发明名称 CRACKSTOP STRUCTURES AND METHODS OF MAKING SAME
摘要 An integrated circuit chip and a method of fabricating an integrated circuit chip. The integrated circuit chip includes: a continuous first stress ring proximate to a perimeter of the integrated circuit chip, respective edges of the first stress ring parallel to respective edges of the integrated circuit chip; a continuous second stress ring between the first stress ring and the perimeter of the integrated circuit chip, respective edges the second stress ring parallel to respective edges of the integrated circuit chip, the first and second stress rings having opposite internal stresses; a continuous gap between the first stress ring and the second stress ring; and a set of wiring levels from a first wiring level to a last wiring level on the substrate.
申请公布号 US2010013043(A1) 申请公布日期 2010.01.21
申请号 US20080174994 申请日期 2008.07.17
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 LIU XIAO HU;YANG CHIH-CHAO;YANG HAINING SAM
分类号 H01L29/00;H01L21/00 主分类号 H01L29/00
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