Klayout 25d View <99% LATEST>
CMP (chemical-mechanical polishing) requires uniform metal density across each layer. By viewing the layout obliquely, regions with excessive metal in lower layers become visible as "bumps" beneath upper layers, helping the designer identify potential dishing or erosion issues.
Example:
Are you tired of manually setting heights for 50 layers? KLayout’s Ruby/Python API allows you to script the 2.5D configuration. klayout 25d view
Example Python Script (Auto-extrude by layer name): Are you tired of manually setting heights for 50 layers
# This script sets heights based on layer name keywords
layout_view = RBA::Application.instance.main_window.current_view
lv = layout_view.active_layerview
for layer_index in lv.each_layer do
layer_info = lv.layer(layer_index)
name = layer_info.name.to_s.lower klayout 25d view
height = 0
if name.include?("metal2")
height = 60
elsif name.include?("metal1")
height = 30
elsif name.include?("poly")
height = 10
elsif name.include?("via")
height = 20
end