Patent ID: 7452424

Claim:
A semiconductor processing system comprising: a process chamber configured to accommodate a target substrate; a support member configured to support the target substrate inside the process chamber; a heater configured to heat the target substrate inside the process chamber; an exhaust system configured to exhaust gas inside the process chamber; a gas supply system configured to supply a process gas into the process chamber, and including a gas generating apparatus disposed outside the process chamber for generating the process gas from a liquid material, wherein the gas generating apparatus comprises: a pre-treatment unit configured to generate a gas-liquid mixture fluid from the liquid material, and a vaporizer to which the fluid is supplied from the pre-treatment unit through a fluid supply passage, wherein the vaporizer comprises: a container defining a process space of the vaporizer, a supply head connected to the fluid supply passage and having a plurality of spray holes to spray the fluid within the container, a heating passage disposed below the spray holes within the container and comprising a plurality of passage portions disposed in parallel with each other and respectively defined by heating walls, the heating passage being configured to heat the fluid passing therethrough downward and thereby generate the process gas, a gas delivery passage connected to the container to laterally deliver the process gas from below the heating passage, an electric heater configured to heat the process space and the heating walls; and a mist receiver provided at the container below the gas delivery passage.