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 05 Aug 2005, 9:07 PM
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shaiqbashir
Joined on 07-22-2005
Posts 8
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Hi Guys!
plz clearify what is MOAT, and what is its use in the designing of a PCB?
Thanks in advance!
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11 Aug 2005, 11:41 AM
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rmann
Joined on 04-22-2002
Redondo Beach, CA, USA
Posts 1,765
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In ancient times the medieval castle had a big ditch, called a "moat" completely surrounding it for defense. By analogy, a "moat" on a PCB occurs on a plane layer - a layer that is mostly all-copper, like a ground or power plane. The moat is any continuous line of no-copper that serves to isolate one copper area from another. For example, a plane layer might be split into two different voltages, perhaps +5 volts and +3.3 volts. The line of no-copper that separates the two areas would be called a moat. Another example: the annular ring that isolates a thru-hole pad on a plane layer might be sometimes called a moat.
-Richard Mann
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OrCAD Community » OrCAD Community Forums » Copper Pour & Planes » Re: Concept of MOAT
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