Elastomeric connectors, also known by the registered trademark ZEBRA connectors, consist of alternating conductive and insulating regions in a rubber or elastomer matrix to produce overall anisotropic conductive properties. The original version consisted of alternating conductive and insulating layers of silicone rubber, cut crosswise to expose the thin layers. They provide high-density redundant electrical paths for high reliability connections. One of the first applications was connecting thin and fragile glass liquid crystal displays (LCDs) to circuit boards in electronic devices, as little current was required.
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| - Leitgummi (de)
- Elastomeric connector (en)
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| - Leitgummi ist ein populärer Begriff für elektrisch leitfähige Elastomere. Deren spezifischer elektrischer Widerstand beträgt typischerweise weniger als 1000 . In der Elektronik versteht man darunter auch anisotrope elastische elektrische , die abwechselnd aus dünnen, elektrisch leitfähigen Kanälen und isolierenden Zwischenlagen bestehen. Sie sind auch als Zebragummi bekannt. Leitgummi wird entweder anstelle federnder elektrischer Mehrfach-Kontakte, als Schaltkontakt oder zur Verhinderung der elektrostatischen Aufladung eingesetzt. (de)
- Elastomeric connectors, also known by the registered trademark ZEBRA connectors, consist of alternating conductive and insulating regions in a rubber or elastomer matrix to produce overall anisotropic conductive properties. The original version consisted of alternating conductive and insulating layers of silicone rubber, cut crosswise to expose the thin layers. They provide high-density redundant electrical paths for high reliability connections. One of the first applications was connecting thin and fragile glass liquid crystal displays (LCDs) to circuit boards in electronic devices, as little current was required. (en)
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| - Elastomeric connectors, also known by the registered trademark ZEBRA connectors, consist of alternating conductive and insulating regions in a rubber or elastomer matrix to produce overall anisotropic conductive properties. The original version consisted of alternating conductive and insulating layers of silicone rubber, cut crosswise to expose the thin layers. They provide high-density redundant electrical paths for high reliability connections. One of the first applications was connecting thin and fragile glass liquid crystal displays (LCDs) to circuit boards in electronic devices, as little current was required. Because of their flexibility, they excel in shock and anti-vibration applications. They can create a gasket-like seal for harsh environments. Conductor material possibilities include carbon, silver, and gold. The length, width and height may be specified as well as the stripe pitch. Frequently a recess with ribs is specified that captures and provides the elastomer reference surface for alignment (while allowing the lateral dimension of the elastomer to increase as it is compressed) with a deflection stop to control the final part separation, and alignment pins for substrate alignment. Elastomeric connectors are widely used, from low cost consumer products such as calculators to high reliability flight data recorders. They are used in two ways:
* spacing of rubber conductive strips equals PCB conductor spacing, with the connector precisely aligned;
* spacing of rubber conductive strips less than half the PCB conductor spacing, without precise alignment. A "matrix" version consists of short, fine, metallic wires, 300 to 2,000 per square centimeter, aligned parallel but not touching each other, embedded in a rubber sheet. The wires can either protrude slightly from the top and bottom of the rubber sheet, or be curved and flush with the top and bottom planes; the latter is used for repeated assembly or inspection. (en)
- Leitgummi ist ein populärer Begriff für elektrisch leitfähige Elastomere. Deren spezifischer elektrischer Widerstand beträgt typischerweise weniger als 1000 . In der Elektronik versteht man darunter auch anisotrope elastische elektrische , die abwechselnd aus dünnen, elektrisch leitfähigen Kanälen und isolierenden Zwischenlagen bestehen. Sie sind auch als Zebragummi bekannt. Die elektrische Leitfähigkeit von Leitgummi ist beträchtlich geringer als die von Metallen und höher als die der als Halbleiter geführten Elastomere. Die geringe Leitfähigkeit spielt bei den geringen Strömen typischer Anwendungen (zum Beispiel Kontaktierung von Flüssigkristallanzeigen, Ableitung elektrostatischer Aufladungen, Signaltasten) keine Rolle. Leitgummi wird entweder anstelle federnder elektrischer Mehrfach-Kontakte, als Schaltkontakt oder zur Verhinderung der elektrostatischen Aufladung eingesetzt. (de)
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