[time-nuts] PCB design questions thread II
James.P.Lux at jpl.nasa.gov
Tue Jun 3 11:51:41 EDT 2008
At 06:05 PM 6/2/2008, you wrote:
>Bob Paddock wrote:
> >>> 2. How many layers? In an ideal world with money no object, if I
> >>> understand the current art correctly, I think I'd probably aim for a five
> >>> layer
> > I assume that is a typo? You can not have an odd number of layers.
> > In this current 3D reality each layer has two sides. :-)
>Sure you can. I have done 3 layer, 5 layer, and 7 layer boards.
>Having done those, I will advise you not to do 3 layer, it warps. But
>everything else is easily do able.
>6 layer can be made by:
>2 side | 0 side | 2 side | 0 side | 2 side
>The only down side to odd numbers of layers is the supply house
>has to stock 1 sided laminate.
or etch ALL the copper off one side of two sided..
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