electrically insulating material to electrically isolate the conductive coating portions from one another to provide a plated through hole including a plurality of connections; wherein each of the conductive coating portions defines at least part of a connection of the plurality of connections; and circuitizing the substrate to provide conductive traces thereon connected to corresponding ones of the plurality of connections to yield the printed circuit board.
Abstract:
A via structure of a printed circuit board includes an insulation layer having a first surface and a second surface, a through-hole and a plurality of internal conducting coatings. The through-hole is throughout the first surface and the second surface of the insulation layer and the internal conductive coatings connected to a wall of the through-hole are mutually electrically insulated so that different signals can be transmitted between both sides of the substrate through a single via.
Abstract:
A method for forming an plurality of paths on a substrate includes drilling an opening for a via to a depth to expose a first pad and a second pad, lining the opening with a conductive material, and insulating a first portion of the lining in the opening from a second portion of the lining in the opening to form a first electrical path contacting the first pad and a second electrical path contacting the second pad.
Abstract:
The invention is an optical reader having a plurality of image sensors. Each image sensor of a plural image sensor optical reader can be disposed on an imaging module that can include a light source. In one embodiment, a frame of image data captured via actuation of an image sensor of a first imaging module and actuation of illumination of a second imaging module is subjected to decoding. The various modules of a multiple imaging module reader can be adapted to have different best focus positions so that a field depth of the reader is improved.
Abstract:
A method for producing a printed circuit board is described. A substrate having a via is provided with the via being coated with a conductive layer defining a perimeter of the via. The conductive layer defining an open via hole. The open via hole is filled with a non-conductive filling material. Then, the substrate is planed to remove any residue of the filling material on the surface of the substrate. Then, at least two holes are formed in the substrate with each hole overlapping the perimeter of the via and thereby removing a portion of the conductive layer and the filling material whereby the two holes in the substrate cooperate to form at least two electrically isolated segments in the conductive layer.
Abstract:
A via provides a plurality of electrical connections between conductors on different layers of a circuit board. The via includes an opening through the circuit board formed by a plurality of substantially partially overlapping bores. An electrically conductive plating is formed on an inner surface of the opening. The plating forms a plurality of distinct electrically conductive paths.
Abstract:
A cut via structure for and a manufacturing method of connecting separate conductors are provided. The cut via structure is electrically connected to a substrate. It comprises at least two separate conductors. These conductors form a central-hollow via structure. Alternatively, the central hole can be filled with desired materials (central-filling structure). The conductors are separated by gaps among them. The gaps are formed in a vertically or slantly cut direction with respect to the substrate surface. The cut via structure further comprises a filling layer filled in between the separate conductors. Determined by the material property of the filling layer, the cut via structure can be used as a capacitor or a resistor, or for signal shielding. The cut via structure is made after the formation of a conventional via structure that has no signal shielding effect. This invention has the advantages of low manufacturing cost as well as flexible circuit board design due to its adjustable electrical parameters.