Abstract:
A wiring circuit board and a method of producing the same are provided in which a desired pattern of wiring is provided at higher density while permitting no overflow from the grooves of an electroless plating catalyst containing solution and an electric conductor forming liquid such as silver ink. The pattern of electric conductor is deposited by applying the electric conductor forming liquid into the grooves provided in a substrate and distributing the same along the grooves with the action of capillarity. The method starts with patterning the grooves in the surface of the substrate (S1), applying the electric conductor forming liquid into the grooves (S2), and coating the surface of the substrate with a layer of repellent liquid which is lower in the affinity with the electric conductor forming liquid (S3). This is followed by cleaning at least the grooves (S4) and then filling the grooves with the electric conductor forming liquid once again (S5). The electric conductor forming liquid applied into the grooves is then distributed throughout the grooves by the action of capillarity. When silver ink is used, the pattern of electric conductor is produced by repeating an action of applying and drying a number of times. Alternatively, the patter of electric conductor can be produced by an electroless plating technique or a combination of an electroless plating technique and an electro-plating technique for separating an electrical conductive material form the electric conductor forming liquid.
Abstract:
Die Erfindung betrifft ein Verfahren zum Herstellen einer elektrischen Verbindung zwischen einem Kabel (1) mit einem oder einer Vielzahl von elektrischen Leitern (1.1) und einer Schaltung (2) auf einem dreidimensionalen, insbesondere spritzgegossenen Schaltungsträger (3), umfassend die folgenden Schritte: - auf dem Schaltungsträger (3) wird ein Kontaktelement (4) ausgebildet, welches eine erhabene, metallisierte Oberfläche (4.1) aufweist, die mit der Schaltung (3) elektrisch verbunden ist; - in dem Kabel (1) wird eine Aussparung (5) in Form eines Durchgangsloches vorgesehen, wobei - die Aussparung (5) derart in das Kabel (1) eingebracht wird, dass sie wenigstens einen Leiter (1.1) in dem Kabel (1) vollständig durchdringt und dadurch eine leitende Oberfläche des Leiters (1.1) freilegt; - das Kabel (1) wird derart mit seiner Aussparung auf das Kontaktelement (4) geschoben, dass die freigelegte leitende Oberfläche des Leiters in einen elektrisch leitenden Kontakt mit der metallisierten Oberfläche (4.1) des Kontaktelementes (4) gelangt.
Des weiteren betrifft die vorliegende Erfindung eine Baugruppe aus einem dreidimensionalen Schaltungsträger und einem Kabel mit einer entsprechenden elektrisch leitenden Verbindung zwischen den Bauteilen.
Abstract:
The invention relates to a multilayer body (11, 12) comprising a replicating varnish layer (22). A first relief structure (25, 125, 65) is moulded into said replicating varnish layer (22) on a plane defined by coordinate axes x and y in the first area of the multilayer body and an electroconductive constant surface-density coating (23I, 23n, 123n) is applied to the replicating varnish layer (22) in the first area of the multilayer body (11, 12) and in the second adjacent area thereof. The first relief structure (25, 125, 65) is embodied in such a way that different structural elements thereof have a high depth/width ratio, in particular >2. At least one perpendicular or near-to-perpendicular flank extends along the entire or near-to-entire depth of the relief structure, thereby reducing or removing the coating electrocunductivity.
Abstract:
A circuit board with a simple structure is manufactured. A circuit board 19 has thereon a foil circuit 21 provided on a synthetic resin plate 20 formed by injection molding, made of a copper foil, and having a pattern different for circuit board 19. Anchor pins 20a projecting upward are provided on the resin plate 20 and passed through pinholes made in the foil circuit 21. The foil circuit 21 are positioned and secured to the resin plate 20. In a required portion of the resin plate 20, a terminal insertion hole 20c is provided, and receiving terminal 22 is secured to the required portion of the terminal insertion hole 20c and connected to the foil circuit 21.
Abstract:
An object of the present invention is to prevent the damage of molding pins in an injection-molding die and to provide a secure deposit, thereby reducing circuit pitches to the limit. Pre-determined circuit patterns (3) of a conductive material are formed on both sides of a circuit board (2). A through hole (5) is formed on the circuit board (2) to carry electricity between the circuit patterns (3) on the both sides thereof. The inner shape of the through hole is narrow in a direction between the adjacent circuit patterns (3) and wide in a circuit extending direction.
Abstract:
The present invention relates to a nonwoven substrate, and specifically to a nonwoven substrate imparted with a three-dimensional image, wherein the three-dimensional nonwoven substrate is particularly suited as a support substrate for a PCB (printed Circuit Board) and similar application. The nonwoven substrate is formed from a precursor web (P) which undergoes entangling treatment by entangling manifolds (16, 20, 24'). By the utilization of a hydroentangled, three-dimensionally imaged support substrate impregnated with a durable resinous matrix, PCB's, and similar applications, can be imparted with unique and useful performance properties, to improve structural performance.
Abstract:
A substrate is patterned by forming an indent region 8 in the surface 10 of a substrate 4 and depositing a liquid material onto the surface 10 at selected locations adjacent to the indent region 8. The liquid material spreads over the surface to an edge of the indent region, at which point further spreading is controlled by the effective enhancement of the contact angle of the liquid material relative to the surface as provided by the indent region.
Abstract:
A thin flexible electric conductor for use in implantable devices such as cochlear implants, consists of a conductive metal layer coated on a flexible three dimensionally textured surface so that the current capacity of the conductor is increased relative to the current capacity of a conductor of the same size that is not on a three dimensional surface. The flexible substrate is treated to form a three dimensional surface such as with corrugations and a conductive layer is deposited onto the surface.
Abstract:
The present invention relates to a nonwoven substrate, and specifically to a nonwoven substrate imparted with a three-dimensional image, wherein the three-dimensional nonwoven substrate is particularly suited as a support substrate for a PCB (printed Circuit Board) and similar application. The nonwoven substrate is formed from a precursor web (P) which undergoes entangling treatment by entangling manifolds (16, 20, 24'). By the utilization of a hydroentangled, three-dimensionally imaged support substrate impregnated with a durable resinous matrix, PCB's, and similar applications, can be imparted with unique and useful performance properties, to improve structural performance.