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    • 46. 发明专利
    • Semiconductor device manufacturing method
    • 半导体器件制造方法
    • JP2014067992A
    • 2014-04-17
    • JP2013127545
    • 2013-06-18
    • Denso Corp株式会社デンソー
    • KATSUMATA TAKUYOKURA HISANORI
    • H01L21/3205B81C1/00H01L21/02H01L21/768H01L23/522H01L25/065H01L25/07H01L25/18
    • H01L21/76898B81C1/00095B81C1/00269B81C2203/0118B81C2203/0792H01L21/30604H01L21/308H01L21/31116H01L21/31144H01L2924/0002H01L2924/00
    • PROBLEM TO BE SOLVED: To require no support substrate, and prevent the occurrence of surface roughness and warpage before bonding the substrates with each other, and enable successful etching on a large level difference to form a through electrode structure.SOLUTION: A semiconductor device manufacturing method comprises forming a mask material 10 so as to form a bridge over a through hole 3a and forming a hole 10a in the mask material 10 at a position corresponding to the through hole 3a, and then forming a contact hole 5a in an insulation film 5 through the hole 10a. With this manufacturing method, even when there is a large level difference from a surface of a second semiconductor substrate 3 to a bottom of the through hole 3a, only the mask material 10 bridged over the through hole 3a is exposed in photolithography process and no photolithography for the large level difference is required. Accordingly, the hole 10a can be successfully formed in the mask material 10 and a contact hole 5a can be successfully formed by etching on a large level difference through the hole 10a by anisotropic dry etching.
    • 要解决的问题:不需要支撑基板,并且防止在将基板接合之前发生表面粗糙度和翘曲,并且能够在大的差异上成功蚀刻以形成通孔电极结构。解决方案:半导体器件制造 方法包括形成掩模材料10以在通孔3a上形成桥,并且在对应于通孔3a的位置处在掩模材料10中形成孔10a,然后在绝缘膜5中形成接触孔5a 穿过孔10a。 利用该制造方法,即使当从第二半导体衬底3的表面到通孔3a的底部存在较大的电平差时,仅在通孔3a上桥接的掩模材料10在光刻工艺中曝光,并且没有光刻 因为需要大的差别。 因此,可以在掩模材料10中成功地形成孔10a,并且可以通过各向异性干蚀刻通过孔10a以大的水平差进行蚀刻而成功地形成接触孔5a。
    • 49. 发明专利
    • Method of manufacturing semiconductor device
    • 制造半导体器件的方法
    • JP2011187901A
    • 2011-09-22
    • JP2010054718
    • 2010-03-11
    • Canon Incキヤノン株式会社
    • KOTO MAKOTO
    • H01L29/06B82B3/00H01L21/205H01L29/786
    • H01L21/0262B81B2203/0361B81C1/00095B81C2201/0181B82Y10/00B82Y40/00G01N27/4146G01N27/4148H01L21/02373H01L21/02521H01L21/02639H01L21/02645H01L21/02653H01L29/0665H01L29/0676
    • PROBLEM TO BE SOLVED: To produce the length of a vertically formed nanowire at high reproducibility. SOLUTION: A method for manufacturing a semiconductor device includes a process for forming a first layer 102 on a substrate 101; a process for forming a stop layer 103, having a Young's modulus that is higher than that of the first layer 102 on the first layer 102; a process for forming a recess 108 so as to expose a part of the substrate 101, by respectively removing a part of the first layer 102 and a part of the stop layer 103; a growth process for making growth of a nanowire 107 which extends in a vertical direction with respect to the surface of the substrate 101 in the recess 108 so that the length of the nanowire 107 is larger than the sum of the thickness of the first layer 102 and the thickness of the stop layer 103; a process for forming a flattened layer 108, having film thickness larger than the sum and having Young's modulus lower than that of the stop layer 103 in the recess in which the nanowire 107 is made to grow; a process for removing the stop layer 103, up to the flattened layer 108 and exposing the nanowire 107 from the surface of the flattened layer 108; and a process for forming an electrode connected to the upper end of the nanowire 107. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:以高再现性产生垂直形成的纳米线的长度。 解决方案:一种用于制造半导体器件的方法包括在衬底101上形成第一层102的工艺; 形成具有高于第一层102上的第一层102的杨氏模量的阻挡层103的工艺; 通过分别去除第一层102的一部分和停止层103的一部分,形成凹部108以露出基板101的一部分的工艺; 用于使生长纳米线107的生长过程,其在凹槽108中相对于衬底101的表面在垂直方向上延伸,使得纳米线107的长度大于第一层102的厚度之和 和停止层103的厚度; 形成平坦化层108的方法,其具有大于总和的膜厚度,并且在使纳米线107生长的凹部中的杨氏模量低于阻挡层103的杨氏模量; 去除停止层103直到平坦化层108并使纳米线107从平坦化层108的表面露出的工艺; 以及用于形成连接到纳米线107的上端的电极的工艺。版权所有(C)2011,JPO&INPIT