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    • 5. 发明授权
    • Method of forming a titanium film and a barrier film on a surface of a substrate through lamination
    • 通过层压在基板的表面上形成钛膜和阻挡膜的方法
    • US06537621B1
    • 2003-03-25
    • US09473715
    • 1999-12-29
    • Yasuo KobayashiKunihiro TadaHideki Yoshikawa
    • Yasuo KobayashiKunihiro TadaHideki Yoshikawa
    • C23C1634
    • H01L21/76843C23C16/34H01L21/28562H01L21/28568H01L21/76855H01L21/76856H01L21/76879
    • A method for forming a titanium film and a titanium nitride film on a surface of a substrate by lamination, by which contamination of the substrate due to the by-product is suppressed and the contact resistance of the titanium film is reduced. The method comprises the steps of forming a titanium film on the surface of the substrate using a first process gas containing TiCl4 and a reducing gas, subjecting the substrate to a plasma process using a second process gas containing N2 gas and a reducing gas, thereby decreasing Cl in the titanium film and nitriding the surface of the titanium film to form a nitride layer, and forming a barrier metal (e.g., a titanium nitride film) on the titanium film having the nitride layer. Thus, the titanium film and the titanium nitride film are formed on the substrate by lamination. The second process gas contains N2 gas in a ratio of 0.5 or lower with respect to the reducing gas.
    • 通过层叠在基板的表面上形成钛膜和氮化钛膜的方法,由此抑制由副产物引起的基板的污染并降低钛膜的接触电阻。 该方法包括以下步骤:使用包含TiCl 4和还原气体的第一工艺气体在衬底的表面上形成钛膜,使用含有N 2气体和还原气体的第二工艺气体对衬底进行等离子体处理,从而减少 Cl并使钛膜的表面氮化以形成氮化物层,并在具有氮化物层的钛膜上形成阻挡金属(例如,氮化钛膜)。 因此,通过层压在基板上形成钛膜和氮化钛膜。 第二处理气体相对于还原气体含有0.5以下的N 2气体。
    • 6. 发明授权
    • CVD-Ti film forming method
    • CVD-Ti成膜方法
    • US06197674B1
    • 2001-03-06
    • US09112640
    • 1998-07-09
    • Hideki YoshikawaYasuo KobayashiKunihiro Tada
    • Hideki YoshikawaYasuo KobayashiKunihiro Tada
    • H01L2144
    • H01L21/76843C23C16/08H01L21/28568
    • A method of forming a CVD-Ti film includes the steps of loading a Si wafer into a chamber, setting an interior of the chamber at a predetermined reduced-pressure atmosphere, introducing TiCl4 gas, H2 gas, and Ar gas into the chamber, and generating a plasma of the introduced gas in the chamber to form a Ti film in a hole formed in an SiO2 film on the wafer. A wafer temperature is set to 400° to 800°, a supplied power is set to 100 W to 300 W, an internal chamber pressure is set to 0.5 Torr to 3.0 Torr, a flow rate ratio of TiCl4 gas to a sum of H2 gas and Ar gas is 1:100 to 1:300, and a flow rate ratio of H2 gas to Ar gas is 1:1 to 2:1.
    • 形成CVD-Ti膜的方法包括以下步骤:将Si晶片装载到腔室中,将腔室的内部设置在预定的减压气氛下,将TiCl 4气体,H 2气体和Ar气体引入室中;以及 在室中产生引入气体的等离子体,以在晶片上的SiO 2膜形成的孔中形成Ti膜。 将晶片温度设定为400°〜800°,供给功率设定为100W〜300W,内部室压设定为0.5Torr〜3.0Torr,TiCl4气体与H2气体的流量比 Ar气体为1:100〜1:300,H2气体与Ar气体的流量比为1:1〜2:1。
    • 7. 发明授权
    • Processing apparatus and heater unit
    • 加工设备和加热器单元
    • US08106335B2
    • 2012-01-31
    • US11631485
    • 2005-07-01
    • Seishi MurakamiKunihiro Tada
    • Seishi MurakamiKunihiro Tada
    • H05B3/68
    • C23C16/46C23C16/4586H01L21/67109H05B3/143
    • A processing apparatus has a placement stage that prevents generation of a crack due to heating of an embedded heater. The placement stage (32A) on which a wafer (W) is placed has a plurality of areas (32Aa, 32Ab) so that one of the plurality of heaters is embedded independently in each of the plurality of areas. The heater (35Aa) embedded in one area (32Aa) of adjacent areas has a part (35Aa2) extending in the other area (32Ab) of the adjacent areas, and the heater (35Ab) embedded in the other area (32Ab) of the adjacent areas has a part (35Ab2) extending in the one area (32Aa).
    • 处理装置具有防止由于嵌入式加热器的加热而产生裂缝的放置台。 其上放置晶片(W)的放置台(32A)具有多个区域(32Aa,32Ab),使得多个加热器中的一个独立地嵌入在多个区域中的每个区域中。 嵌入在相邻区域的一个区域(32Aa)中的加热器(35Aa)具有在相邻区域的另一区域(32Ab)中延伸的部分(35Aa2),并且嵌入在相邻区域的另一区域(32Ab)中的加热器 相邻区域具有在一个区域(32Aa)中延伸的部分(35Ab2)。