STRUCTURE AND METHOD FOR LATCHUP IMPROVEMENT USING THROUGH WAFER VIA LATCHUP GUARD RING
First Claim
Patent Images
1. A structure, comprising:
- a latchup sensitive structure; and
a through wafer via structure bounding the latch-up sensitive structure to prevent parasitic carriers from being injected into the latch-up sensitive structure.
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Abstract
A structure for preventing latchup. The structure includes a latchup sensitive structure and a through wafer via structure bounding the latch-up sensitive structure to prevent parasitic carriers from being injected into the latch-up sensitive structure.
15 Citations
20 Claims
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1. A structure, comprising:
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a latchup sensitive structure; and a through wafer via structure bounding the latch-up sensitive structure to prevent parasitic carriers from being injected into the latch-up sensitive structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A structure comprising:
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a latchup sensitive structure; and a guard ring that bounds the latchup sensitive structure to isolate the latchup sensitive structure from an external source. - View Dependent Claims (16, 17, 18, 19)
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20. A design structure embodied in a machine readable medium for designing, manufacturing, or testing an integrated circuit, the design structure comprising a latchup sensitive structure, and a guard ring that bounds the latchup sensitive structure to isolate the latchup sensitive structure from an external source.
Specification