发明名称 Method and System for Furnace Cleaning
摘要 The present invention provides a method and a system for cleaning furnace, including the steps of introducing a nitrogen gas flow into a cleaning agent tank to carry the cleaning agent, introducing the nitrogen gas carrying the cleaning agent into the furnace via a pipeline to clean the furnace; and generating a steam by mixing and igniting a hydrogen gas flow and an oxygen gas flow, and then introducing the steam into the furnace to clean the furnace. The method for cleaning furnace according to the invention can effectively remove metal and non-metal impurities deposits in a furnace of semiconductor oxidation furnace equipment.
申请公布号 US2008314418(A1) 申请公布日期 2008.12.25
申请号 US20080134441 申请日期 2008.06.06
申请人 SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION 发明人 ZHAO XING;SONG HAI;LI CHUNLONG;CHEN XIAOLI
分类号 B08B3/04 主分类号 B08B3/04
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