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Andy_Macey
United Kingdom
1 Posts |
 Posted - 08 Jan 2009 : 17:34:08
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Hi. I understand that you can add soldermask and solder paste apertures to component pads using the "add exception" function from the design technology menu.
If the exception rules are added at the pad creation stage in the library, will these be brought through to the pcb layout when the components are added to the layout?
Sorry if this appears to be a stupid question. I'm using an evaluation copy where the save function is disabled, so I can't try it for myself.
Also, am I correct in thinking that the technology files are in effect a library container for the various pad/vias?
Thanks for your patience |
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Peter Johnson
United Kingdom
490 Posts |
Posted - 09 Jan 2009 : 13:38:44
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Well, technology files can certainly be used that way, and it would be appropriate in this case. If the pad style were only saved with the symbol, it might still import into the design correctly, but that would depend on some of the settings.
Technology files are used to copy a set of initial settings into new designs, and are opened in the background to provide the same settings as a resource for symbols.
That means that if a pad style is added to a custom technology file, then if the same file is used for symbols and designs, the pad style will be available as a resource in both cases. Pad exceptions are preserved in this case anyway, but the technology file will also hold the extra layer types and layers in support of the exceptions as well. |
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pad exceptions and technology files