User Guide

DrawtheSilkScreen
First set the grid to a suitable value such as 0.254 mm (10 mil). Draw the
silk screen print in layer 21, tPlace. Note that it must not cover soldered
areas,asthiscancauseproblemswhentheboardscometobesoldered.
Do not use a line width below the minimum of 0.2 mm. The standard
valueis0.254mm(10mil).
It is also possible to create an additional, more detailed, silk screen for
documentation purposes in layer 51, tdocu. This may indeed cover sol
-
deredareas,sinceitisnotoutputalongwiththemanufacturingdata.
PackageNameandPackageValue
Thelabelingnowfollows.UsetheTEXTcommandandwrite
>NAME
inlayer25, tNames,forthenameplaceholder,and
>VALUE
in layer 27, tValues, as the placeholder for the value, and place this at a
suitable location. The texts can be separated and relocated at a later
stageusingSMASHandMOVE.
AreaForbiddentoComponents
In layer 39, tKeepout, you should create a forbidden area over the
whole component (RECT command) or draw a frame around the pack
-
age with the WIRE command. This allows the DRC to check whether
componentsonyourboardaretooclose,orevenoverlapping.
LocatingPoint
As soon as you have finished drawing the package, please check where
the coordinate origin is located. It should be somewhere near the middle
of the package. If necessary, use GRID to choose a suitable grid (e.g.
0.635mm),andshiftthewholepackagewithGROUPandMOVE.
First make sure that all the layers are made visible (DISPLAY ALL).
That is the only way to be sure that all the elements have indeed been
moved.
Description
Then click on Description in the description box. You can insert a de
-
tailed description of this package form here. The Rich Text format can
be used. This format is described in the program’s help system under
RichText .
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ComponentDesignExplainedthroughExamples