Hello,
Part of my boiler plate is to write the layer name and order as a text string just outside the board outline on each gerber layer. I also write (negative) on the power planes. In addition to being unambiguous for the pcb maker (if they actually look at the gerbers!), it is a nice touch when I'm viewing the gerbers. I arrange the strings so they don't overlap, so you can read them when you are looking at more than one layer.
Richard
At 08:34 AM 2/7/2005, you wrote:
Hi All, My PCB vendor asks me that in order to correctly ascertain about the identity of Top Layer and Bottom Layer, I should manually write the string "TOP" in the Top Copper Layer and string "BOTTOM" in the Bottom Copper Layer. I tell him that this information is embedded in the Gerber File extensions itself. e.g Design.GTL and Design.GBL means that these files correspond to Top Copper and Bottom Copper Layers respectively.
I wanna ask whether this naming of Gerber file extensions by Protel conforms to standard Industry Practice or not ?. If yes, can someone comment about the legitimacy of my PCB Vendor's opinion that I need to mention the layer name in text manually. ?....
Regards, Adeel Malik.
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