Electro-Thermo-Mechanical Physics for Actuators and Bolometers
Solving the Complex Numerical Challenges of Simulating Microbolometers
CoventorWare provides a fully coupled Electro-Thermo-Mechanical solver, employing finite elements which efficiently model the multi-material, composite thin films used in this application.
Multiple Coupled Physical Domains
Microfabricated Composite Assemblies
High Aspect Ratio Structures
Multiple Simulation Domains
CoventorWare for Electro-Thermo-Mechanical Analysis
Coupling CoventorWare’s layout- and process-driven methodology with its versatile solver addresses all of the requirements for microbolometer design, enabling rapid design exploration in a single, unified environment. Fundamental design characteristics simulated in CoventorWare including thermal conductance G, time constant τ, total heat capacity C, electrical resistance R, voltage-temperature relationship V-T, current-voltage (I-V) curves, as well as the operational time response of the complete sensor to the application of incident radiation.
2D plot showing the time evolution of a microbolometer’s maximum temperature when exposed to incident radiation, including electronic pulse perturbation
3D contour plot animation illustrates the distribution of temperature across the device as a function of time