Abstract:
Es wird eine elektrische Schaltungsanordnung angegeben, die aus einem aus einem temperaturbeständigen Kunststoff hergestellten Trägerelement (31), einer damit verbundenen Leiterbahnanordnung (1) und elektrischen Bauelementen besteht. Diese Schaltungsanordnung kann bei hohen Temperaturen eingesetzt werden.
Abstract:
An electronic device (10) which includes a circuit sheet (12) having a conductive path (14) thereon. An adhesive (18) is deposited on the conductive path (14), the adhesive (18) including a nonconductive base incorporating randomly spaced conducive particles (22). A circuit component (20) is forced through the adhesive (18), the conductive path (14) and the circuit sheet (12) carrying a portion of the adhesive (18) therewith between the circuit component (20) and the conductive path (14). The carried portion (30) of the adhesive (18) is compressed for establishing contact between the conductive particles (22) and thereby conductivity between the circuit component (20) and the conductive path (14) leaving the adhesive (18) other than that portion in a nonconductive state.
Abstract:
Es soll eine einfache automatisierbare und wärmestabile Halbleiterkontaktierung für lineare und flächige SMD-Bauteile, insbesondere LED-Anordnungen verwirklicht werden. Hierzu werden auf eine mit Leiterbahnen beschichtete Trägerfolie SMD-Bauteile aufgesetzt, wobei die Leiterbahnen zur einfacheren Kontaktierung durch Aufschmelzen entweder ganz oder teilweise aus lötbarem Material bestehen.
Abstract:
A circuit board is prepared such that at least two resin substrates (30,31,32) are laminated and bonded bythermocom- pression, a circuit pattern (301, 303, 311-315, 321-325) made of a resin composition containing a conductor material is formed on at least one of opposing surfaces of the substrates (30, 31, 32), a region of the substrate which corresponds to a specific portion of the circuit pattern (301, 303, 311-315, 321-325) is recessed, the specific portion of the circuit projects into the recess (302, 322) in accordance with plastic deformation of the substrates (30, 31, 32) and the circuit pattern (301, 303, 311-315, 321-325) which is caused by thermocompression bonding, and the specific portion of the circuit pattern (301, 303, 311-315, 321-325) constitutes an exposed portion. Multilayer or three-dimensional wiring can be easily achieved in the circuit board.
Abstract:
Electrical circuitry (32) is comprised of a plurality of layers (30, 100) each layer (30, 100) including one or more electrical pathways (36, 38) each layer (30, 100) also including insulation (34) for insulating at least part of one layer (30) from another layer (100). The pathways (36, 38) comprise repeating patterns (40, 42). Each pathway (36, 38) of each layer (30, 100) can communicate with the pathways (36, 38) of the next adjacent layers (30, 100). Some portions of the patterns (40, 42) which comprise the pathways (36, 38) of each layer (30, 100) can be at least partially aligned with some portion of the patterns (40, 42) of pathways (36, 38) of the other layers (30, 100). Other portions of the pathways (36, 38) of the layers (30, 100) remain unaligned. A pulse laser (134) can be used to sever unaligned portions of the pathways (36, 38) as appropriate to create the desired electrical circuitry (32). Components can be secured to the electrical circuitry as required. Further, such circuitry can be used in the construction of the final metallization layers of chips such as gate arrays.
Abstract:
A circuit board is prepared such that at least two resin substrates (30,31,32) are laminated and bonded bythermocom- pression, a circuit pattern (301, 303, 311-315, 321-325) made of a resin composition containing a conductor material is formed on at least one of opposing surfaces of the substrates (30, 31, 32), a region of the substrate which corresponds to a specific portion of the circuit pattern (301, 303, 311-315, 321-325) is recessed, the specific portion of the circuit projects into the recess (302, 322) in accordance with plastic deformation of the substrates (30, 31, 32) and the circuit pattern (301, 303, 311-315, 321-325) which is caused by thermocompression bonding, and the specific portion of the circuit pattern (301, 303, 311-315, 321-325) constitutes an exposed portion. Multilayer or three-dimensional wiring can be easily achieved in the circuit board.
Abstract:
Bei einer flexiblen gedruckten Schaltung (1, 2) sind an für Durchkontaktierungen vorgesehenen Stellen Löcher gestanzt. Dabei ist das metallkaschierte Kernmaterial der Löcher nicht vollständig abgetrennt und jeweils in Form eines Lappens (7) zur Lötseite hin ausgebogen. Der Lappen (7) ist blank und dort beispielsweise mit einem Lötstift (8) verlötet. Bei mehreren übereinanderliegenden Leiterfolien müssen die Lappen entsprechend ihrer Anzahl allmählich kleiner werden, damit sie durch Durchbrüche der jeweils dahinterliegenden Leiterfolien hindurchgeführt werden können.