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Siemens EDA has developed a 'vector-based decoupled site and anchor point framework' to address the challenges of Optical Proximity Correction (OPC) for curvilinear masks.
Siemens EDA's curvilinear Optical Proximity Correction (OPC) technology is currently being used in production environments and is no longer a research project.
Leading-edge logic and memory foundries are adopting curvilinear Optical Proximity Correction (OPC) from Siemens EDA for their most advanced manufacturing processes.
A key innovation in Siemens EDA's Optical Proximity Correction (OPC) framework is the decoupling of 'sites,' where accuracy is evaluated, from 'anchor points,' which guide how corrections are applied.
Siemens EDA's vector-based OPC framework is designed to reduce unnecessary computation, resulting in simpler recipes and faster turnaround times for curvilinear masks.
The Optical Proximity Correction (OPC) framework from Siemens EDA is a vector-based approach, representing shapes using their mathematical descriptions of points, lines, and curves rather than as a collection of fragments.
By decoupling sites and anchor points, Siemens EDA's framework allows for placing optimization sites only where accuracy is most critical, such as at tight pitches, on complex curves, or in known hotspots.