US Patent 8459293 Ampoule with integrated hybrid valve

Semiconductor manufacturing tools with chemical delivery systems, such as precursor distribution system, use reservoir assemblies as part of a distribution system. One reservoir assembly includes: a canister comprising at least one sidewall, a top, and a bottom encompassing an interior volume therein; an inlet port and an outlet port in fluid communication with the interior volume; an inlet valve for controlling fluid communication between the inlet port and the interior volume; and an outlet valve for controlling fluid communication between the outlet port and the interior volume, wherein at least one of the inlet valve or the outlet valve comprises a dual-function hybrid valve.