Electric resistance heating devices – Heating devices – Radiant heater
Patent
1996-02-02
1999-04-06
Hecker, Stuart N.
Electric resistance heating devices
Heating devices
Radiant heater
219405, 219411, A21B 200, A21B 100
Patent
active
058928863
ABSTRACT:
A gas distribution showerhead for uniformly distributing gas and undistorted radiant heat in an RTP chamber. A gas passageway exists within the showerhead and is suitable for connection to a source of gas. The gas passageway terminates in a plurality of gas ports on a surface of the showerhead. A plurality of energy passageways exist in the showerhead. The energy passageways are exclusive of both the gas passageway and the gas ports, and terminate on the surface of the showerhead. The energy passageways are preferably openings in the showerhead lined with reflectors, although any material which aids in the transmission of the energy may be used. Preferably a plurality of light sources are provided as the energy sources, and they are positioned to transmit light through the energy passageways and out of the surface of the showerhead.
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Hecker Stuart N.
Micro)n Technology, Inc.
Vu Bao Q.
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