Abstract:
The present invention relates to a selectively conductive toy building element, comprising: a body adapted for releasable engagement to at least one other toy building element body or to a corresponding baseplate, the body including at least one conductive portion having at least one contact area adapted to generate pressure on a conductive portion or contact area of an adjacent toy building element body, in such a way that ensures electrical conduction between said toy building elements in a desired location and direction.
Abstract:
In an example embodiment, a circuit interconnect includes a first printed circuit board (PCB), a second PCB, a spacer, and an electrically conductive solder joint. The first PCB includes a first electrically conductive pad. The second PCB includes a second electrically conductive pad. The spacer is configured to position the first PCB relative to the second PCB such that a space remains between the first PCB and the second PCB after the first electrically conductive pad and the second electrically conductive pad are conductively connected in a soldering process. The electrically conductive solder joint conductively connects the first electrically conductive pad and the second electrically conductive pad.
Abstract:
A method of manufacturing a multi-layer printed circuit board by bonding together a plurality of circuit board layers (10) each of which includes a substrate (14) and a conductive circuit pattern (16) on at least one surface of the substrate (14), the method comprising the steps of: - coating the surface of the substrate (14) with a continuous layer of conductive material (16'), - masking the layer with a resist (26), - etching away a part of the conductive material so as to obtain the circuit pattern (16) with conductive parts (18) separated by gaps (20), and - filling the gaps (20) with an electrically insulating adhesive material (28) to a level that is at least equal to the thickness of the layer of conductive material, characterized in that the resist (26) is left on the conductive parts (18) and the adhesive material (28) is selected to be chemically compatible with the resist (26).
Abstract:
A package apparatus comprises a first conductive wiring layer, a first conductive pillar layer, a dielectric material layer, a second conductive wiring layer, a second conductive pillar layer, and a first molding compound layer. The first conductive wiring layer has a first surface and a second surface opposite to the first surface. The first conductive pillar layer is disposed on the first surface of the first conductive wiring layer, wherein the first conductive wiring layer and the first conductive pillar layer are disposed inside the dielectric material layer. The second conductive wiring layer is disposed on the first conductive pillar layer and the dielectric material layer. The second conductive pillar layer is disposed on the second conductive wiring layer, wherein the second conductive wiring layer and the second conductive pillar layer are disposed inside the first molding compound layer.
Abstract:
A test board (115;115') is proposed for testing electronic devices (105;105'), each one of them having a plurality of terminals (220;220') for electrically contacting the electronic device. The test board includes a support substrate (205;205'). A set of banks of electrically conductive receptacles (210;210') are arranged on the substrate each one for resting a corresponding electronic device; each receptacle (250,255;250',255') is adapted to receive a terminal of the corresponding electronic device. Locking means (225) are further arranged on the substrate for mechanically locking the electronic devices on the test board. The test board further includes assembly means (230-245) for mounting the locking means on the substrate independently of the receptacles.