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    • 18. 发明授权
    • Method of providing a semiconductor IC device with an additional
conduction path
    • 提供具有附加传导路径的半导体IC器件的方法
    • US5026664A
    • 1991-06-25
    • US334145
    • 1989-04-06
    • Mikio HongoKatsuro MizukoshiShuzo SanoTakashi KamimuraFumikazu ItohAkira ShimaseSatoshi HaraichiTakahiko Takahashi
    • Mikio HongoKatsuro MizukoshiShuzo SanoTakashi KamimuraFumikazu ItohAkira ShimaseSatoshi HaraichiTakahiko Takahashi
    • H01L21/3205H01L21/768H01L23/52
    • H01L21/76838H01L21/32051H01L21/76892Y10S148/093
    • A semiconductor IC device having a substrate, a patterned conductor layer for interconnection of regions in the substrate and a passivation layer covering the device is provided with an additional conduction path of a pattern and/or part of the patterned conductor layer is removed for disconnection for the purpose of evaluation of the characteristics of the device. The additional conduction path is formed by forming a hole in the passivation layer to expose a part of the conductor layer, directing, in an atmosphere containing a metal compound gas, an ion beam onto the hole and onto a predetermined portion of the passivation layer on which the additional conduction path of a pattern is to be formed to thereby form a patterned film of the metal decomposed from the metal compound gas and forming an additional conductor on the patterned film. The provision of the additional conduction path and/or the removal of part of the patterned conductor layer is preformed in a chemical vapor deposition apparatus which includes a vacuum chamber and an ion beam radiation unit having a housing partitioned into, for example, first, second and third compartments. The ion beam radiation unit has an ion source placed in the first compartment, an ion beam focusing and deflecting device placed in the second compartment and pressure buffer constituted by the third compartment. The third compartment is coupled to and pneumatically isolated from the vacuum chamber for conducting an ion beam emitted from the ion source, passing the second compartment and ejected from the second compartment to the vacuum chamber.
    • 具有衬底,用于衬底中的区域的互连的图案化导体层和覆盖该器件的钝化层的半导体IC器件被设置有去除图案和/或图案化导体层的一部分的附加传导路径用于断开 评估设备特点的目的。 附加传导路径是通过在钝化层中形成一个孔而露出导体层的一部分而形成的,该导体层的一部分在包含金属化合物气体的气氛中引导离子束到孔上并延伸到钝化层的预定部分上 其形成图案的附加传导路径,从而形成从金属化合物气体分解的金属的图案化膜,并在图案化膜上形成附加导体。 提供额外的传导路径和/或去除图案化的导体层的一部分在化学气相沉积设备中预先形成,该化学气相沉积设备包括真空室和离子束辐射单元,该单元具有被分隔成例如第一,第二 和第三个隔间。 离子束辐射单元具有放置在第一隔室中的离子源,放置在第二隔室中的离子束聚焦和偏转装置以及由第三隔间构成的压力缓冲器。 第三隔室与真空室联接并气动隔离,用于传导从离子源发射的离子束,通过第二隔室并从第二隔室喷射到真空室。