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    • 2. 发明专利
    • Semiconductor device with trench insulation and manufacturing method therefor
    • 具有TRENCH绝缘及其制造方法的半导体器件
    • JP2010219540A
    • 2010-09-30
    • JP2010094488
    • 2010-04-15
    • Infineon Technologies Agインフィネオン テクノロジーズ アクチエンゲゼルシャフト
    • SCHULER FRANZTEMPEL GEORG
    • H01L21/28H01L21/76H01L21/3065H01L21/762H01L21/763H01L27/08
    • H01L21/763H01L21/76229H01L21/76232
    • PROBLEM TO BE SOLVED: To provide a semiconductor device that has an active screening portion which is contact-connected in a bottom region of a trench insulation, and improves a screening effect and improves an integration density. SOLUTION: A trench insulation (STI, TTI) includes a deep insulation trench which has covering insulation layers 10, 11, a sidewall insulation layer 6 and a conductive filling layer 7. The conductive filling layer 7 is electrically connected to a given doped region 1 of the semiconductor substrate in a bottom region of the trench. A trench contact (DTC) includes a deep trench. The deep trench includes a sidewall insulation layer 6 and a conductive filling layer 7. The conductive filling layer 7 is electrically connected to a given doped region 1 of the semiconductor substrate in a bottom region of the contact trench. The trench contact (DTC) is used to reduce spatial requirement and to improve electrical screening properties. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种半导体器件,其具有在沟槽绝缘体的底部区域中接触连接的主动屏蔽部分,并且提高了屏蔽效果并提高了集成密度。 解决方案:沟槽绝缘(STI,TTI)包括具有覆盖绝缘层10,11,侧壁绝缘层6和导电填充层7的深绝缘沟槽。导电填充层7电连接到给定的 在沟槽的底部区域中的半导体衬底的掺杂区域1。 沟槽接触(DTC)包括深沟槽。 深沟槽包括侧壁绝缘层6和导电填充层7.导电填充层7在接触沟槽的底部区域中电连接到半导体衬底的给定掺杂区域1。 沟槽接触(DTC)用于减少空间需求并改善电气屏蔽性能。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Manufacturing method of semiconductor device
    • 半导体器件的制造方法
    • JP2006013341A
    • 2006-01-12
    • JP2004191573
    • 2004-06-29
    • Sanyo Electric Co Ltd三洋電機株式会社
    • KOUCHI SATOSHIHATA HIROTSUGU
    • H01L21/76H01L21/762H01L21/763
    • H01L21/763H01L21/76224
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of semiconductor device which can prevent the break of wire even when a wiring layer is formed on the upper surface of a recess in an isolating region and can form a passive element such as a capacitance element or the like because a flat surface can be substantially formed in the isolating region.
      SOLUTION: In the manufacturing method of semiconductor device, a part of the HTO film 13 covering the internal wall of a trench 12 is removed when a silicon oxide film 4 to be used for STI method is removed thereby forming a recess 16 in the isolating region. Thereafter, a TEOS film 17 is deposited on the upper surface of an epitaxial layer 3 including the recess 16, and an insulating spacer 18 is embedded into the recess 16 through the etching back.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:为了提供即使当在隔离区域的凹部的上表面上形成布线层时也可以防止线断裂的半导体器件的制造方法,并且可以形成无源元件,例如 电容元件等,因为平坦表面可以基本形成在隔离区域中。 解决方案:在半导体器件的制造方法中,当去除用于STI法的氧化硅膜4时,去除覆盖沟槽12的内壁的HTO膜13的一部分,从而形成凹槽16 隔离区域。 此后,在包括凹部16的外延层3的上表面上沉积TEOS膜17,并且通过蚀刻将绝缘间隔物18嵌入到凹部16中。 版权所有(C)2006,JPO&NCIPI