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Hybrid wafer dicing approach using a spatially multi-focused laser beam laser scribing process and plasma etch process

机译:使用空间多聚焦激光束激光划线处理和等离子体蚀刻工艺的混合晶片切割方法

摘要

Methods of dicing semiconductor wafers, each wafer having a plurality of integrated circuits, are described. In an example, a method of dicing a semiconductor wafer having a plurality of integrated circuits involves forming a mask above the semiconductor wafer, the mask composed of a layer covering and protecting the integrated circuits. The mask is then patterned with a spatially multi-focused laser beam laser scribing process to provide a patterned mask with gaps, exposing regions of the semiconductor wafer between the integrated circuits. The semiconductor wafer is then plasma etched through the gaps in the patterned mask to singulate the integrated circuits.
机译:切割半导体晶片的方法,描述具有多个集成电路的每个晶片。在一个示例中,切割具有多个集成电路的半导体晶片的方法包括在半导体晶片上方形成掩模,掩模由覆盖和保护集成电路的层组成。然后在空间多聚焦激光束激光划线过程中图案化掩模,以提供具有间隙的图案化掩模,在集成电路之间曝光半导体晶片的区域。然后,半导体晶片通过图案化掩模中的间隙蚀刻的等离子体来单一来单一地完成集成电路。

著录项

  • 公开/公告号US11011424B2

    专利类型

  • 公开/公告日2021-05-18

    原文格式PDF

  • 申请/专利权人 APPLIED MATERIALS INC.;

    申请/专利号US201916533590

  • 申请日2019-08-06

  • 分类号H01L21/82;B23K26/064;H01L21/3065;B23K26/067;H01L21/308;

  • 国家 US

  • 入库时间 2022-08-24 18:43:06

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