Patent ID: 9334566
Filing Date: 2016-05-10
CPC Classification: C23C

Claim Text:
1. A system for supplying vaporized precursor, comprising: an enclosure including an output; a plurality of trays arranged in a stacked, spaced configuration inside the enclosure, wherein the plurality of trays are configured to hold liquid precursor; a first conduit fluidly connecting a carrier gas supply to the enclosure and including a plurality of openings, wherein each of the plurality of openings is arranged to supply a portion of the carrier gas at or across the liquid precursor in a respective one of the plurality of trays; and a first valve arranged along the first conduit and configured to selectively control delivery of the carrier gas from the carrier gas supply through the first conduit to the plurality of openings in the first conduit, wherein the output of the enclosure provides a mixture of the carrier gas and the vaporized precursor.