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    • 14. 发明公开
    • 고밀도 플라즈마 화학기상증착 장비를 사용하여 절연막을형성하는 방법
    • 使用高密度等离子体化学蒸气沉积设备形成绝缘层的方法
    • KR1020040045763A
    • 2004-06-02
    • KR1020020073617
    • 2002-11-25
    • 삼성전자주식회사
    • 김광재문성환이승무
    • H01L21/31
    • PURPOSE: A method for forming an insulating layer using high density plasma CVD(Chemical Vapor Deposition) equipment is provided to be capable of increasing the pressure of a chamber without the real increase of the flow rate of process gases for conserving burial characteristics of a gap region and minimizing an arcing phenomenon. CONSTITUTION: A semiconductor substrate is loaded in a chamber(220). The angle between throttle valve plates(240) is controlled in the range of 0-180 degree. A turbo pump(245) is then operated. An insulating layer is formed on the semiconductor substrate by flowing process gases into the chamber. Preferably, the angle between the throttle valve plates is capable of being controlled in the range of 5-130 degree. Preferably, the pressure of the chamber is conserved in the range of 1-10 mT by controlling the switching angle of the throttle valve plate. Preferably, the insulating layer is formed by flowing valence gas as well as process gases. Preferably, nitrogen gas is used as the valence gas.
    • 目的:提供一种使用高密度等离子体CVD(化学气相沉积)设备形成绝缘层的方法,其能够增加室的压力,而不会真正增加处理气体的流量,从而节省了间隙的埋藏特性 并尽量减少电弧现象。 构成:半导体衬底装载在腔室(220)中。 节流阀板(240)之间的角度控制在0-180度的范围内。 然后操作涡轮泵(245)。 通过使工艺气体流入室内,在半导体衬底上形成绝缘层。 优选地,节流阀板之间的角度能够控制在5-130度的范围内。 优选地,通过控制节流阀板的切换角度,室的压力保持在1-10mT的范围内。 优选地,通过使价态气体以及工艺气体流动来形成绝缘层。 优选使用氮气作为价态气体。