ACADto3Di Examples

The examples that follow should help new users to see how to draw and set up a 3D stackup. The AutoCAD drawing is provided along with the 3Di file and the stackup. Note: in most cases the metal and substrate thicknesses have been increased from their real life values to make the pictures nicer.

Download - qfp64.zip 33 KB zipped.

64 Pin Quad Flat Pack

This is a relatively simple lead frame with a die placed on it and two tiers of wires - downbonds to the package paddle and signal wires to the fingers.

The Stackup

The stackup is shown at right:

The Wire Profiles

Very simple wire models are used for both the downbonds and signal wires.