Ultra-small resistor-capacitor thin film network for inverted mounting to a surface

A very small electronic device (10) adapted for inverted mounting to a circuit board includes a multiplicity of capacitors and resistors built on a substrate. The capacitors and resistors are interconnected so as to provide multiple RC circuits in various circuit arrangements. The multiple layers of...

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Bibliographische Detailangaben
Hauptverfasser:	ROBERT M KENNEY, ROBERT P HEISTAND III, DONGHANG LIU, GHEORGHE KORONY, JEFFREY P MEVISSEN
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE 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 very small electronic device (10) adapted for inverted mounting to a circuit board includes a multiplicity of capacitors and resistors built on a substrate. The capacitors and resistors are interconnected so as to provide multiple RC circuits in various circuit arrangements. The multiple layers of the device are covered by an encapsulate having openings to expose terminal pads of the RC circuits. The openings are filled with solder to produce the individual terminations (12 and 14) of the device in a ball grid array (BGA). The device saves cost and/or board space in the manufacture of larger electronic equipment through the elimination of multiple discrete components. In addition, very low inductance is achieved due to the close proximity of the device to a circuit board on which it is mounted.