VisualTCAD 1.9.1-5

2017.1.16

Genius Device Simulator

  • New features
  • add new material: ITO
  • implement impact-ionization for GaN
  • support TID effect in floating-gate and nano-crystal flash memory
  • Misc. bug fixes

Gds2Mesh

  • Bug fixes
    • fixes a bug in GDSII file reading
    • removes unnecessary system library dependency

VisualTCAD 1.9.1-2

2016.10.9
  • Supports Ubuntu16.04LTS
  • Supports FlexLM Dongle

Genius Device Simulator

  • New features
    • Support for 128-bit quad-precision floating-point numbers in simulation (RHEL7/Ubuntu1404 and later)
  • Bug fixes
    • fix bug in importing variables from mesh files
    • improve mesh quality with the Eliminate command

Gds2Mesh

  • New features
    • Export structure in STEP format, compatible with FDTD simulator CEM.

VisualTCAD

  • Bug fixes and improvements
    • Improve default lighting in 3D visualization
    • Bug fixes in the scripting interface of the 2D visualization CV2D

VisualParticle

  • New features
    • New programs: GIon/GProton for accelerated Monte-Carlo integration of events involving elastic and inelastic collision in the device
    • Added support for tau and mu particles

VisualTCAD 1.9.0-2

2016.07.24

Genius Device Simulator

  • New features
    • Support for strain-dependent carrier mobility model
    • Boundary command parameter id now supports regular expression
  • Bug fixes
    • fix bug in relative convergence criteria
    • fix bug in importing doping species profile with incomplete ionization switched on

VisualTCAD

  • Bug fixes and improvements
    • Misc improvements and bug fixes in two dimensional visualization module CV2D

VisualTCAD 1.9.0

2016.01.20

Genius Device Simulator

  • New features
    • Total Ionizing Dose (TID) effect solver enhanced, hydrogen center in oxide supported.
    • Oxygen-Rich Polycrystalline Silicon material (widely used in power devices) supported.
  • Bug fixes
    • A bug fixed in Single Event Effect (SEE) simulation with cylindrical meshes

VisualTCAD

  • New features
    • Re-meshing sup file (generated by process simulator suprem4) supported.
  • Bug fixes and improvements
    • Misc improvements and bug fixes in two dimensional visualization module CV2D

Gds2Mesh

  • New features
    • Besides of NETGEN, a new mesh generator CTET added. CTET is more stable in geometry operations.

Suprem4

  • Bug fixes and improvements
    • bugs fixed, stability improved.

VisualTCAD 1.8.2-9

2015.10.1

Genius Device Simulator

  • Bug fixes
    • Fixed miscellaneous bugs in mixed-mode transient simulation.
    • Improved imcomplete ionization model support in SiC materials.

VisualTCAD 1.8.2-8

2015.9.20

Genius Device Simulator

  • Bug fixes and improvements
    • Improved convergence of TID solver.
    • Fixed a bug in SiC Masetti mobility model.
    • Fixed numerical round off problem about cylinder mesh generator CY2D and CY3D.
    • Fixed a bug in mixed-mode simulation when "solderpad" boundary is in contact with an insulator material region.
    • Fixed a bug in mixed-mode simulation where two sequential transient simulations suffers from a discontinuity in node voltage.
    • Support export of SPICE device internal state variables along with nodesets, so mixed-mode transient simulation can be restarted from a previously saved state without discontinuity.
    • Improved auto time step control of mixed-mode simulation.

VisualTCAD 1.8.2-6

2015.7.10

Genius Device Simulator

  • New features
    • New solver for Total-Ionizing Dose (TID) effect.
    • Support simulation of x-ray pulse (dose-rate) effect.
    • Updated material models: diamond, 4H-SiC, GaAsSb, GaP, etc.
    • New VTK data structure to store field values on both sides of an interface in VTK files.
    • Support trap and other customer field definition in TIF files.
    • Added cylindrical mesh generator for modeling devices such as particle detectors.
    • Import several TIF mesh files at a time.
  • Bug fixes
    • Fixed a bug of AC solver. It failed when more than 2 metal regions shares one point.
    • Fixed several bugs in DF-ISE importor.
      • enable element data.
      • determine data type by function name instead of dataset name.
    • Fixed a bug of n_ie calculation with bandgap narrowing effect.
    • Fixed a bug in driving force of carriers with varying affinity, Nc, Nv, Eg, BGN.

Older Releases

Year 2014 and older