Integrated circuit chip with seal ring structure

  • US 7,667,302 B1
  • Filed: 09/09/2008
  • Issued: 02/23/2010
  • Est. Priority Date: 09/09/2008
  • Status: Active Grant
First Claim
Patent Images

1. An integrated circuit chip comprising:

  • an analog and/or RF circuit block;

    a seal ring structure surrounding said analog and/or RF circuit block;

    said seal ring structure comprises;

    a continuous outer seal ring; and

    a discontinuous inner seal ring divided into at least a first portion and a second portion;

    wherein said second portion is situated in front of said analog and/or RF circuit block for shielding a noise from interfering said analog and/or RF circuit block.

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