Cross-Bridge Kelvin Resistor (CBKR) structures for silicide-semiconductor junctions characterization

Analyzing the contact geometry factors for the conventional CBKR structures, it appeared that the contact geometries conventionally used for the metal-to-silicide contact resistance measurements were not always satisfactory to reveal the specific contact resistance values. To investigate these geometry-related issues, we therefore designed and realized new CBKR structures having a large variety of contact shapes, overlaps and diffusion area widths. The process flow was adjusted for self-aligned silicides as well as for planar silicide structures