Vacuum isostatic micro molding of micro/nano structures and micro transfer metal films into PTFE and PTFE compounds
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United States of America Patent
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Apr 19, 2011
Grant Date -
Mar 19, 2009
app pub date -
Aug 22, 2008
filing date -
Aug 24, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process of manufacturing micro or nanostructure surfaces or parts formed of PTFE by applying a vacuum to powered or granulated PTFE in a heated compression mold. The process further includes applying a compression anvil within the metallic mold, removing the mold from a heat source and quenching the mold while maintaining the pressure in the mold during quenching. A mold or mold insert may be manufactured from sintered metal, sintered ceramic or sintered stainless steel to allow the vacuum to be applied across a surface holding the micro or nanostructures.
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