Re: gEDA-user: sparkfun 4 layer boards

[Dave N6NZ <n6nz@xxxxxxxx>]

Eric Brombaugh wrote:
> 
> What sort of shorts are you seeing? I'm assuming that on a 2-layer  
> board they would ordinarily be pretty easy to correct by appropriate  
> use of an knife. Or are they internal/inaccessible? Is that even  
> possible on a 2-layers?

You'd think they'd be easy to find.  On the board I blindly assembled, 
there was a short to the ground plane somewhere.  I spent more time than 
it was worth looking for it, and scraped away at a couple of suspicious 
spots with an X-acto knife.  Never did isolate it.  On the second 
shorted board, it was another short to the power plane somewhere.  After 
I confirmed it, I just marked the board and threw it in the NFG pile.

> 
> Eric
> 
> who has one successful design through Batch PCB (3x6 board, ordered  
> one copy & got two) and is waiting for another to come in the mail (5  
> copies of one small board) - hopefully next week.

Good luck with that.  I've had generally good luck with BatchPCB -- the 
ironic thing about this design is that I was using less aggressive 
design rules than I usually do.

-dave





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