Abstract: A component built-in substrate includes a multilayer body and a substrate including a multilayer ceramic electronic component embedded therein. The multilayer ceramic electronic component includes a first connection portion that protrudes from the first external electrode, and a second connection portion that protrudes from the second external electrode. The substrate includes a core material. The multilayer ceramic electronic component including the first connection portion and the second connection portion includes a surface covered by the core material and embedded in the substrate. The first connection portion protrudes toward a surface of the substrate, and is not exposed at the surface of the substrate. The second connection portion protrudes toward the surface of the substrate, and is not exposed at the surface of the substrate.

Abstract: A printed wiring board includes a first insulating layer, a conductor layer on the first insulating layer, and a second insulating layer formed on the first insulating layer and covering the conductor layer. The conductor layer includes first, second and third circuits, the first circuit has first width of 15 ?m or less, the first and second circuits have second space between the first and second circuits such that the second space has second width of 14 ?m or less, the first and third circuits have third space between the first and third circuits such that the third space has third width of 20 ?m or more, and the first circuit has first lower and upper surfaces, and second and third side walls such that second angle between the second wall and the first lower surface is larger than third angle between the third wall and the first lower surface.

Abstract: A device includes an interconnect device attached to a redistribution structure, wherein the interconnect device includes conductive routing connected to conductive connectors disposed on a first side of the interconnect device, a molding material at least laterally surrounding the interconnect device, a metallization pattern over the molding material and the first side of the interconnect device, wherein the metallization pattern is electrically connected to the conductive connectors, first external connectors connected to the metallization pattern, and semiconductor devices connected to the first external connectors.

Abstract: A mobile terminal according to an embodiment includes a display panel having flexibility, and a support plate configured to support the display panel and to include a curved edge, at least a part of which is surrounded by the display panel. The display panel includes a base substrate, a light-emitting layer provided on the base substrate and configured to include a light-emitting element, a thin-film encapsulation layer configured to seal the light-emitting element, and a thin-film transistor (TFT) film configured to supply a signal to the light-emitting element, a polarizing film provided on the light-emitting layer, and a protective film provided on the polarizing film. The TFT film is extended from the base substrate at the curved edge to cover an edge of the base substrate.

Abstract: A circuit-including film comprising: a resin film (1); and a conductive fine wire circuit (A) and a conductive circuit (B) independent of the conductive fine wire circuit (A), which are arranged on one surface of the resin film (1), wherein the resin film (1) contains at least one resin selected from the group consisting of a polyvinyl acetal resin, an ionomer resin and an ethylene-(vinyl acetate) copolymer resin.

Abstract: A semiconductor package includes a first redistribution substrate, a first semiconductor chip mounted on the first redistribution substrate, a first molding layer on the first redistribution substrate and covering a top surface and lateral surfaces of the first semiconductor chip, a second redistribution substrate on the first molding layer, and an adhesive film between the second redistribution substrate and the first molding layer. The adhesive film is spaced apart from the first semiconductor chip and covers a top surface of the first molding layer. A lateral surface of the adhesive film is coplanar with a lateral surface of the second redistribution substrate.

Abstract: A method of manufacturing a modified liquid crystal polymer includes: providing a liquid crystal polymer having a first melting point; heating the liquid crystal polymer to a first temperature and maintaining at the first temperature for a first time period, in which the first temperature is lower than or equal to the first melting point; and cooling the liquid crystal polymer to a second temperature to form a first modified liquid crystal polymer, the second temperature being lower than the first temperature, the first modified liquid crystal polymer having a second melting point, in which the second melting point is higher than the first melting point.

Abstract: 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.

Abstract: An item may be formed from structures that include holes. Stitching may be used to form a seam that joins the structures. The stitching may be formed from a chain stitch that passes through the holes. The holes may be formed from loops of knit fabric or other holes. Leather layers, polymer layers, fabric layers, and other structures with holes may be joined using the stitching. During fabrication, a layer of material with holes may be placed on an adjustable-shape fixture having a bed of needles. The shape of the bed of nails in the adjustable-shape fixture may then be changed. After the fixture has been used to transform the shape of one or more of the structures, the structures may be placed on needles in an assembly fixture and the stitching between the structures may be formed. The item may be an electronic device cover or other item.

Abstract: A back-film structure may include a first back-film portion which serves as a first circle upon rolling and a second back-film portion arranged side by side with the first back-film portion in the rolling direction, wherein a thickness of the first back-film portion increases in the rolling direction. This solution can ensure that the inner surface of the tail end of the first back-film portion is located as close as possible to the inner surface of the head end of the first back-film portion after the rolling.

Abstract: A package that includes an integrated device, a substrate coupled to the integrated device, and an encapsulation layer coupled to the substrate. The encapsulation layer encapsulates the integrated device. The substrate includes at least one dielectric layer, a plurality of interconnects located in the at least one dielectric layer, wherein at least one of the interconnects has a rectangular side cross-section having at least one corner with a corner radius less than a corner radius threshold.

Abstract: A method of manufacturing a circuit board includes: providing a substrate including a bottom layer and a resin layer over the bottom layer, the resin layer including a first surface in contact with the bottom layer and a second surface opposite to the first surface; forming a plurality of vias through the resin layer; depositing a first metal layer in the vias, the first metal layer filling a portion of each of the vias; depositing a second metal layer over the first metal layer and in the vias; forming a patterned metal layer over the second metal layer and extending from each of the vias to a position over the second surface; separating the bottom layer and the resin layer; and removing a portion of the resin layer from the first surface, so that the first metal layer protrudes from the resin layer.

Abstract: Proposed is a conductive particle used for a testing socket electrically connecting a lead of a device to be tested and a pad of a test board by being arranged between the device to be tested and the test board, wherein the conductive particle has a predetermined depth d and has a length l that is greater than a width w, the conductive particle having a body part in a pillar shape, a first convex part having an upper surface, formed in a top of the body part, and a second convex part having a lower surface, formed in a bottom of the body part.

Abstract: An electronic module includes an electronic part including a bottom surface and lands, the bottom surface including a first region and a third region surrounding the first region, the first lands being disposed in the third region, a printed wiring board including a main surface and second lands, the main surface including a second region and a fourth region surrounding the second region, the main surface facing the bottom surface of the electronic part, the second lands being disposed in the fourth region, solder bonding portions respectively bonding the first lands to the second lands, and a resin portion containing a cured product of a thermosetting resin and being in contact with the solder boding portions. A recess portion is provided in the second region. The resin portion is not provided in the recess portion.

Abstract: A display device and a method for manufacturing a display device is provided. The display device includes a display panel. The display panel includes a bending portion, a first non-bending portion and a second non-bending portion, positioned at two opposite sides of the bending portion. The second non-bending portion is positioned by bending the bending portion in an asymmetric and non-180 degree way toward a back side of the first non-bending portion. The present disclosure solves the issues of the conventional art, which cannot narrow down the width of the side frame.

Abstract: Method for the production of polyoxazolidinone compounds, comprising the reaction of at least one biscarbamate compound (A) with at least one bisepoxide compound (B) in the presence of at least one base (D), at least one Lewis acid catalyst (E), and optionally at least one compound (C), wherein the compound (C) comprising a mono-carbamate group, a mono-isocyanate group and/or a mono-epoxide group, and wherein the base (D) having a pKb-value of ?9. The invention is also related to the resulting polyoxazolidinone compounds.

Abstract: A printed circuit board according to an embodiment of the present disclosure includes a base film having an insulating property, and a conductive pattern that is stacked on at least one surface of the base film and that includes a plurality of wiring parts arranged in parallel. The plurality of wiring parts have an average width of 5 ?m or more and 15 ?m or less. The plurality of wiring parts have an electroless plating layer and an electroplating layer stacked on the electroless plating layer. A void density at an interface between the electroless plating layer and the electroplating layer in a section of the plurality of wiring parts in a thickness direction is 0.01 ?m2/?m or less.

Abstract: A multi-layered circuit board proofed against conductor loss or diminution when heated includes first and second circuit base boards. Each first circuit base board includes a first dielectric layer and a first wiring layer formed thereon and a first stepped paste block as a conductor formed in the first dielectric layer. The first stepped paste block is electrically connected to the first dielectric layer. Each second circuit base board includes a second dielectric layer and a second wiring layer, a second stepped paste block as a conductor is formed in the second dielectric layer. When pressed together for an electrical interconnection, the paste blocks are sealed and thus captive between the first and second circuit base boards.

Abstract: Generally discussed herein are systems, methods, and apparatuses that include conductive pillars that are about co-planar. According to an example, a technique can include growing conductive pillars on respective exposed landing pads of a substrate, situating molding material around and on the grown conductive pillars, removing, simultaneously, a portion of the grown conductive pillars and the molding material to make the grown conductive pillars and the molding material about planar, and electrically coupling a die to the conductive pillars.

Abstract: A wiring structure is provided. The wiring structure includes an upper redistribution structure, a lower redistribution structure, a conductive structure, an upper bonding layer and a lower bonding layer. The conductive structure is disposed between and electrically connected to the upper redistribution structure and the lower redistribution structure. The upper bonding layer is disposed between the upper redistribution structure and the conductive structure to bond the upper redistribution structure and the conductive structure together. The lower bonding layer is disposed between the lower redistribution structure and the conductive structure to bond the lower redistribution structure and the conductive structure together.

Abstract: A coil component includes: a body including a magnetic material and a coil of which both ends are externally exposed; intermetallic compounds disposed on the exposed both ends of the coil; and external electrodes disposed on the body to cover the intermetallic compounds. The external electrodes include: conductive resin layers disposed on outer surfaces of the body to contact the exposed both ends of the coil and including base resins, a plurality of metal particles disposed in the base resins, and conductive connecting parts surrounding the plurality of metal particles and contacting the intermetallic compounds. The coil component further includes electrode layers disposed on the conductive resin layers and contacting the conductive connecting parts.

Abstract: A wiring structure and a method for manufacturing the same are provided. The wiring structure includes a conductive structure and at least one conductive through via. The conductive structure includes a plurality of dielectric layers and a plurality of circuit layers in contact with the dielectric layers. The conductive through via extends through at least a portion of the conductive structure. At least one of the circuit layers includes a first portion in contact with the conductive through via and a second portion in contact with the dielectric layer. A surface roughness of the first portion of the circuit layer is greater than a surface roughness of the second portion of the circuit layer.

Abstract: A twistable light emitting diode display module including a twistable substrate, an electrode pattern layer, an insulating layer, a circuit layer, and a plurality of light emitting diode devices. The electrode pattern layer is disposed on the twistable substrate. The insulating layer is disposed on the electrode pattern layer, where an edge of the insulating layer has an opening, located at an edge of the twistable substrate and exposing a part of the electrode pattern layer. The circuit layer is disposed on the insulating layer and on sidewalls of the opening, and is connected to the electrode pattern layer. The plurality of light emitting diode devices are disposed on the circuit layer and are electrically connected to the circuit layer respectively, wherein each of the plurality of light emitting diode devices includes a driving circuit.

Abstract: X.5 layer substrates that do not use an embedded traces substrate process during formation may produce a high yield with relaxed L/S in a short manufacturing time (only 4× lamination process without a detach process) at a low cost. For example, a substrate may include an mSAP, two landing pads, two escape lines, two bump pads, and a photo-imageable dielectric layer on the mSAP patterned substrate.

Abstract: A wire harness includes: an electrical wire including a core wire and an insulating covering for covering the core wire; and a sheet material in which the electrical wire is disposed on a resin main surface, and a part of the main surface having contact with the electrical wire is welded to the insulating covering of the electrical wire, thereby forming an electrical wire fixing part. A largest thickness dimension in the electrical wire fixing part in the sheet material is formed larger than a thickness dimension in a part of the sheet material where the electrical wire is not disposed.

Abstract: A semiconductor device package includes a semiconductor device, a conductive bump, a first encapsulant and a second encapsulant. The semiconductor device has a first surface, a second surface and a lateral surface. The second surface is opposite to the first surface. The lateral surface extends between the first surface and the second surface. The semiconductor device comprises a conductive pad adjacent to the first surface of the semiconductor device. The conductive bump is electrically connected to the conductive pad. The first encapsulant covers the first surface of the semiconductor device and a first portion of the lateral surface of the semiconductor device, and surrounds the conductive bump. The second encapsulant covers the second surface of the semiconductor device and a second portion of the lateral surface of the semiconductor device.

Abstract: A ceramic circuit board includes a ceramic substrate and metal layers provided to both surfaces of the ceramic substrate and containing Al and/or Cu, wherein a measurement value ?1 of a linear thermal expansion coefficient at 25° C. to 150° C. is 5×10?6 to 9×10?6/K, a ratio ?1/?2 of the ?1 to a theoretical value ?2 of the linear thermal expansion coefficient at 25° C. to 150° C. is 0.7 to 0.95, and at least one of the metal layers forms a metal circuit.

Abstract: A display substrate includes a substrate, a first insulator, a metal film, a second insulator, an alignment film, a line, and film forming area defining recesses. The substrate includes a display area and a non-display area. The metal film is disposed in a layer upper than the first insulator. The second insulator is disposed upper than the metal film and has a thickness smaller than a thickness of the first insulator. The alignment film is disposed upper than the second insulator. The line extends to straddle the display area and the non-display area and includes a section of the metal film. The film forming area defining recesses in the non-display area to extend in a direction crossing an extending direction of the line but not to overlap the line include recessed sections of the first insulator to define a forming area of the alignment film.

Abstract: A semiconductor package structure includes a substrate, a die electrically connected to the substrate, and a first encapsulant. The die has a front surface and a back surface opposite to the front surface. The first encapsulant is disposed between the substrate and the front surface of the die. The first encapsulant contacts the front surface of the die and the substrate.

Abstract: A touch display device and a touch display panel are provided. The touch display panel includes a bend area adjacent to the periphery of the touch display panel, and touch lines disposed in the bend area have zigzag shapes that extend at angles with respect to a bend axis about which the bend area is bent. A first dielectric layer includes a compensation pattern that is located in the bend area and includes an opening that extends in a direction parallel to the bend axis. A second dielectric layer protrudes into the opening of the compensation pattern in a depth direction. During bending of the bend area, this configuration disperses force applied to portions of the touch lines and the dielectric layers in the bend area. This can consequently prevent both cracking due to bending and moisture permeation due to cracks.

Abstract: A first board includes a first insulating substrate including a first main surface, a first electrode pad, and a first resist film. The first electrode pad is a conductor pattern provided on the first main surface. The first resist film is provided on the first main surface and is located closer to the first electrode pad than any conductor provided on the first main surface. The first resist film is spaced away from the first electrode pad with a gap provided between the first resist film and the first electrode pad. The first resist film is thicker than the first electrode pad.

Abstract: A method for manufacturing an electromechanical structure, includes producing conductors and/or graphics on a substantially flat film, attaching electronic elements on the said film in relation to the desired three-dimensional shape of the film, forming the said film housing the electronic elements into a substantially three-dimensional shape, and using the substantially three-dimensional film as an insert in an injection molding process by molding substantially on said film, wherein a preferred layer of material is attached on the surface of the film. A corresponding arrangement for carrying out the method is also presented.

Abstract: A method for manufacturing an electromechanical structure, includes producing conductors and/or graphics on a substantially flat film, attaching electronic elements on the said film in relation to the desired three-dimensional shape of the film, forming the said film housing the electronic elements into a substantially three-dimensional shape, and using the substantially three-dimensional film as an insert in an injection molding process by molding substantially on said film, wherein a preferred layer of material is attached on the surface of the film. A corresponding arrangement for carrying out the method is also presented.

Abstract: The present invention relates, generally, to a component containing a composite of at least two layers that are connected to each other, in which the first layer comprises a hole and the second layer has a thickness in the range of 1 to 50 ?m. The first and second layers each contain at least one metal and compositions of the first and second layers are different. Further objects of the present invention include a method for producing a component containing at least two layers that are connected to each other and have the aforementioned features, a method for producing a component containing at least three layers that are connected to each other and have the aforementioned features, as well as a component that is obtained by one of the aforementioned methods and a device containing at least one of the aforementioned components for use in a living body.

Abstract: Elastic sleeve (1) for electrically insulating a HV/MV power conductor in a power network, comprising a) a shrinkable or expandable elastic sleeve body (10); b) a receiving space (20) in the sleeve body, for receiving the power conductor; c) a cavity (30) formed in the sleeve body; and d) a divider assembly (40), arranged, at least partially, in the cavity and comprising a plurality of discrete impedance elements, operable as a voltage divider for sensing a voltage of an inner conductor of the power conductor.

Abstract: Generally, the present disclosure provides example embodiments relating to a printed circuit board (PCB). In an embodiment, a structure includes a PCB including insulating layers with respective metal layers being disposed therebetween. Each of first layers of the insulating layers includes a first fiberglass content. A second layer of the insulating layers has a second fiberglass content less than the first fiberglass content. For example, in some embodiments, the second insulating layer does not include a fiberglass matrix.

Abstract: A multi-layered circuit board proofed against conductor loss or diminution when heated includes first and second circuit base boards. Each first circuit base board includes a first dielectric layer and a first wiring layer formed thereon and a first stepped paste block as a conductor formed in the first dielectric layer. The first stepped paste block is electrically connected to the first dielectric layer. Each second circuit base board includes a second dielectric layer and a second wiring layer, a second stepped paste block as a conductor is formed in the second dielectric layer. When pressed together for an electrical interconnection, the paste blocks are sealed and thus captive between the first and second circuit base boards.

Abstract: A semiconductor package includes a connection structure including an insulating layer, a wiring layer disposed on the insulating layer, and a connection via penetrating through the insulating layer and connected to the wiring layer. A frame is disposed on the connection structure and has one or more through-holes. A semiconductor chip and passive components are disposed in the one or more through-holes of the frame on the connection structure. A first encapsulant covers at least portions of the passive components and the frame. A frame wiring layer is disposed on the frame, and a location identifying mark is disposed around the semiconductor chip on the frame and is spaced apart from the frame wiring layer. At least a portion of the location identifying mark is not covered by the first encapsulant.

Abstract: A flexible display apparatus can have a flexible substrate including: an active area including a plurality of driving TFTs and a plurality of organic emission elements, and an inactive area including a first inactive area adjacent to the active area, a second inactive area for a circuit board, and a bending area between the first inactive area and the second inactive area; a component disposed on at least a part of the first inactive area; a plurality of wiring lines extending from the plurality of driving TFTs to the first inactive area, the bending area and the second inactive area; and a support layer disposed across the active area, the first inactive area, the bending area, and the second inactive area, in which a portion the support layer includes at least one cut portion overlapping with the bending area of the flexible substrate.

Abstract: A method for manufacturing a chip-mounting substrate includes a pre-coating step of forming a precoat on a substrate including a plurality of conductive portions and an insulating portion interposed between the conductive portions, an etching step of etching at least a portion of the precoat through a laser to form a pattern, and a step of forming a metal layer on the substrate. The pattern is disposed on at least one of the conductive portions, and the metal layer is formed in the pattern.

Abstract: An improved package device simulator for the testing of testing sockets, the package device simulator being formed of a first layer of non-conductive rigid substrate with a second layer formed of a plurality of electrically conductive traces being added thereto. A third layer of non-conductive rigid substrate is adhered to the first layer with the second layer being sealed there between. The third layer having a plurality of openings therein, wherein the openings align with and expose a portion of the electrically conductive traces of the second layer. Conductive binding material and contact balls are added to the openings and the chip is cured thereby fusing the contact balls with the exposed portions of the traces. Next, the exposed surfaces are coated with a hardening conductive material, such as layers of Nickel and/or Gold. In this way an improved package device simulator is formed that is durable, easier to manufacture and less expensive than a solid metallic package device simulator.

Abstract: A semiconductor device package includes a carrier, a first conductive post and a first adhesive layer. The first conductive post is disposed on the carrier. The first conductive post includes a lower surface facing the carrier, an upper surface opposite to the lower surface and a lateral surface extended between the upper surface and the lower surface. The first adhesive layer surrounds a portion of the lateral surface of the first conductive post. The first adhesive layer comprises conductive particles and an adhesive. The first conductive post has a height measured from the upper surface to the lower surface and a width. The height is greater than the width.

Abstract: The present disclosure provides a printed circuit board including a plurality of conductive layers separated by insulating medium and a plurality of connection structures. Each connection structure penetrates each of the conductive layers. The plurality of conductive layers comprises a first conductive layer in which first signal lines are located and a second conductive layer in which second signal lines are located, and the first and second signal lines are connected via the connection structures. Anti-pads surrounding the connection structures are provided on others of the plurality of conductive layers except the first and the second conductive layers. For a same connection structure, the anti-pads surrounding the connection structure include adjacent anti-pads and nonadjacent anti-pads. Size of the adjacent anti-pads in any direction parallel to the conductive layers is smaller than that of the nonadjacent anti-pads. The present disclosure also provides a display apparatus.

Abstract: Embodiments related to electrical connectors including superelastic components are described. The high elastic limit of superelastic materials compared to conventional connector materials may allow for designs which provide reliable connections and high frequency operation. Superelastic components also may enable connector designs with higher densities of connections. In some embodiments, a connector includes one or more superelastic elongated members forming the mating contacts of the connector. The superelastic elongated members deform within one or more conductive receptacles to generate a suitable contact force. The conductive receptacles may include a plurality of protrusions arranged to deflect the superelastic elongated members during mating. A superelastic component may also be provided in a receiving portion of a connector, and may form a portion of a conductive receptacle.

Abstract: A packaging material is provided. The packaging material includes (a) epoxy silsesquioxane, (b) epoxy resin, and (c) siloxane-imide-containing benzoxazine compound. (a) Epoxy silsesquioxane and (b) epoxy resin have a weight ratio of 0.3:1 to 10:1. The total weight of (a) epoxy silsesquioxane and (b) epoxy resin and the weight of (c) siloxane-imide-containing benzoxazine compound have a ratio of 100:20 to 100:150.

Abstract: Ball grid assembly (BGA) bumping solder is formed on the back side of a laminate panel within a patterned temporary resist. Processes such as singulation and flip chip module assembly are conducted following BGA bumping with the temporary resist in place. The resist is removed from the back side of the singulated laminate panel prior to card assembly. Stand-off elements having relatively high melting points can be incorporated on the BGA side of the laminate panel to ensure a minimum assembly solder collapse height. Alignment assemblies are formed on the socket-facing side of an LGA module using elements having relatively high melting points and injected solder.

Abstract: An example substrate includes a surface, a plurality of thin film layers disposed on the surface, and a conductive layer disposed on the surface. The conductive layer includes a bending structure. The bending structure includes a wavy edge and includes a plurality of openings, where a shape of at least one opening of the plurality of openings has a contour having a first curved portion, and a curvature of a portion of the wavy edge is different from a curvature of the first curved portion.

Abstract: A touch substrate, a method for forming the same and a touch display device are provided. The touch substrate includes: a primary touch region, a secondary touch region, a peripheral region, primary touch electrodes at the primary touch region, secondary touch electrodes at the secondary touch region, a plurality of bonding terminals, a plurality of primary touch signal channels and a plurality of secondary touch signal channels configured to transmit touch signals to the secondary touch electrodes at the peripheral region, where each bonding terminal is coupled to a corresponding primary touch electrode via a signal transmission line, and configured to provide the primary touch signal channel to transmit the touch signal to the corresponding primary touch electrode, where at least a part of the primary touch signal channels is reused as the secondary touch signal channels.

Abstract: A circuit board assembly of an information handling system has stepped diameter vias that carry communication signals through printed circuit board (PCB) substrates. Each stepped diameter via has a first barrel portion of a first diameter that is drilled through a first portion of the PCB substrates and that is at least lined with a conductive material to electrically conduct a selected one of: (i) a direct current and (ii) a communication signal from an outer layer to an internal layer of the more than one PCB substrate. Each stepped diameter via further includes a second barrel portion that extends from the first barrel portion deeper into the PCB substrates. The second barrel portion has a second diameter that is less than the first diameter and the smaller second diameter improves signal integrity (SI).

Abstract: A method for manufacturing a double-sided, single conductor laminate includes providing a laminated substrate that includes a conductive layer, an adhesive layer and a support layer; dry milling a trace pattern in the laminated substrate by removing selected areas of the conductive layer and the adhesive layer; and attaching a first cover layer using a first adhesive layer to the conductive layer. The first cover layer includes one or more precut access holes that align with one or more traces of the trace pattern.