Abstract:
A multilayer circuit board for mounting ICs so constituted that IC bare chips can be mounted directly on the multilayer circuit board comprising a flexible circuit board and a manufacturing method thereof. Hole parts for connecting electrically ICs with a desired conductive layer of the multilayer circuit board are formed in required positions of the circuit board and conductive bump members protruding from the circuit board are formed with a means for plating the hole parts or with a means for filling the holes with a conductive material. The pads of the IC bare chips can be electrically connected with the desired conductive layer of the circuit board through these conductive bump members reliably. Thus, the IC bare chips can be easily and quickly mounted through the bump members on the multilayer circuit board by a heat or ultrasonic bonding method or by means of a laser beam, infrared rays or the like.
Abstract:
A unique housing (104 and 600) of a portable radio transceiver (100) that takes advantage of the heat sinking, electrical shielding and structural characteristics of a battery. The unique electronic circuitry housing (104 and 600) includes a battery as an integral structural element thereof. In one illustrated housing (104), a stick battery (210) is attached to the side of a transmitter printed circuit panel (213). A logic printed circuit panel (212) and a receiver printed circuit panel (214) are positioned above and below the transmitter printed circuit panel (213), respectively, and are held together by interlocking side rails (206, 207). In a second illustrated housing (600), a flat battery (602) is attached to the sides of a first U-shaped printed circuit panel (604). A second U-shaped printed circuit panel (606) is positioned between the battery and the first panel (604). Heat dissipated by the electrical components on the second panel (606) is conducted away by the flat battery (602). The electronic circuitry housing of the present invention may be advantageously utilized in a variety of applications where electronic circuitry is operated from a battery.
Abstract:
The present invention relates generally to electric circuit testing, building, or implementing using a breadboard style PCB. Aspects of the present invention include eliminating the need to use hookup wires when building and testing electric circuits on PCBs. In embodiments, a PCB system having rows and columns of signal tie points connected in a breadboard layout and using an embedded wire and a solder bridge to form partial connections between signal tie points. In embodiments, the embedded wire and solder bridge is capable of connecting a column of signal tie points. In embodiments, the embedded wire and solder bridge is capable of connecting a power rail to a signal tie point. Thus, a circuit can be implemented and tested by applying a small amount of solder to the solder bridge without the need for hookup wires.
Abstract:
A combination underfill-dam and electrical-interconnect structure for an opto-electronic engine. The structure includes a first plurality of electrical-interconnect solder bodies. The first plurality of electrical-interconnect solder bodies includes a plurality of electrical interconnects. The first plurality of electrical-interconnect solder bodies, is disposed to inhibit intrusion of underfill material into an optical pathway of an opto-electronic component for the opto-electronic engine. A system and an opto-electronic engine that include the combination underfill-dam and electrical interconnect structure are also provided.
Abstract:
Zum Erzeugen einer stoff schlüssigen metallischen Verbindung zwischen einer Anschlussfläche (8) einer auf einem kartenförmigen Substrat (2) angeordneten Antenne (3) und einer Kontaktfläche (5) eines Elektronikbausteins (4) wird eine Mehrschichtkontaktfolie (10) angrenzend an die Anschlussfläche (8) der Antenne (3) angeordnet. Bei der Mehrschichtkontaktfolie (10) handelt es sich um eine Kontaktfolie, die zumindest aus mehreren weniger als einen Mikrometer dicken aneinander angrenzenden Schichten aus miteinander exotherm reagierenden Materialien hergestellt ist, insbesondere um eine so genannte "Nanofolie". Nach dem Anordnen der Mehrschichtkontaktfolie (10) wird durch "Zünden" der Mehrschichtkontaktfolie die exotherme Reaktion in der Mehrschichtkontaktfolie (10) ausgelöst und so die stoffschlüssige metallische Verbindung erzeugt.
Abstract:
The present invention relates to a composite assembly of plastic (1, 3) and metal films (2.1, 2.2) which can be used for the interconnection and connection of light-emitting diodes (LEDs) (5). For this purpose, a flexible printed circuit board is provided, to which at least one radiation source is applied and which consists of a film system. The flexible printed circuit board has a thermal connection (6) to a heat sink (4) and the film system is composed at least of an insulating carrier layer and a metal film. The insulating carrier layer is opened at the locations at which the thermal connection to the heat sink is produced, and the metal film is subdivided into different sections.
Abstract:
The present invention relates to a method for manufacturing large lighting which uses a power LED, such as for large LED lighting for street lamps, which incorporates a heat dissipation device that has the ability to dissipate heat with natural convection to maintain ambient temperature. The disclosed method is novel applied technology for producing a large LED lighting, such as for street lamps, which has a power LED device with a unique, rear heat dissipation capability. In addition to maximum thermal efficiency by heat dissipation, the present LED lighting system also increases luminous efficiency by providing high light emission with only a small quantity of LED power.,