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    • 5. 发明授权
    • SEMICONDUCTOR CHIP INCLUDING AN ENHANCED STRUCTURAL STRENGTH OF CHIP PAD STRUCTURE
    • 半导体芯片,包括芯片结构的增强结构强度
    • KR100741910B1
    • 2007-07-16
    • KR20060068719
    • 2006-07-21
    • DONGBU ELECTRONICS CO LTD
    • KIM JIN HAN
    • H01L23/48H01L21/60
    • H01L24/05H01L21/76838H01L24/03H01L24/48H01L2224/04042H01L2224/05093H01L2224/05095H01L2224/05553H01L2224/05556H01L2224/05599H01L2224/48091H01L2224/48463H01L2224/85399H01L2924/00014H01L2924/01004H01L2924/01005H01L2924/01006H01L2924/01014H01L2924/01033H01L2924/01082H01L2924/12043H01L2924/13091H01L2924/19043H01L2224/45099H01L2924/00
    • A semiconductor chip having a chip pad structure with improved structural strength is provided to increase the structural strength of an interlayer dielectric with respect to the external weight applied to a conductive pad by forming a contact plug and a metal interconnection layer under a peripheral part of the conductive pad and by interconnecting a plurality of interlayer dielectrics through a center part of the pad. A semiconductor device is formed on a semiconductor substrate(Sub). The semiconductor device is electrically connected by a plurality of metal interconnection layers(M1,M2). A plurality of interlayer dielectrics are interposed between the semiconductor device and the metal interconnection layer and between the plurality of metal interconnection layers. A conductive pad is formed on the uppermost interlayer dielectric, electrically connected to an external circuit. The conductive pad is defined as a pad center part(220) and a pad peripheral part(240). At least one of the plurality of metal interconnection layers are formed under the conductive pad overlaps the lower part of the pad peripheral part except the pad center part. Two interlayer dielectrics formed in the upper and lower portions of the metal interconnection layer formed under the pad peripheral part are interconnected through the lower region of the pad center part. The metal interconnection layer formed in the pad peripheral part can be disposed in the uppermost layer of the plurality of metal interconnection layers.
    • 提供了具有改进的结构强度的芯片焊盘结构的半导体芯片,以通过在接触插塞和金属互连层的周边部分之下形成接触插塞和金属互连层来增加层间电介质相对于施加到导电焊盘的外部重量的结构强度 并且通过将多个层间电介质通过焊盘的中心部分互连。 半导体器件形成在半导体衬底(Sub)上。 半导体器件通过多个金属互连层(M1,M2)电连接。 在半导体器件和金属互连层之间以及多个金属互连层之间插入多个层间电介质。 导电焊盘形成在最上层的层间电介质上,与外部电路电连接。 导电焊盘被定义为焊盘中心部分(220)和焊盘周边部分(240)。 多个金属互连层中的至少一个形成在导电垫之下,与衬垫中心部分以外的垫周边部分的下部重叠。 形成在焊盘周边部分下方的金属互连层的上部和下部形成的两个层间电介质通过焊盘中心部分的下部区域相互连接。 形成在焊盘周边部分中的金属互连层可以设置在多个金属互连层的最上层中。