Contents
How is the paste mask expansion defined in Altium?
The paste mask expansion can be defined for pads on an individual basis. While browsing properties for a selected pad through the Properties panel, options are available to follow the expansion defined in the applicable design rule, or to override the rule and apply a specified expansion directly to the individual pad in question.
What are the constraints for the paste mask expansion?
Default constraints for the Paste Mask Expansion rule. Expansion – the value applied to the initial pad shape to obtain the final shape on the paste mask layer. Enter a positive value to expand the initial pad shape, enter a negative value to contract it.
How to import CAM files in Altium Designer?
First, we will create a blank CAM file, look at some setup options and then import the necessary files using Quick Load. Create a new CAM document by selecting File » New » CAM Document from the menu. A new blank CAM document, CAMtastic1.Cam, opens in Altium Designer. Save the document by selecting File » Save (shortcut: CTRL + S ).
Where do I find fabrication output in Altium?
Fabrication Output can also be generated directly from within the active PCB document using the File » Fabrication Outputs menu options. Output settings configured via the PCB editor’s File or Reports menus are stored in the project file.
How to expand solder mask in Altium Designer 21?
Solder mask expansion can be defined for pads and vias on an individual basis. While browsing properties for a pad or via through the Properties panel, options are available to follow the expansion defined in the applicable design rule, or to override the rule and apply a specified expansion directly to the individual pad or via in question.
Is the pastemask expansion supposed to be negative?
The pastemask expansion is supposed to be negative (paste area smaller than the pad), right? My vendor said to use “0.1mm expansion” (I assume that means -0.1mm), but for minimum-size 0402 pads (0.6mm x 0.58mm), this causes the paste area to be only 44% of the copper area!