CPC H01L 23/5256 (2013.01) [H01L 27/11206 (2013.01); H01L 21/32139 (2013.01)] | 20 Claims |
1. A fusible structure comprising:
a metal line extending along a first direction; and
a first dummy structure disposed proximal to the metal line relative to a second direction, the second direction being perpendicular to the first direction, the first dummy structure being in a metal layer; and
wherein:
relative to the first direction, the metal line includes first, second and third portions, the second portion being between the first portion and third portion;
relative to a third direction that is perpendicular to the first direction and the second direction, the first portion has a first thickness and the second portion has a second thickness, the first thickness is greater than the second thickness; and
the first dummy structure is proximal to the second portion of the metal line.
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