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    • 68. 发明授权
    • Process for producing a sensor membrane substrate
    • 传感器膜基板的制造方法
    • US06365055B1
    • 2002-04-02
    • US09320402
    • 1999-05-26
    • Heribert WeberSteffen Schmidt
    • Heribert WeberSteffen Schmidt
    • H01L2984
    • G01L9/0048G01F1/6845G01F1/86
    • A process for producing a sensor membrane substrate, in particular, for a mass flow sensor or a pressure sensor, the substrate having on its front a membrane, which is fixed at the edge of an opening that is etched free from the back. The process includes the following steps: providing a substrate; local thickening the substrate in an area on the front opposite the edge, the thickened portion having a continuous transition to the substrate; depositing a membrane layer on the front having the locally oxidized area; and etching free the opening from the back to clear the membrane in such a way that the edge is located underneath the thickened area.
    • 一种用于制造传感器膜基材的方法,特别是用于质量流量传感器或压力传感器的基片,该基底在其前面具有膜,该膜固定在从背面被免去蚀刻的开口的边缘处。 该方法包括以下步骤:提供衬底; 在与边缘相对的前面的区域中局部加厚基底,加厚部分与基底有连续的过渡; 在前面沉积具有局部氧化区域的膜层; 并且从背面去除开口以使膜以使得边缘位于加厚区域下方的方式清除膜。
    • 70. 发明授权
    • Method for producing a metal structure in a semiconductor substrate
    • 在半导体基板中制造金属结构体的方法
    • US09048247B2
    • 2015-06-02
    • US14306164
    • 2014-06-16
    • Heribert Weber
    • Heribert Weber
    • H01L21/20H01L21/44H01L49/02
    • H01L28/60B81B7/0006H01L21/7682H01L21/76898H01L23/481H01L23/66H01L28/10H01L28/40H01L2924/0002H01L2924/00
    • A method for producing a metal structure in a semiconductor substrate includes: producing an opening in the rear side of the semiconductor substrate in the area of the metal structure to be produced, which extends to the front side layer structure; filling the opening at least partially with a metal so that a metal structure is created which extends from the rear side of the semiconductor substrate to the front side layer structure; masking the rear side of the semiconductor substrate for a trench process for exposing the metal structure in such a way that the trench mask includes a lattice structure in an area adjacent to the metal structure; producing an isolation trench adjacent to the metal structure, the metal structure acting as a lateral etch stop and the lattice structure being laterally undercut in the trench mask; and applying a sealing layer to the mask.
    • 在半导体衬底中制造金属结构体的方法包括:在要制造的金属结构的区域中,在半导体衬底的后侧产生延伸到前侧层结构的开口; 至少部分地用金属填充开口,从而形成从半导体衬底的后侧延伸到前侧层结构的金属结构; 掩蔽用于沟槽工艺的半导体衬底的背面,用于暴露金属结构,使得沟槽掩模在与金属结构相邻的区域中包括晶格结构; 产生与金属结构相邻的隔离沟槽,金属结构用作横向蚀刻停止层,并且栅格结构在沟槽掩模中横向底切; 以及向所述掩模施加密封层。