STRETCHABLE ELECTRONIC SYSTEM BASED ON CONTROLLED BUCKLED FLEXIBLE PRINTED CIRCUIT BOARD (PCB)

A microelectronic device system and a method of forming a microelectronic device are described. The microelectronic device includes a flex printed circuit board (PCB) having two or more electrical sub-systems that are electrically coupled by a plurality of conductive traces, where the flex PCB may b...

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Bibliographische Detailangaben
Hauptverfasser:	CHOONG, Chwee Lin, MAR, Kheng Tat
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 microelectronic device system and a method of forming a microelectronic device are described. The microelectronic device includes a flex printed circuit board (PCB) having two or more electrical sub-systems that are electrically coupled by a plurality of conductive traces, where the flex PCB may be a buckled flex PCB. The microelectronic device includes a plurality of anchoring sites formed on a backside surface of the flex PCB. The microelectronic device encapsulates an elastomer over the flex PCB, the electrical sub-systems, and the conductive traces. The microelectronic device may stretch in a unidirectional and bidirectional axis. The microelectronic device may have electronic components attached to the electrical sub-systems. The microelectronic device may have stretchable segments where each of the stretchable segments is formed between a pair of anchoring sites. The microelectronic device may have three-dimensional (3D) conductive traces, where the 3D conductive traces are 3D meandering traces.