Patent ID: 6012478
Filing Date: 2000-01-11
Classification: F17C,F17D,Y10T

Abstract:
A semiconductor manufacturing apparatus, comprising:a plurality of gas lines each coupled at a first end to a gas container containing a fabrication gas;a plurality of supply pipes;a plurality of fabrication apparatus, wherein the plurality of fabrication apparatuses comprise a fab line, and wherein each of the supply pipes is coupled at a second end to one of the plurality of fabrication apparatus; anda gas cabinet mounting a plurality of gas containers, wherein each of the gas containers contains one of a plurality of fabrication gases, and wherein each of the plurality of gas lines is coupled at the first end to one of the plurality of gas containers;a distributor coupled to first ends of the plurality of gas lines that distribute at least two fabrication gases of the plurality of fabrication gases through at least two corresponding supply pipes coupled to one of the plurality of fabrication apparatus, wherein the distributor comprises,an extension valve disposed in each of the gas lines that distributes a corresponding fabrication gas,a stop valve disposed in said each of the gas lines subsequent to the extension valve that blocks the corresponding fabrication gas,a first sensor disposed with the stop valve that monitors a pressure of the corresponding fabrication gas,a plurality of supply valves provided in said each of the plurality of gas lines subsequent to the stop valve at a prescribed interval that distribute the corresponding fabrication gas to one of a plurality of supply pipes,a purging gas control valve that controls the supply of a purging gas,a plurality of purging valves each disposed subsequent to one of the plurality of supply valves that control flow of the purging gas,a plurality of regulators each disposed subsequent to one of the purging valves that regulate the corresponding fabrication gas passed through the purging valves,a plurality of second sensors each disposed subsequent to one of the plurality of regulators that check a final pressure of the corresponding fabrication gas,a plurality of gas filters each provided subsequent to one of the plurality of second sensors that filter the corresponding fabrication gas passed through the second sensors, anda plurality of final supply valves each disposed subsequent to one of the plurality of gas filters that control an output of the fabrication gas passed through the gas filters, wherein the semiconductor manufacturing apparatus further comprises a plurality of distributors.