Editing Screen printing (section)

== {{anchor|PCB}}Printed circuit boards (PCB) ==
{{anchor|Eagle|KiCad|TARGET|Fritzing|OrCAD|PADS|WE|Gerber}}In [[electronic design automation]], the silk screen is part of the [[layer stack]] of the [[printed circuit board]] (PCB), and the top and bottom sides are described in individual [[Gerber file]]s like any other layers (such as the copper and [[solder-stop layer]]s).<ref name="Wright_2007"/> Typical names for these ''service print overlays'' include <code>tSilk</code>/<code>bSilk</code> aka <code>PLC</code>/<code>PLS</code><ref name="CadSoft_1999"/><ref group="nb" name="NB_EAGLE_C-S"/> or <code>TSK</code>/<code>BSK</code> ([[EAGLE (program)|EAGLE]]), <code>F.SilkS</code>/<code>B.SilkS</code> ([[KiCad]]), <code>PosiTop</code>/<code>PosiBot</code> ([[TARGET (EDA tool)|TARGET]]), <code>silkTop</code>/<code>silkBottom</code> ([[Fritzing]]), <code>SST</code>/<code>SSB</code> ([[OrCAD]]), <code>ST.PHO</code>/<code>SB.PHO</code> ([[PADS (CAD software)|PADS]]), <code>SEVS</code>/<code>SERS</code> ([[WEdirekt]])<ref name="WE_2020"/> or <code>GTO</code>/<code>GBO</code> (Gerber and many others<!-- Protel, Altium --><ref name="Altium_2011"/>).