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US 2010/0059867 A1Published application
Integrated circuit chip with seal ring structure
AssigneeMediatek Inc.
InventorsTien-Chang Chang, Shi-Bai Chen, Tao Cheng
Life of this patent
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Abstract
An integrated circuit chip includes an analog and/or RF circuit block, a digital circuit, and a seal ring structure surrounding and protecting the analog and/or RF circuit block. The 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. The second portion is situated in front of the analog and/or RF circuit block for shielding a noise from interfering the analog and/or RF circuit block.
Claims14
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.
4 more elements
A seal ring structure of an integrated circuit chip, comprising:
- 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 an analog and/or RF circuit block of said integrated circuit chip for shielding a noise from interfering said analog and/or RF circuit block.
Dependencies are inferred from the claim text.