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    • 2. 发明申请
    • ALUMINUM SPUTTERING WHILE BIASING WAFER
    • 漂白抛光铝铝溅射
    • WO2007024465A2
    • 2007-03-01
    • PCT/US2006030784
    • 2006-08-08
    • APPLIED MATERIALS INCLEE WEI TIGUO TEDYO SANG-HO
    • LEE WEI TIGUO TEDYO SANG-HO
    • C23C14/00
    • C23C14/185C23C14/025C23C14/046C23C14/345
    • An aluminum sputtering process including RF biasing the wafer and a two-step aluminum fill process and apparatus used therefor to fill aluminum into a narrow via hole by sputtering under two distinctly different conditions, preferably in two different plasma sputter reactors (168, 170). The first step (130) includes sputtering a high fraction of ionized aluminum atoms onto a relatively cold wafer, e.g., held at less than 15O0C, and relatively highly biased to attract aluminum atoms into the narrow holes and etch overhangs. The second step (132) includes more neutral sputtering onto a relatively warm wafer, e.g. held at greater than 25O0C, and substantially unbiased to provide a more isotropic and uniform aluminum flux. The magnetron scanned about the back of the aluminum target may be (80) relatively small and unbalanced in the first step and (60) relatively large and balanced in the second step.
    • 铝溅射工艺包括RF偏置晶片和两步铝填充工艺和装置,用于通过在两个明显不同的条件下优选在两个不同的等离子体溅射反应器(168,170)中的溅射将铝填充到窄通孔中。 第一步骤(130)包括将大部分电离铝原子溅射到相对冷的晶片上,例如保持在小于150℃,并且相对高度偏置以将铝原子吸引到窄孔中并蚀刻突出端。 第二步骤(132)包括在相对温暖的晶片上的更中性的溅射。 保持在大于250℃,并且基本上无偏差以提供更多的各向同性和均匀的铝通量。 在第一步中围绕铝靶的背面扫描的磁控管可能(80)相对较小并且不平衡,(60)在第二步中相对较大和平衡。
    • 3. 发明申请
    • AMPOULE SPLASH GUARD APPARATUS
    • WO2007044208A3
    • 2007-11-22
    • PCT/US2006037217
    • 2006-09-26
    • APPLIED MATERIALS INCLEE WEI TICHIAO STEVE H
    • LEE WEI TICHIAO STEVE H
    • F26B25/06B01F3/04
    • C23C16/4482Y10S261/65
    • Embodiments of the invention provide an apparatus for generating a precursor gas used in a vapor deposition process system. The apparatus contains a canister or an ampoule for containing a chemical precursor and a splash guard contained within the ampoule. The splash guard is positioned to obstruct the chemical precursor in a liquid state from being bumped or splashed into a gas outlet during the introduction of a carrier gas into the ampoule. The carrier gas is usually directed into the ampoule through a gas inlet and combines with the vaporized chemical precursor to form a precursor gas. The splash guard is also positioned to permit the passage of the precursor gas from the gas outlet. In one example, the gas outlet contains a stem with a tapered tip and the splash guard is positioned at an angle parallel to the plane of the tapered tip.
    • 本发明的实施例提供一种用于产生在气相沉积工艺系统中使用的前体气体的装置。 该装置包含用于容纳安瓿内的化学前体和防溅罩的罐或安瓿。 飞溅防护罩的定位是在将载气引入安瓿中时,阻止液态的化学前体被撞击或溅入气体出口。 载气通常通过气体入口引导到安瓿中,并与蒸发的化学前体结合以形成前体气体。 防溅罩也被定位成允许来自气体出口的前体气体通过。 在一个示例中,气体出口包含具有锥形尖端的杆,并且防溅罩以与锥形尖端的平面平行的角度定位。