Shape retaining flexible electrical circuit
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United States of America Patent
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Mar 5, 1991
Issued Date -
N/A
app pub date -
Feb 6, 1990
filing date -
Mar 6, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A printed circuit board composed of an epoxy impregnated nonwoven web substrate laminated to electrically conductive sheets is presented. The printed circuit board is flexible in the sense that it can be bent to any desired multiplanar shape and will retain that shape after installation as required by electronic interconnection systems. The printed circuit board also has improved thermal properties achieved through the addition of up to 70% by weight of low coefficient of thermal expansion (CTE) particulate fillers and/or the use of thermally stable reinforcement fibers in the non-woven web.
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