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    • 5. 发明申请
    • QUANTUM-DOT DEVICE AND POSITION-CONTROLLED QUANTUM-DOT-FABRICATION METHOD
    • 量子装置和位置控制量子制造方法
    • WO2009112510A1
    • 2009-09-17
    • PCT/EP2009/052840
    • 2009-03-11
    • NXP B.V.ST MICROELECTRONICS (CROLLES 2) SASBIDAL, GregoryBOEUF, FredericLOUBET, Nicolas
    • BIDAL, GregoryBOEUF, FredericLOUBET, Nicolas
    • H01L29/06
    • H01L29/127B82Y10/00H01L29/66439H01L29/7613
    • The present invention relates to a method for position-controlled fabrication of a semiconductor quantum dot, the method comprising: providing a substrate (102) of a substrate material; depositing a sacrificial layer (108) of a sacrificial material; depositing an active layer (110) of a semiconductive active material on the sacrificial layer, wherein the substrate, sacrificial and active materials are chosen such that the sacrificial layer is selectively removable with respect to the substrate and the active layer, depositing and patterning a mask layer on the active layer so as to define desired quantum-dot positions in lateral directions, fabricating a lateral access to the sacrificial layer in regions underneath the patterned mask layer; selectively removing, with respect to the substrate and the active layer, the sacrificial layer from underneath the active layer at least under the patterned mask layer; and etching the active layer under the patterned mask layer from underneath the active layer so as to assume a desired quantum-dot shape.
    • 本发明涉及半导体量子点的位置控制制造方法,该方法包括:提供衬底材料的衬底(102); 沉积牺牲材料的牺牲层(108); 在所述牺牲层上沉积半导体活性材料的有源层(110),其中所述衬底,牺牲层和活性材料被选择为使得所述牺牲层相对于所述衬底和所述有源层选择性地可移除,沉积和图案化掩模 层,以便在横向方向上限定期望的量子点位置,在图案化掩模层下面的区域中制造对牺牲层的横向访问; 至少在所述图案化掩模层下方,相对于所述衬底和所述有源层选择性地从所述有源层下方去除所述牺牲层; 并且在有源层下方蚀刻图案化掩模层下面的有源层,以便呈现期望的量子点形状。
    • 8. 发明申请
    • INTEGRATION OF SELF-ALIGNED TRENCHES IN-BETWEEN METAL LINES
    • 在金属线之间的自对准铁素体的整合
    • WO2007083237A8
    • 2007-12-27
    • PCT/IB2007000162
    • 2007-01-11
    • ST MICROELECTRONICS CROLLES 2KONINKL PHILIPS ELECTRONICS NVTORRES JOAQUINGOSSET LAURENT-GEORGES
    • TORRES JOAQUINGOSSET LAURENT-GEORGES
    • H01L21/768
    • H01L21/7682H01L21/76885H01L23/5222H01L23/53238H01L2924/0002H01L2924/00
    • The present invention provides an improved method of forming air cavities to overcome IC via-misalignment issues. The method of forming air cavity trenches in-between metal lines of an integrated circuit includes the steps of partially removing (42) an intertrack dielectric deposited on an interconnect structure surface to control the height between the top surface of a metal line of the interconnect surface and the surface of the intertrack dielectric; depositing (44) a dielectric liner on the interconnect surface; removing (46) at least part of the dielectric liner on the interconnect surface; successively repeating (48) the deposition of the dielectric liner and the removal of the dielectric liner on the interconnect surface in so far as the interconnect surface is sufficiently protected by a remaining dielectric liner for forming of the plurality of air cavity trenches; and forming (50) at least one air cavity trench in-between the metal lines by etching the intertrack dielectric material.
    • 本发明提供了一种形成空气腔以改善IC通过失准问题的改进方法。 在集成电路的金属线之间形成空气腔沟槽的方法包括以下步骤:部分去除(42)沉积在互连结构表面上的介质电介质,以控制互连表面的金属线的顶表面之间的高度 和交织电介质的表面; 在所述互连表面上沉积(44)电介质衬垫; 在所述互连表面上移除(46)所述电介质衬垫的至少一部分; 在互连表面被用于形成多个空气腔沟槽的剩余电介质衬垫充分保护的范围内连续地重复(48)电介质衬垫的沉积和电介质衬垫在互连表面上的移除; 以及通过蚀刻所述轨道间介电材料,在所述金属线之间形成(50)至少一个气腔沟槽。