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    • 23. 发明授权
    • Gas injection slit nozzle for a plasma process reactor
    • 用于等离子体处理反应器的气体注入狭缝喷嘴
    • US5643394A
    • 1997-07-01
    • US307888
    • 1994-09-16
    • Dan MaydanSteve S. Y. MakDonald OlgadoGerald Zheyao YinTimothy D. DriscollBrian ShiehJames S. Papanu
    • Dan MaydanSteve S. Y. MakDonald OlgadoGerald Zheyao YinTimothy D. DriscollBrian ShiehJames S. Papanu
    • H05H1/46C23C16/44C23C16/455C23F4/00H01J37/32H01L21/302H01L21/3065H05H1/00
    • C23C16/45574C23C16/45576C23C16/45587H01J37/3244H01J37/32449
    • The invention is embodied in a gas injection apparatus for injecting gases into a plasma reactor vacuum chamber having a chamber housing, a pedestal holding a workpiece to be processed, means for applying RF energy into the chamber, the gas injection apparatus having a gas supply containing an etchant species in a gas, an opening in the chamber housing, a gas feed line from the supply to the opening in the chamber housing, and gas distribution apparatus near the opening in the chamber housing, the gas feed apparatus having at least one slit nozzle facing the interior of the chamber. In a preferred embodiment, the gas distribution apparatus includes a disk member surrounded by at least one annular member with a gap therebetween comprising the slit nozzle, the disk member and annular member blocking gas flow through the opening in the chamber housing. Preferably, each of the members of the gas distribution apparatus comprises a material at least nearly impervious to attack from the etchant species. In one example, each of the members of the gas distribution apparatus comprises one of ceramic, quartz, sapphire, polyimide or anodized aluminum and the gas feed line comprises stainless steel. Preferably, each of the members has its surface polished prior to assembly of the gas distribution apparatus.
    • 本发明体现在一种用于将气体注入等离子体反应器真空室的气体注入装置,其具有腔室壳体,保持要加工的工件的基座,用于将RF能量施加到腔室中的装置,该气体注入装置具有含有 气体中的蚀刻剂物质,腔室壳体中的开口,从供体到腔室中的开口的气体供给管线以及靠近腔室壳体中的开口的气体分配装置,气体供给装置具有至少一个狭缝 喷嘴面向腔室的内部。 在优选实施例中,气体分配装置包括由至少一个环形构件包围的盘构件,其间具有间隙,包括狭缝喷嘴,盘构件和环形构件阻挡气体流过腔室中的开口。 优选地,气体分配装置的每个构件包括至少几乎不受蚀刻剂物质侵蚀的材料。 在一个示例中,气体分配装置的每个构件包括陶瓷,石英,蓝宝石,聚酰亚胺或阳极氧化铝之一,气体供给管线包括不锈钢。 优选地,每个构件在气体分配装置的组装之前具有其表面抛光。