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    • 5. 发明申请
    • METHOD FOR FORMING SILICON-CONTAINING MATERIALS DURING A PHOTOEXCITATION DEPOSITION PROCESS
    • 曝光沉积过程中形成含硅材料的方法
    • WO2007002040A3
    • 2009-03-19
    • PCT/US2006023915
    • 2006-06-20
    • APPLIED MATERIALS INCSINGH KAUSHAL KRANISH JOSEPH MSEUTTER SEAN M
    • SINGH KAUSHAL KRANISH JOSEPH MSEUTTER SEAN M
    • H01L21/318H01L21/469
    • H01L21/3185C23C16/0227C23C16/345C23C16/45519C23C16/45591C23C16/482C23C16/488C23C16/52
    • Embodiments of the invention generally provide a method for depositing films using a UV source during a photoexcitation process. The films are deposited on a substrate and contain a material, such as silicon (e.g., epitaxy, crystalline, microcrystalline, polysilicon, or amorphous), silicon oxide, silicon nitride, silicon oxynitride, or other silicon-containing materials. The photoexcitation process may expose the substrate and/or gases to an energy beam or flux prior to, during, or subsequent the deposition process. Therefore, the photoexcitation process may be used to pre-treat or post-treat the substrate or material, to deposit the silicon-containing material, and to enhance chamber cleaning processes. Attributes of the method that are enhanced by the UV photoexcitation process include removing native oxides prior to deposition, removing volatiles from deposited films, increasing surface energy of the deposited films, increasing the excitation energy of precursors, reducing deposition time, and reducing deposition temperature.
    • 本发明的实施方案通常提供一种在光激发过程中使用UV源沉积膜的方法。 膜沉积在衬底上并且包含诸如硅(例如外延,晶体,微晶,多晶硅或非晶),氧化硅,氮化硅,氮氧化硅或其它含硅材料的材料。 光致激发过程可以在沉积过程之前,期间或之后使衬底和/或气体暴露于能量束或通量。 因此,光激发过程可以用于预处理或后处理衬底或材料,沉积含硅材料,并且增强室清洁过程。 通过UV光激发过程增强的方法的特征包括在沉积之前去除原生氧化物,从沉积膜去除挥发物,增加沉积膜的表面能,增加前体的激发能,减少沉积时间和降低沉积温度。