Integrated circuit chip with seal ring structure
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United States of America Patent
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Aug 14, 2012
Grant Date -
Apr 29, 2010
app pub date -
Dec 31, 2009
filing date -
Sep 9, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An integrated circuit chip includes an analog and/or RF circuit block and a seal ring structure surrounding the analog and/or RF circuit block. The seal ring structure comprises a continuous outer seal ring and an inner seal ring, wherein the inner seal ring comprises a gap that is situated in front of the analog and/or RF circuit block.
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