ERF Parameters for Signal Layer Checks

Parameters set in the ERF file control the analysis.

Screen Name

Parameter

Description

Categories Affected

Layer

pp_layer

Defines the layer to be affected by the action.

All categories

Spacing

pp_spacing

Defines search radius to use when looking for closely spaced features.

Via to Via

Pad to Pad

Pad to Circuit

Circuit to Circuit

Text to Text

Same Net Spacing

Drill to Cu

pp_d2c

Defines the search radius for copper features too close to drills, and also determines the maximum annular ring value to be reported.

NPTH to Pad

NPTH to Circuit

PTH to Copper

PTH Annular Ring

NPTH Annular ring

PTH (Comp) Annular Ring

Via Annular Ring

Tooling Hole to Exposed Copper

Sliver Min

pp_sliver

Maximum sliver width to be reported in the sliver category.

Sliver

Short Sliver

Exposure Spacing

pp_e_spacing

Maximum spacing between exposed copper features.

Exposed Via to Exposed Via

Exposed Via to Exposed Copper

Tests List

pp_tests

Defines the tests to be run. See “Tests Performed in Signal Layer Checks”.

All categories