Silvaco Group, Inc. · NASDAQ:SVCO
Silvaco — Technical Presentation (2023)
12 slides from Silvaco's technical presentation, Jan 13, 2023
Slide 1: Power Device Solutions
Power Device Solutions Full TCAD to SPICE Flow
Slide 2: Contents
Contents • Silvaco Solution Enablers • Silicon Devices • GaN Specific Capability • GaN Devices • SiC Specific Process Capability • SiC Devices • Gallium Oxide Devices • SPICE Model Generation • Conclusions ©2023 Silvaco, Inc. 2
Slide 3: Silvaco Solution Enablers
Silvaco Solution Enablers • Efficient meshing for large devices • Material specific: • Direction dependent 3D oxidation • Implantation channeling • Dopant activation characteristics • Stress dependent piezo electric charge generation • Add additional test components with mixed mode • SPICE model cre
Slide 4: Silicon Devices
Silicon Devices • Standard processing, but… • Devices can be very large • Requires efficient meshing ©2023 Silvaco, Inc. 4
Slide 5: Silicon Devices
Silicon Devices • Suite of solvers for difficult simulations • Mixed Mode operation for standard circuit test loads • 3D plots rendered by layer thickness ©2023 Silvaco, Inc. 5
Slide 6: GaN Specific Capability
GaN Specific Capability • Calibrated implant activation and diffusion models (Si Mg) • Automated piezo electric charge calculations • External strain generated piezo electric charge ©2023 Silvaco, Inc. 6
Slide 7: GaN Devices
GaN Devices • Simulations verified by numerous measured results ©2023 Silvaco, Inc. 7
Slide 8: SiC Specific Process Capability
SiC Specific Process Capability • 3D directional oxidation rates • Dopant activation rates • Calibrated Monte Carlo implantation ©2023 Silvaco, Inc. 8
Slide 9: SiC Devices
SiC Devices • Temperature dependent velocity field characteristics • Anisotropic mobility, impact ionization rates Velocity-Field Characteristics for (0001) 6H SiC for 23 C, 135 C, and 320 C, Simulated (solid lines), Experimental (symbols) ©2023 Silvaco, Inc. 9
Slide 10: Gallium Oxide Devices
Gallium Oxide Devices • Large bandgap • High breakdown field • Limited to unipolar devices ©2023 Silvaco, Inc. 10
Slide 11: SPICE Model Generation
SPICE Model Generation • Utmost IV generates SPICE models from physical measurements or TCAD data • Tech Modeler universal Verilog A model generator • Physical lab measurements and modeling services ©2023 Silvaco, Inc. 11
Slide 12: Conclusions
Conclusions • Many material specific calibrated parameters • Powerful efficient meshing techniques • Mixed Mode device simulation with external components • Simulate self heating, destructive breakdown, transients, small signal, radiation effects etc. • SPICE model creation from physical measurement