Electrical apparatus having tin whisker sensing and prevention

An electrical apparatus that includes: an electronic substrate having a plurality of pads for connecting to an electronic component placed on the electronic substrate; a shield placed on a surface of the electronic substrate, the shield having a plurality of openings with the plurality of openings a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Tofil, Timothy J, Doyle, Matthew, Judd, Jeffrey N, Jeanson, Mark J, Newshutz, Henry M, Kelly, Matthew S
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PRINTED CIRCUITS TESTING
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Beschreibung
Zusammenfassung:	An electrical apparatus that includes: an electronic substrate having a plurality of pads for connecting to an electronic component placed on the electronic substrate; a shield placed on a surface of the electronic substrate, the shield having a plurality of openings with the plurality of openings aligned over the plurality of pads and at least a portion of each of the plurality of openings being conductive; connection means to connect the conductive portions of each of the plurality of openings to a fault detect and error handling circuit; and the fault detect and error handling circuit to detect a short circuit between at least one of the conductive portions and the pad aligned with the opening containing the at least one of the conductive portions.