Full-Chip Voltage Contrast Inference Using Deep Learning; You Only Look Once: Voltage Contrast (YOLO-VC)


Abstract: The electron beam inspection methodology for voltage contrast (VC) defects has been widely adopted in the early stages of sub-10nm logic and memory technology development, as well as in new product introductions. However, due to throughput limitations, full-chip inspection at the 300mm wafer scale remains impractical for yield ramp and production applications. To address this challeng... » read more

Nontraditional Post Develop Inspection And Review Strategy For Via Defects


A viable in-line monitor for missing vias in the back end of line (BEOL) has traditionally been challenging due to the nature of the defects. Today’s available solutions do not meet the requirements of a true in-line and at-level monitor strategy. These solutions either indirectly monitor the defect further down the line, put production at risk of damage or contamination due to exceeding stri... » read more