Field device incorporating circuit card assembly as environmental and EMI/RFI shield

A field hardened industrial device (200) is described with a housing (208) of the device having electrically conductive walls surrounding a cavity (206) with an open end. An electronics assembly (292) is adapted to fit within the cavity. The device includes a circuit card assembly (270), which is a...

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Bibliographische Detailangaben
1. Verfasser:	ORTH KELLY M.,MCGUIRE CHAD M
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	A field hardened industrial device (200) is described with a housing (208) of the device having electrically conductive walls surrounding a cavity (206) with an open end. An electronics assembly (292) is adapted to fit within the cavity. The device includes a circuit card assembly (270), which is a multi-layered printed wiring board with pass-through electrical connections and an embedded ground plane (350) electrically coupled to the housing (202) to shield the electronics assembly (292) from electromagnetic interference and to provide environmental protection to the electronics assembly.