Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate
2011-08-09
2011-08-09
Fuqua, Shawntina (Department: 3742)
Electric heating
Heating devices
Combined with diverse-type art device
C392S387000, C250S281000, C250S287000, C250S288000, C250S290000
Reexamination Certificate
active
07994453
ABSTRACT:
A chemical sample gas tube that is capable of being rapidly heated and cooled allows rapid purging of condensed chemical vapor from its inside surface. The tube may include a thin foil with an electrically conducting surface, a rigidly separated pair of clamps to shape the thin foil into a cylinder shape, and a temperature-controlled source of electricity that can flow sequentially through the clamps and thin foil for heating. The temperature of the cylindrical thin foil may be increased at a rate of at least 25 degrees Celsius per second, and may be cooled at a rate of at least 10 degrees Celsius per second. A temperature control sequence may be provided that includes at least one temperature that performs at least one of: condensing the chemical vapor, transmitting the chemical vapor, desorbing the condensed chemical vapor, and decomposing the condensed chemical vapor.
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Bunker Stephen N.
Richards Keith A.
Fuqua Shawntina
Implant Sciences Corporation
Muirhead and Saturnelli LLC
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