Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "John" <DiamondDyn@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Thursday, December 30, 2004 9:32 PM
Subject: [Homebrew_PCBs] Curious


>
>
> Hello everyone.. forgive me for being so clueless. i do some
> electronics work related to microcontrollers, embedded systems, and
> robitcs. I've only done a few circuit boards myself and I barely
> know the basics. I imagine that there's a lot more to know. I was
> wondering how high the quality of the boards you people make are?
> Are you producing boards that are on a commercial level? Something
> people would buy? I'm reading some of the messages here. I
> apoligize if this is a stupid question but I just wanted to find that
> out. I have to run but i plan on stopping by again to read and learn
> a lot. Thankks..

I've sold several of my home-made boards, mainly for working prototypes of
systems I've designed for clients. They've always been single-sided up to
now. I use conventional UV exposure with pre-coated material, and 1:1
artwork produced on a laser printer. They might not be very pretty but
people like being able to get something very quickly that they can evaluate.
I generally work to 12/12 mil design rules for my home-made PCBs, going down
to 10 mils if things get tight. The commercial boards that I have made by
PCB-Pool (double-sided PTH and four-layer) typically use 8/8 design rules
and 0.3 mm holes. PCB-Pool can go down to 6/6, but I haven't needed that
yet.

Leon



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