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Flash lamp-based sintering process wins patent

Posted: 09 Nov 2010 ?? ?Print Version ?Bookmark and Share

Keywords:substrate? capacitor? packaging?

NovaCentrix has won a patent for its use of flash lamps to sinter metal-based inks and materials on low-temperature substrates such as paper and plastic.

U.S. Patent No. 7,820,097, titled "Electrical, Plating and Catalytic Uses of Metal Nanomaterial Compositions" was bestowed on NovaCentrix for its novel process deemed critical to the creation of innovative products in photovoltaics, displays, RFID, sensors, batteries, capacitors, and smart packaging.

The same technology, which includes high-speed and roll-to-roll processing, garnered

NovaCentrix an R&D100 award in 2009, as well as recognition from industry analyst group IDTechEx in 2008.

Chief scientist and lead patent author Dr. Kurt Schroder said that aside from processing silver, gold, and nickel used in conductive inks, the high-speed process "can sinter easily-oxidized particles such as copper in an ambient air environment, thus eliminating the need for a reduction furnace or inert atmosphere." "Truly inexpensive conductive traces for printed electronics" result from the room-temperature process, he added.

CEO-president Charles Munson stressed that customers who use licensed PulseForge tools, which use the photonic curing process, in their manufacturing processes will not infringe the patent.

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