Anova Law Group, PLLC
Test structure, fabrication method, and test method
The present disclosure provides test structures, fabrication methods thereof and test methods thereof. An exemplary test structure includes a substrate having a to-be-tested region having at least one fin and a peripheral region having at least one fin surrounding the to-be-tested region; an insulation layer covering portions of side surfaces of the fins; at least one first gate structure covering side and top surfaces of the fin in the to-be-tested region; second gate structures covering side and top surfaces of the fins in the peripheral region; source/drain regions formed in portions of the fins between adjacent second gate structures and portions of the fins between the first gate structure and adjacent second gate structures; and a plurality of first conductive structures formed between adjacent second gate structures in the peripheral region. The plurality of first conductive structures cross over and are on source/drain regions of at least two fins.
SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
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Yong
Li