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    • 9. 发明授权
    • H2-based plasma treatment to eliminate within-batch and batch-to-batch etch drift
    • 基于H2的等离子体处理,以消除批次间和批次间蚀刻漂移
    • US07727906B1
    • 2010-06-01
    • US11493679
    • 2006-07-26
    • Sunil ShankerChi-I LangMinh Anh NguyenJudy H. Huang
    • Sunil ShankerChi-I LangMinh Anh NguyenJudy H. Huang
    • H01L21/31
    • C23C16/045C23C16/4404C23C16/4405H01J37/32165H01L21/31604
    • This invention relates to electronic device fabrication for making devices such as semiconductor wafers and resolves the detrimental fluorine loading effect on deposition in the reaction chamber of a HDP CVD apparatus used for forming dielectric layers in high aspect ratio, narrow width recessed features with a repeating dep/etch/dep process. The detrimental fluorine loading effect in the chamber on deposition uniformity is reduced and wafers are provided having less deposition thickness variations by employing the method using a passivation treatment and precoating of the chamber before substrates are processed. In a preferred process, after each wafer of a batch is finished, the passivation steps are repeated. In a further preferred process, after all the wafers of a batch are finished, the passivation and precoat procedure is repeated. A preferred passivation gas is a mixture of hydrogen and oxygen.
    • 本发明涉及用于制造诸如半导体晶片的器件的电子器件制造,并且解决了用于形成具有高纵横比,窄宽度凹陷特征的电介质层的HDP CVD设备的反应室中沉积的有害氟负载效应,具有重复的dep / etch / dep进程。 通过采用钝化处理的方法和在处理基板之前对涂层进行涂布,在沉积均匀性方面降低了室中对有害的氟负载效应并提供具有较小沉积厚度变化的晶片。 在优选的方法中,在批次的每个晶片完成之后,重复钝化步骤。 在另一优选方法中,在批料的所有晶片完成之后,重复钝化和预涂步骤。 优选的钝化气体是氢和氧的混合物。
    • 10. 发明授权
    • CVD flowable gap fill
    • CVD可流动缝隙填充
    • US07915139B1
    • 2011-03-29
    • US12508461
    • 2009-07-23
    • Chi-I LangJudy H. HuangMichael BarnesSunil Shanker
    • Chi-I LangJudy H. HuangMichael BarnesSunil Shanker
    • H01L21/00
    • H01L21/76837H01L21/02164H01L21/02216H01L21/02271H01L21/0234H01L21/31612H01L21/76826
    • The present invention meets these needs by providing improved methods of filling gaps. In certain embodiments, the methods involve placing a substrate into a reaction chamber and introducing a vapor phase silicon-containing compound and oxidant into the chamber. Reactor conditions are controlled so that the silicon-containing compound and the oxidant are made to react and condense onto the substrate. The chemical reaction causes the formation of a flowable film, in some instances containing Si—OH, Si—H and Si—O bonds. The flowable film fills gaps on the substrates. The flowable film is then converted into a silicon oxide film, for example by plasma or thermal annealing. The methods of this invention may be used to fill high aspect ratio gaps, including gaps having aspect ratios ranging from 3:1 to 10:1.
    • 本发明通过提供填充间隙的改进方法来满足这些需要。 在某些实施方案中,所述方法包括将基材置于反应室中并将气相含硅化合物和氧化剂引入所述​​室中。 控制反应器条件使得含硅化合物和氧化剂反应并冷凝到基底上。 化学反应导致形成可流动的膜,在某些情况下,含有Si-OH,Si-H和Si-O键。 可流动膜填充基板上的间隙。 然后将可流动膜转化成氧化硅膜,例如通过等离子体或热退火。 本发明的方法可用于填充高纵横比间隙,包括具有3:1至10:1的纵横比的间隙。