Patent ID: 9691660
Date: 2017-06-27
CPC Classifications: H01L

Claim:
1. A method of forming an interconnect composed of metallized lines and vias in a workpiece, the method comprising: (a) applying a photoresist over a workpiece and patterning trenches for metal lines on the photoresist; (b) etching trenches into the workpiece by pattern etching; (c) forming metal lines in the workpiece, with the metal lines disposed in longitudinally spaced-apart line segments, the line segments spaced apart from each other end-to-end; and (d) forming vias in the workpiece, wherein at least one end of a first formed metal line constrains one cross-sectional dimension of a second formed via, or wherein at least one end of a first formed via constrains one cross-sectional dimension of a second formed metal line.