Never seen anything like that before. Could it be heating? I kinda looks like a car mirror heating pattern. Regards, Joris. ----- Original Message ----- From: Andre Abelian To: Sent: Monday, February 11, 2002 7:30 PM Subject: [EE]: about PCB traces > Hi to all, > > Apologize if the tag isn't right. > Friend of mine sent me a picture of this attached board > that I couldn't recognize the purpose of traces being like that. > The board is hatched by very specific way > Any idea why traces are like that? Is it for RF? > > Andre > > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics