EUV

  • Embedded Multilayer Mirror Defects (download a recent presentation
    • Arbitrary Defect Geometry (video)
    • Inspect-ability
    • Print-ability
  • Off-axis Shadowing Effects, H-V bias (including Non-Constant Scattering Coefficients)
  • Absorber Stack Analysis (EM-Stack video)
  • Absorber Profile (sidewall & corner rounding) (video)
  • Absorber Defects
  • OPC for EUV (small area)
  • Multilayer Mirror Structure (PSM)
 

Immersion

  • polarization effects
  • high-index immersion lithography
  • immersion bubble
 

Resist

  • PEB Diffusion Effects
  • Surface Inhibition
  • Temperature Effects
  • Sidewall analysis
  • Inner-Outer corner bias analysis
  • CALPM, Full-physics, Diffused Image models
  • EUV & DUV resists
 

GDS-II/Layout

  • Rigorous/Scalar model-based OPC of small area
  • Bias, Round, Manhattanize, Combine and Clip operations
  • Import geometry
  • Convert 2D pattern to 3D mask
 

Other

  • Double Exposure
  • Mask Inspection
  • Wafer Inspection
  • Scatterometry
  • Grating Analysis (1D & 2D)
  • Laser Spectral Bandwidth (video)
 

Double Patterning

  • Litho-Etch Litho-Etch
  • Litho-Freeze Litho-Etch
  • Sidewall Spacer
  • Wafer topography effects (video)
    • Non-planar resist
    • Underlying features from 1st exposure
 

Phase Shift Masks

  • Alternating PSM: Intensity imbalance between shifed and unshifted openings
  • Phase defects
  • Wet etch/dual-trenching
  • Chromeless Phase Lithography
  • Attenuated Phase Shift Masks
 

DUV Binary Masks

  • OPC Verification
  • Line-end shortening
  • Iso-dense bias
 

Film Stack Analysis

  • BARC Optimization
  • Multilayer Mirror Reflectivity
  • Resist thickness effects