Patent ID: 7967911

Claim:
A chemical vapor deposition apparatus comprising: a chemical vapor deposition chamber having a chamber gas inlet port and a liquid reactant vaporizer having an outlet port connected to the chamber gas inlet port, the vaporizer comprising a vessel including an upper portion, a lower portion, interior lateral surfaces and a bottom surface, the vessel containing a liquid reactant, the space between the interior lateral surfaces defining an interior vessel diameter; a vessel inlet port connected to a source of carrier gas; a porous sintered metal frit having an external diameter that is substantially equal to the interior vessel diameter, the porous sintered metal frit being inserted into the lower portion of the vessel below the level of the liquid reactant and defining a plenum between the porous sintered metal frit and the bottom of the vessel; and a gas delivery conduit extending through the vessel's gas inlet port and the porous sintered metal frit.