Screw2

Analyze the board to prevent damage.

More detailed information:
  • Screw Definition
    • Component Group
      • Component Group: Select a component group for screw assignment.
      • Measure Base: Select a measurement base.
    • Via Size: Recognize the specified via as a screw.
      • Pad Shape: Set the clearance measurement based on the pad shape of the screw.
      • Hole Shape: Set the clearance measurement based on the hole shape of the screw.
      • Hole Center: Set the clearance measurement based on the hole center of the screw.
    • Board Figure: Recognize the board figure as a screw.
      • Padstack: Set the padstack using a string filter. Use this when the screw was designed with the board figure pad.
        • Pad Shape: Set the clearance measurement based on the pad shape of the screw.
        • Hole Shape: Set the clearance measurement based on the hole shape of the screw.
        • Hole Center: Set the clearance measurement based on the hole center of the screw.
      • Figure Diameter: Recognize an object designed with Figure hole using the hole size as the screw.
        • Hole Shape: Set the clearance measurement based on the hole shape of the screw.
        • Hole Center: Set the clearance measurement based on the hole center of the screw.
  • Silt Definition
    • Distance to slit area from a screw measure base: Define an area to find a slit hole.
    • Silt Layer: Select a layer that is drawn in the slit hole.


    Figure 1.
  • Checking
    • Recognize Selected Component’s Placed Side as Top: Recognize the component placed layer as the top layer.
    • Clearance to Component
      • Item: Specify the item name.
      • Component Group: Select the component group for analysis.
      • Measure Base: Select a measurement base.
      • Screw: Select a screw for analysis.
      • Screw Measure Base: Select a measurement base for the screw.
      • Top Clearance: Set the clearance between the screws and components placed on the top layer.
      • Bottom Clearance: Set the clearance between the screws and components placed on the top layer.
    • Remainder: Set the clearance for the remainder.
      • Item: Specify the item name.
      • Component Measure Base: Select a measurement base.
      • Screw: Select a screw for analysis.
      • Screw Measure Base: Select a measurement base for the screw.
      • Top Clearance: Set the clearance for the analysis between the screws and components placed on the top layer.
      • Bottom Clearance: Set the clearance for the analysis between the screws and components placed on the top layer.
      • Except for SMD Pins, not having Metal-Mask: Exclude the SMD component’s pin that does not have metal mask data.
    • Clearance to Via: Set the clearance between the screw and via for the top, bottom, and inner layer.
      • Item: Specify the item name.
      • Screw: Select a screw for analysis.
      • Screw Measure Base: Select a measurement base for the screw.
      • Target: Select a target object for analysis among Screw, Slit, and Screw+Slit.
      • Top Clearance: Set the clearance between the screws and vias on the top layer.
      • Inner Clearance: Set the clearance between the screws and vias on the inner layer.
      • Bottom Clearance: Set the clearance between the screws and vias on the bottom layer.
    • Clearance to Pattern: Set the clearance between the screw and pattern for the top, bottom, and inner layer.
      • Item: Specify the item name.
      • Screw: Select a screw for analysis.
      • Screw Measure Base: Select a measurement base for the screw.
      • Target: Select a target object for analysis among Screw, Slit, and Screw+Slit.
      • Top Clearance: Set the clearance between the screws and route patterns on the top layer
      • Inner Clearance: Set the clearance between the screws and route patterns on the inner layer.
      • Bottom Clearance: Set the clearance between the screws and route patterns on the bottom layer.
      • Except Net Segments under Pad Area: Exclude a nets existence in the component pad area during analysis.
    • Clearance to Copper: Set the clearance between the screw and copper-pour for the top, bottom, and inner layer.
      • Item: Specify the item name.
      • Screw: Select a screw for analysis.
      • Screw Measure Base: Select a measurement base for the screw.
      • Target: Select a target object for analysis among Screw, Slit, and Screw+Slit.
      • Top Clearance: Set the clearance between the screws and copper polygons on the top layer.
      • Inner Clearance: Set the clearance between the screws and copper polygons on the inner layer.
      • Bottom Clearance: Set the clearance between the screws and copper polygons on the bottom layer.
    • Exclude Ground Net: Exclude the ground net from analysis by using the string filter.
    • Exclude Same Net: Exclude nets connected to the screw from the analysis.
    • Slit existence check: Check the existence of slits around the screws that are inspected.