Abstract:
Elektrisches Gerät mit einer eine Anschlussstelle für einen elektrischen Anschlussleiter aufweisenden Leiterbahn und Ver- fahren zum Verbinden eines elektrischen Anschlussleiters mit einem solchen elektrischen Gerät. Bei einem elektrischen Gerät (2) wird eine Anschlussstelle (8) für einen elektrischen Anschlussleiter (6) durch einen in die Leiterbahn (4) eingebrachten Durchzug (10) gebildet, in den er Anschlussleiter (6) eingeführt und mit diesem verschweißt wird.
Abstract:
A method of selectively and electrolessly depositing a metal onto a substrate having a metallic microstructured surface is disclosed. The method includes forming a self-assembled monolayer on the metallic microstructured surface, exposing the self-assembled monolayer to an electroless plating solution including a soluble form of a deposit metal, and depositing electrolessly the deposit metal selectively on the metallic microstructured surface. Articles formed from this method are also disclosed.
Abstract:
The invention relates to a printed circuit board assembly (1) comprising a printed circuit board (2) that supports an electric or electronic component (5, 6), a cooling plate (3), which is connected to the printed circuit board (2) in order to dissipate heat from the component (5, 6), in addition to a coupling element (4), which thermally couples the component (5, 6) to the cooling plate (3) and is provided in a passage (11) of the printed circuit board (2). The printed circuit board (2) is mechanically coupled to the cooling plate (3) by means of the coupling element (4), in particular in the manner of a riveted connection.
Abstract:
An arrangement of a printed circuit board (12) on a supporting component (14), particularly on a component of a throttle valve actuator, in which a printed circuit board section (26) is conductively connected to a supporting component section (28) via an electrical connection, and at least one positioning opening (18) is formed on the printed circuit board (12) and is placed on a positioning pin (16) on the supporting component (14). The inventive arrangement is characterized in that the positioning pin (16) is inserted inside the positioning opening (18) so that, due to a plastic deformation of at least one of these elements, both a fixing of the printed circuit board (12) to the supporting component (14) as well as the electrical connection between the printed circuit board section (26) and the supporting component section (28) are established.
Abstract:
Eine Leiterplattenanordnung (1) umfasst eine Leiterplatte (2) zum Tragen eines elektrischen oder elektronischen Bauelementes (5, 6), ein zur Ableitung von Wärme aus dem Bauelement (5, 6) vorgesehenes, mit der Leiterplatte (2) verbundenes Kühlblech (3) , sowie ein zur thermischen Kopplung des Bau- elementes (5, 6) an das Kühlblech (3) vorgesehenes, in einer Durchgangsbohrung (11) der Leiterplatte (2) angeordnetes Kopplungselement (4). Die Leiterplatte (2) ist mit dem Kühlblech (3) mittels des Kopplungselementes (4) mechanisch, insbesondere in der Art einer Nietverbindung, verbunden.
Abstract:
The invention relates to a method for creating a link in an integrated metal substrate comprising a first metallic layer (300) and a second metallic layer (100) which are separated by an insulating layer (200), comprising a stage in which a portion (22) of the first metallic layer (300) and a corresponding portion of the insulating layer (23) are cut out and said portions are inserted into the second metallic layer (100).
Abstract:
A semiconductor device in which a semiconductor chip (3) is mounted on a substrate (2), comprising a substrate having electrodes (7, 8) for substrate−to−substrate connection disposed on both sides of the substrate and connected via a through hole (9), a semiconductor chip having an electrode connected to a wiring pattern arranged on the substrate and having a flat−cut face opposite to the face where the electrode is provided, a bump (4) for substrate−to−substrate connection provided on the electrode for substrate−to−substrate connection and having a flat−cut face opposite to the face facing the substrate, a sealing resin body (5) provided on the substrate, used for sealing the semiconductor chip and the bump for substrate−to−substrate, and having a flat−cut face opposite to the face facing the substrate, wherein the flat−cut face (3a) of the semiconductor chip, the flat−cut face (4a) of the bump for substrate−to−substrate, and the flat−cut face (5a) of the sealing resin body are flush with one another, and the semiconductor chip and the bump for disk recording medium except for the flat−cut faces are sealed in the sealing body.
Abstract:
Die Erfindung betrifft ein Verfahren zur Herstellung eines Kontaktsubstrats (10) sowie ein Kontaktsubstrat mit Durchkontaktierungen zwischen einer auf einer Oberseite eines dielektrischen Trägersubstrats (12) angeordneten Anschlussleiteranordnung (21) und einer Unterseite des Trägersubstrats, wobei sich die Anschlussleiteranordnung längs eines Öffnungsrands (22) einer Substratausnehmung (15) erstreckt und das Trägersubstrat (12) sich mit seiner Unterseite (11) an einem Gegenhalter (23) abstützt, wobei ein Lotmaterialformstück (24) in die Substratausnehmung (15) eingebracht wird und in einem nachfolgenden Verfahrensschritt innerhalb der Substratausnehmung eine Verformung des Lotmaterialformstücks zu einem Kontaktformstück (50) erfolgt, derart, dass durch eine radiale Verdrängung des Materials des Lotmaterialformstücks in der Substratausnehmung eine kraftschlüssige Verbindung zwischen einer Laibungsfläche (28) der Substratausnehmung und der Anschlussleiteranordnung (21) erfolgt, und das Kontaktformstück eine Durchkontaktierung zwischen der Anschlussleiteranordnung (21) und der Unterseite (11) des Trägersubstrat bildet.
Abstract:
The invention relates to an electric heating system for motor vehicles with the following characteristics: the heating system has one or several electric heating elements (3); a control circuit is provided for controlling the power generated by the heating elements (3); the control circuit comprises one or several power semiconductors (5), which are arranged on a control circuit supporting plate (6); the control circuit supporting plate (6) is connected by the side facing away from the power semiconductors (5), (hereafter referred to as the underside), to a metal plate (7) by means of a material connection, said metal plate lying on ground potential; the metal plate (7) is electrically insulated from conductor strips, which are located on the underside of the circuit supporting plate (6) and in relation to the ground potential are provided for conducting a voltage; the control circuit is located in a housing (8); one or several cooling bodies (4a) are provided outside the housing (8); thermally conductive connectors (2) connect the metal plate (7) inside the housing (8) to the cooling bodies (4a) outside the housing (8).
Abstract:
A thermocurable electroconductive adhesive sheet which is able to make an electric connection having mechanical, thermal and electric stability, and low resistance, produced by a simple and easy process is provided.