>I've just had some 4-layer proto boards made in 48 hours by PWT in Welwyn, >UK. The price was reasonable - about 500 GBP for three boards and the >quality was excellent. I even got the red solder resist my client wants for >their production boards. > >Leon I already noticed that it greatly depends on where one lives. For those interested, 500GBP's are currently equal to ~$850. However, If you consider that I built my through hole plating station for roughly $1k (including PCB material to make 50 four layer 10x10cm boards and chemicals that last for the next 3 years) I still think that doing them on my own is a better deal (for me) in the mid to longer run. I also have solder stop mask (ok, green not red one) that I can laminate and chemicals for thin plating. So, if the need arises, I can create boards that are looking like made in a board house. On the other hand I do understand that it's not everyones thing to go that far. I just try to point out that to me this decision payed off already multiple times. I have the station now since this summer and it already payed off. Aapart from the finacial gain I agree with the original poster that the biggest win is having the boards quickly. I out myself as being a person that is making mistakes. In other words I never manage to design a board that is perfect right from begining. So I really apreciate the option of doing corrections to the design and finally have a homebrew PCB that looks and operates like the one I finally need. Of course, the series production is then made in a board house. It's just a dam good feeling to be 100% sure that all parts will fit into the housing, that plugs will fit well, that everything works like it should etc. etc. Before this I always got very nervous when I had to order say 1000 PCB's and the timely delay with (over here) afordable prototype PCB's made in a boardhouse just became a critical factor. I can't wait three weeks (where I probably would pay as much as you did for your five days) just to discover that another change is needed leading to another three weeks etc. etc. I figure though that this is also all a matter of experinece and well, abilities. I'm just able to do what I can.... Luky are are those able to do everything right for the first time! Markus
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Re: [Homebrew_PCBs] 4 layer diy
2003-11-24 by Markus Zingg
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