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    • 2. 发明申请
    • ATOMIC LAYER DEPOSITION OF TANTALUM-CONTAINING MATERIALS USING THE TANTALUM PRECURSOR TAIMATA
    • 使用TANTALUM PRECURSOR TAIMATA的含钽材料的原子层沉积
    • US20080032041A1
    • 2008-02-07
    • US11773302
    • 2007-07-03
    • Christophe MarcadalRongjun WangHua ChungNirmalya Maity
    • Christophe MarcadalRongjun WangHua ChungNirmalya Maity
    • B05D5/12
    • H01L29/495C23C16/18C23C16/30C23C16/45553H01L21/28079H01L21/28562H01L21/76843H01L21/76864H01L29/4958H01L29/517
    • In one embodiment, a method for forming a tantalum-containing material on a substrate is provided which includes heating a liquid tantalum precursor containing tertiaryamylimido-tris(dimethylamido) tantalum (TAIMATA) to a temperature of at least 30° C. to form a tantalum precursor gas and exposing the substrate to a continuous flow of a carrier gas during an atomic layer deposition process. The method further provides exposing the substrate to the tantalum precursor gas by pulsing the tantalum precursor gas into the carrier gas and adsorbing the tantalum precursor gas on the substrate to form a tantalum precursor layer thereon. Subsequently, the tantalum precursor layer is exposed to at least one secondary element-containing gas by pulsing the secondary element-containing gas into the carrier gas while forming a tantalum barrier layer on the substrate. The tantalum barrier layer may contain tantalum, tantalum nitride, tantalum silicon nitride, tantalum boron nitride, tantalum phosphorous nitride or tantalum oxynitride.
    • 在一个实施方案中,提供了一种用于在基底上形成含钽材料的方法,其包括将含有叔戊酰亚氨基 - 三(二甲基氨基)钽(TAIMATA)的液体钽前体加热至至少30℃的温度以形成钽 前体气体,并在原子层沉积过程中将衬底暴露于载气的连续流动。 该方法进一步通过将钽前体气体脉冲到载气中并将钽前驱体气体吸附在基底上以在其上形成钽前体层而使衬底暴露于钽前体气体。 随后,通过在衬底上形成钽阻挡层,将含二次元素的气体脉冲送入载气中,使钽前体层暴露于至少一个含二元素气体。 钽阻挡层可以包含钽,氮化钽,氮化钽,氮化硼,氮化钽或氮氧化钽。
    • 5. 发明授权
    • Atomic layer deposition of tantalum-containing materials using the tantalum precursor TAIMATA
    • 使用钽前体TAIMATA的含钽材料的原子层沉积
    • US07691742B2
    • 2010-04-06
    • US12365310
    • 2009-02-04
    • Christophe MarcadalRongjun WangHua ChungNirmalya Maity
    • Christophe MarcadalRongjun WangHua ChungNirmalya Maity
    • H01L21/44H01L21/285
    • H01L29/495C23C16/18C23C16/30C23C16/45553H01L21/28079H01L21/28562H01L21/76843H01L21/76864H01L29/4958H01L29/517
    • In one embodiment, a method for forming a tantalum-containing material on a substrate is provided which includes heating a liquid tantalum precursor containing tertiaryamylimido-tris(dimethylamido) tantalum (TAIMATA) to a temperature of at least 30° C. to form a tantalum precursor gas and exposing the substrate to a continuous flow of a carrier gas during an atomic layer deposition process. The method further provides exposing the substrate to the tantalum precursor gas by pulsing the tantalum precursor gas into the carrier gas and adsorbing the tantalum precursor gas on the substrate to form a tantalum precursor layer thereon. Subsequently, the tantalum precursor layer is exposed to at least one secondary element-containing gas by pulsing the secondary element-containing gas into the carrier gas while forming a tantalum barrier layer on the substrate. The tantalum barrier layer may contain tantalum, tantalum nitride, tantalum silicon nitride, tantalum boron nitride, tantalum phosphorous nitride or tantalum oxynitride.
    • 在一个实施方案中,提供了一种用于在基底上形成含钽材料的方法,其包括将含有叔戊酰亚氨基 - 三(二甲基氨基)钽(TAIMATA)的液体钽前体加热至至少30℃的温度以形成钽 前体气体,并在原子层沉积过程中将衬底暴露于载气的连续流动。 该方法进一步通过将钽前体气体脉冲到载气中并将钽前驱体气体吸附在基底上以在其上形成钽前体层而使衬底暴露于钽前体气体。 随后,通过在衬底上形成钽阻挡层,将含二次元素的气体脉冲送入载气中,使钽前体层暴露于至少一个含二元素气体。 钽阻挡层可以包含钽,氮化钽,氮化钽,氮化硼,氮化钽或氮氧化钽。
    • 10. 发明申请
    • Small Scanned Magentron
    • 小扫描魔术师
    • US20070102284A1
    • 2007-05-10
    • US11610849
    • 2006-12-14
    • Ilyoung HONGJames TSUNGDaniel LUBBENPeijun DINGNirmalya MAITY
    • Ilyoung HONGJames TSUNGDaniel LUBBENPeijun DINGNirmalya MAITY
    • C23C14/00
    • H01J37/3455C23C14/345C23C14/35C23C14/355H01J37/3405H01J37/3408
    • A small magnet assembly having a magnet assembly of area less than 10% of the target area, is scanned in a retrograde planetary or epicyclic path about the back of a target being plasma sputtered including an orbital rotation about the center axis of the target and a planetary rotation about another axis rotating about the target center axis. The magnet assembly passes through the target center, thus allowing full target coverage. A properly chosen ratio of the two rotations about respective axes produces a much slower magnet velocity near the target periphery than at the target center. A geared planetary mechanism includes a rotating drive plate, a fixed center gear, and an idler and a follower gear rotatably supported in the drive plane supporting a cantilevered magnet assembly on the side of the drive plate facing the target.
    • 具有面积小于目标区域的10%的磁体组件的小型磁体组件沿着包括围绕靶的中心轴线的轨道旋转的等离子体溅射的靶的背面以逆行星行星或行星路径扫描, 围绕围绕目标中心轴线旋转的另一轴线的行星旋转。 磁铁组件通过目标中心,从而允许全目标覆盖。 相对于相应轴的两个旋转的适当选择的比率在目标周边附近产生比在目标中心附近更慢的磁体速度。 齿轮行星机构包括旋转驱动板,固定中心齿轮和惰轮以及可驱动地支撑在驱动平面上的悬臂磁体组件的驱动平面中的从动齿轮。