Design for Manufacture Analysis

Category Format

Analysis Constraints

Internal Attribute Names

Fabrication Analysis

Assembly Analysis

System

Performing DFM Analysis

Setting DFM Analysis Preferences for PADS Layout

Modifying Analysis Constraints

Creating Feature Attribute Rules

Running DFM Analysis

Terminology

Fabrication Analysis - Drill Checks

Tests Performed in Drill Checks

Attributes Used in Drill Checks

Thermal Connection

PCB Aspect Ratio

Categories in Drill Checks

PTH Summary (Hole Size)

NPTH Summary

Via Summary (Hole Size)

Plated Slot Summary (Hole Size)

Tooling Holes (Hole Size)

Mounting Holes (Hole Size)

Duplicate Holes (Hole Separation)

Touching Holes (Hole Separation)

Close Holes (Hole Separation)

Missing Holes (Missing Holes)

No Thermal (Thermal Connection)

TH Aspect Ratio (PCB Aspect Ratio)

ERF Parameters for Drill Checks

ERF Variables for Drill Checks

Fabrication Analysis - Signal Layer Checks

Tests Performed in Signal Layer Checks

Attributes Used in Signal Layer Checks

DFM Analysis Compatibility for Signal Layer Checks

Annular Ring Measurement

Sliver and Short Sliver Categories (Signal Layer Checks)

Categories in Signal Layer Checks

Via to Via (Spacing)

Pad to Pad (Spacing)

Pad to Circuit (Spacing)

Circuit to Circuit (Spacing)

Text to Text (Spacing)

Text Touches Copper (Spacing)

Spacing Length (Spacing)

Same Net Spacing (Spacing)

CAD Self Spacing (Spacing)

NPTH to Pad (Drill)

NPTH to Circuit (Drill)

PTH to Copper (Drill)

PTH to Copper Same Net (Drill)

PTH Registration (Drill)

NPTH Registration (Drill)

NPTH Annular Ring (Drill)

PTH Annular Ring (Drill)

PTH (Comp) Annular Ring (Drill)

Blind Via Annular Ring (Drill)

Buried Via Annular Ring (Drill)

Via to Copper (Drill)

Tooling Hole to Exposed Copper (Drill)

Pads (Size)

Lines (Size)

Shaved Line (Size)

Text (Size)

Line Neckdown (Size)

Arc (Size)

Shaved Arc (Size)

Conductor Width (Size)

Sliver (Sliver) (Signal Layer)

Short Sliver (Sliver) (Signal Layer)

Stubs (Stubs)

SMD Pads (SMD)

Exposed Via to Exposed Via (Exposure)

Exposed Via to Exposed Copper (Exposure)

ERF Parameters

ERF Variables

Fabrication Analysis - Power and Ground Checks

Tests Performed in Power and Ground Checks

Attributes Used in Power and Ground Checks

DFM Analysis Compatibility for Power and Ground Checks

Sliver and Short Sliver Categories (Power and Ground)

Categories in Power and Ground Checks

NPTH to Copper (Drill)

PTH Annular Ring (Drill)

PTH to Copper (Drill)

Via to Copper (Drill)

PTH Contains Clearance (Drill)

Via Contains Clearance (Drill)

PTH to Plane (Drill)

Via to Plane (Drill)

NPTH to Plane (Drill)

NPTH Contains Copper (Drill)

Missing Cu for Vias (Drill)

PTH Registration (Drill)

NPTH Registration (Drill)

Via Registration (Drill)

Sliver (Sliver)

Short Sliver (Sliver)

Spoke Width (Thermal)

Thermal Connect Reduction (Thermal)

Plane Spacing (Plane Spacing)

Segmentation Lines (Plane Spacing)

ERF Parameters

ERF Variables

Fabrication Analysis - Solder Mask Checks

Tests Performed in Solder Mask Checks

Attributes Used in Solder Mask Checks

DFM Analysis Compatibility for Solder Mask Checks

Sliver and Short Sliver Categories (SM)

Polarity for Solder Mask Layers

Categories in Solder Mask Checks

PTH Annular Ring (Drill)

NPTH Annular Ring (Drill)

Via Annular Ring (Drill)

NPTH Touches Mask (Drill)

PTH Gasket (Drill)

Via Gasket (Drill)

SMD Annular Ring (Pads)

Pad Annular Ring (Pads)

PTH Pad Annular Ring (Pads)

NPTH Pad Annular Ring (Pads)

Via Pad Annular Ring (Pads)

SMD Pad Gasket (Pads)

PTH Pad Gasket (Pads)

NPTH Pad Gasket (Pads)

Via Pad Gasket (Pads)

Undrilled Pad Gasket (Pads)

Coverage (Coverage)

SM Sliver (Sliver)

SM Short Sliver (Sliver)

Missing SMD Clearance (Missing)

Missing Undrilled Pad Clearance (Missing)

Missing NPTH Clearance (Missing)

Missing PTH Clearance (Missing)

Missing Via Clearance (Missing)

Missing Testpoint Clearance (Missing)

Pad to Pad Spacing (Spacing)

Pad to Non-Pad Spacing (Spacing)

Non-Pad to Non-Pad (Spacing)

Extra SM - Missing Copper (Extra)

ERF Parameters for Solder Mask Checks

ERF Variables for Solder Mask Checks

Fabrication Analysis - Silk Screen Checks

Tests Performed in Silk Screen Checks

Attributes Used in Silk Screen Checks

Grouping of Silk Screen Results

Limitations in Silk Screen Checks

Categories in Silk Screen Checks

SM Clearance (SM Clearance)

SMD Clearance (SMD Clearance)

PTH Pads Clearance (Pad Clearance)

Via Pads Clearance (Pad Clearance)

NPTH Pads Clearance (Pad Clearance)

Undrilled Pads Clearance (Pad Clearance)

NPTH Clearance (Hole Clearance)

PTH Clearance (Hole Clearance)

Via Clearance (Hole Clearance)

Line Widths (Line Width)

String Line Width (String Properties)

ERF Parameters for Silk Screen Checks

ERF Variables for Silk Screen Checks

Fabrication Analysis - Board-Drill Checks

Attributes Used in Board-Drill Checks

Categories in Board-Drill Checks

Via to Via

Via to PTH

Via to NPTH

Via to Rout

PTH to PTH

PTH to NPTH

PTH to Rout

NPTH to NPTH

NPTH to Rout

ERF Parameters for Silk Screen Checks

ERF Variables for Silk Screen Checks

Assembly Analysis - Component Analysis

Tests Performed in Component Analysis

Attributes Used in Component Analysis

Component Outline

Dynamic Categories

Classification by Process Area

Classification by Component Type

Example of User-Defined Component Type Classification

Classifying Results by a User Defined Component Attribute

Classification by Component Side

Categories in Component Analysis

Comp. Under Component (Spacing)

Comp. Overlap (Spacing)

ERF Parameters for Component Analysis

ERF Variables for Component Analysis

Assembly Analysis - Testpoint Analysis

Tests Performed in Testpoint Analysis

Attributes Used in Testpoint Analysis

Categories in Testpoint Analysis

Testpoint to Testpoint (Spacing)

Testpoint to Exposed Copper (Spacing)

Testpoint Density (Spacing)

ERF Parameters for Testpoint Analysis

ERF Variables for Testpoint Analysis

Assembly Analysis - Solderpaste Analysis

Tests Performed in Solderpaste Analysis

Attributes Used in Solderpaste Analysis

Categories in Solderpaste Analysis

Non-SMD Pads with Solderpaste (SMD)

SMD Pad Without Solderpaste (SMD)

ERF Parameters for Solderpaste Analysis

ERF Variables for Solderpaste Analysis

DFMA Result Viewer

Result Viewer Workspace

Layer List

Result Categories Pane

Details Pane

Overview Pane

Board View of the Result

Result Viewer Tools

Grid and Snap Options

Setting Grid and Snap Options

Locations of Snap Points

Snap Hot Keys

Filtering and Reporting Results

Filtering by Layer

Filtering by Board Area

Filtering with a Histogram

Flagging Results

Creating a Results Report

Third-Party Information