Patent ID: 9396957
Filing Date: 2016-07-19
CPC Classification: H01L,Y10T

Claim Text:
1. A patterned structure comprising a patterned layer located on an underlying material layer, said patterned layer comprising: a first stack comprising a first metal portion and a first dielectric metal-containing compound portion contacting a top surface of said first metal portion; a second stack comprising a second metal portion and a second dielectric metal-containing compound portion overlying at least a peripheral portion of said second metal portion, wherein outer sidewalk of said second stack are laterally spaced from inner sidewalk of said first stack by a same distance throughout an entire periphery of said second stack; and a trench located within said patterned layer, wherein said outer sidewalls of said second stack and said inner sidewalls of said first stack are sidewalls of said trench, and wherein said outer sidewalls of said second stack consists of sidewalls of said second dielectric metal-containing compound portion.