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    • 13. 发明授权
    • Single-substrate-heat-processing method for performing reformation and crystallization
    • 用于进行改性和结晶的单基板热处理方法
    • US06232248B1
    • 2001-05-15
    • US09335526
    • 1999-06-18
    • Hiroshi ShinrikiMasahito Sugiura
    • Hiroshi ShinrikiMasahito Sugiura
    • H01L2131
    • C23C16/405C23C16/44C23C16/56H01L21/31604H01L28/56
    • An insulating film consisting of first and second tantalum oxide layers is formed on a semiconductor wafer. First, an amorphous first layer is formed by CVD, and a reforming process for removing organic impurities contained in the first layer is carried out. Then, an amorphous second layer is formed by CVD on the first layer. Then, a reforming process for removing organic impurities contained in the second layer is carried out by supplying a process gas containing ozone into a process chamber while heating the wafer to a temperature lower than a crystallizing temperature over a certain period. Further, within the same process chamber, the wafer is successively heated to a second temperature higher than the crystallizing temperature, followed by cooling the wafer to a temperature lower than the crystallizing temperature so as to crystallize the first and second layers simultaneously.
    • 在半导体晶片上形成由第一和第二钽氧化物层构成的绝缘膜。 首先,通过CVD形成非晶质第一层,并且进行用于除去第一层中所含有机杂质的重整工序。 然后,在第一层上通过CVD形成无定形第二层。 然后,通过在一定时间内将晶片加热至低于结晶温度的温度,将含有臭氧的工艺气体供给到处理室中,来进行用于除去第二层中所含有机杂质的重整工序。 此外,在相同的处理室内,将晶片依次加热至高于结晶温度的第二温度,然后将晶片冷却至低于结晶温度的温度,以使第一和第二层同时结晶。
    • 20. 发明授权
    • Processing apparatus and processing method
    • 处理装置及处理方法
    • US06467491B1
    • 2002-10-22
    • US09631978
    • 2000-08-03
    • Masahito SugiuraHiroshi ShinrikiHideki KiryuShintaro Aoyama
    • Masahito SugiuraHiroshi ShinrikiHideki KiryuShintaro Aoyama
    • B08B704
    • H01L21/67196H01L21/67115H01L21/681Y10S134/902
    • A pretreatment chamber 120 is disposed within a vacuum transfer chamber 102 of a processing apparatus 100. The pretreatment chamber 120 is equipped with an orienting mechanism 128 and a UV lamp 124. The orienting mechanism 128 orients a wafer W through rotation of a table 130, on which the wafer W is placed, and by use of an optical sensor 134. Synchronously with the orientation, the UV lamp 124 emits UV through a UV transmission window 126 fitted to a ceiling portion of the pretreatment chamber 120, to thereby irradiate the surface of the wafer W with UV. Thus adhering to the wafer W is removed. A processing gas supplied into the pretreatment chamber 120 is also irradiated with UV. Active atoms generated from the processing gas also contribute to removal of carbon. Since the pretreatment chamber 120 is formed within the vacuum transfer chamber 102, the footprint of the processing apparatus can be reduced. Since orientation of the wafer W and removal of contaminants are performed concurrently, throughput is improved.
    • 预处理室120设置在处理设备100的真空转移室102内。预处理室120配备有定向机构128和UV灯124.定向机构128通过台130的旋转定向晶片W, 在其上放置晶片W,并且通过使用光学传感器134.与该取向同步,UV灯124通过装配到预处理室120的顶部的UV透射窗口126发射UV,从而照射表面 的晶片W。 因此,除去了附着在晶片W上。 供给到预处理室120的处理气体也用UV照射。 从处理气体产生的活性原子也有助于去除碳。 由于预处理室120形成在真空传送室102内,因此能够减少处理装置的占地面积。 由于晶片W的取向和污染物的去除同时进行,因此提高了生产率。