Abstract:
The radiation noise suppression effect is enhanced by providing an insulation layer which is formed so that the circuit pattern is covered excepting at least a part of power source pattern or ground pattern on the substrate on which circuit pattern is formed, and a conductive layer which is formed so as to be connected to the uninsulated part of the power source pattern or the ground pattern on the insulation layer, by modifying pattern shape of the conductive layer and the insulation layer or by increasing or reducing the number of these layers.
Abstract:
Die Erfindung betrifft ein Aufbausystem für Geräte der elektrischen Nachrichtentechnik, wobei Steckbaugruppen (G16) in Magazine (M1 bis M3) untergebracht sind und Steckverbinder (S1, S2) tragen. Es sind Rückwandleiterplatten (L1, L2) vorgesehen, welche Gegensteckverbinder (B1 bis B32) tragen und in die die Steckverbinder (S1, S2) eingreifen. Eine Rückwandleiterplatte (L1 bzw. L2) ist nicht wie bei konventionellen Aufbausystemen einem bestimmten Magazin zugeordnet, sondern sie erstreckt sich über die zwei benachbarten Bereiche zweier benachbarter Magazine und trägt die elektrischen Verbindungen zwischen diesen zwei benachbarten Magazinen. Die Ein- und Ausgänge der Steckbaugruppen sind dementsprechend auf den Steckverbindern S1 und S2 herausgeführt. Das erfindungsgemäße Aufbausystem ist besonders gut zurr. Aufbau von solchen Geraten geeignet, bei denen zwischen zwei Magazinen sehr viele Verbindungen mit eng tolerierten elektrischen Eigenschaften herzustellen sind. Eine mögliche Anwendung ist der Aufbau von Koppelfeldern für Digitalsignale mit einer Bitrate von 140 MBit/s in Breibandkommunikationssysteme.
Abstract:
The present disclosure concerns a flexible electronic circuit (100) and method of manufacturing. A flexible substrate (30) with conductive tracks is provided with a rigid electronic component (10). The component (10) comprises electrical contacts (11,12) on either sides. The conductive tracks connect to the contacts via an arced section that originates from respective sides of the contacts but swirls partially around the component to approaches the component along a centerline (CL) separating the contacts (11,12).
Abstract:
The invention relates to an actuator, in particular intended for being integrated in a valve (10) for a motor vehicle engine, including: an electric motor (18) suitable for moving an element, in particular a member (16) for fluid control of the valve; a filtering component arranged so as to reduce the parasitic electromagnetic emissions generated by the electric motor; and a printed circuit board (26) supporting the filtering component, the filtering component including an inductor suitable for reducing the parasitic electromagnetic emissions generated by the electric motor.
Abstract:
The present invention pertains to: a base material (10) for forming an electroconductive pattern, adapted to form an electroconductive pattern and obtain a circuit board; the circuit board obtained therefrom; and a method for producing each. The base material (10) for forming an electroconductive pattern, adapted to obtain a circuit board, includes a supporter (12), and a holding region (14) for holding a fluid body (40) for obtaining an electroconductive pattern, the holding region being formed atop one end surface of the supporter (12) and exhibiting a proper wettability for the fluid body (40). The holding region (14) has at least a first linear group (18) comprising a plurality of first lines (16) extending in parallel with each other along a first direction, and a second linear group (22) comprising a plurality of second lines (20) extending in parallel with each other along a second direction, and a grid shape is formed by the first linear group (18) and second linear group (22) .
Abstract:
A wiring pattern is disclosed including: a variable wettability layer including a material whose critical surface tension changes in response to energy provided thereto, the wettability changing layer including a high surface energy part exhibiting a high critical surface tension and a low surface energy part exhibiting low critical surface tension; and a conductive pattern layer formed on the variable wettability layer at the high surface energy part. The conductive pattern layer has an elongated shape with a chamfered corner part in a plan view.
Abstract:
In high-speed semiconductor packaging, differential pair transmission lines 605 are used to receive incoming signals carried using differential signaling. Common mode noise can decrease the frequency at which these signals are clocked. The use of slots 620 formed in the ground (or power plane) 609 of the substrate and lying perpendicularly (and equally spaced) underneath the differential pair 605 improves the common mode rejection of the differential pair 605 by increasing the common mode impedance without affecting the differential mode impedance. The use of slots 620 does not require modifications to the packaging, and only minor modifications to the substrate.