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From: Keith R. Williams
Subject: Re: What are these terms in PCB design?
Date: Sun, 6 Oct 2002 11:53:52 -0400
References: <email@example.com> <firstname.lastname@example.org> <email@example.com>
X-Newsreader: MicroPlanet Gravity v2.60
In article <firstname.lastname@example.org>, a?n?g?e?
> On Fri, 4 Oct 2002 10:52:02 -0400, Keith R. Williams
> >Wires (leads). The components stick trough and solder to the pads on
> >the bottom. You don't need plated holes because you don't have printed
> >wire on the top, so no vias nor component connection to top wiring is
> I'm still not 100% clear. Does this mean that the solder and the end
> of the trace will be the only thing connecting the lead to other
You still have the doughnut around the hole to solder to.
> You have understand, when I see the word plated hole, I see the copper
> ringed holes on the pre-drilled boards with 0.25mm holes. I get the
> feeling plated holes here mean holes plated on both sides for you,
> while I think of it as one side only.
"Plated holes" refer to copper deposited *inside* the holes
connecting one layer to another (top to bottom or even between
internal/external planes). If you have a single sided board
there is little or no reason to add this expense.
> >We've all been there. Some learned the lesson before you were born
> >(turned 32 two weeks ago ;-), but we've all made that stupid *ow* (as
> heehee, belated happy birthday. Mine's coming up soon enough...
> *sighz* 2nd time I'll be crossing from 19 to ... since coming online
> some 9 years ago?
19 is goodness. ;-)
> BTW, I swore I net knew you for longer than the 4
> years you quoted.
You're likely right. Perhaps six, ('96?). Time flies.
> >You might want to salvage that piece of magic that turns the
> >refrigerator light on only when someone's looking. ;-)
> Unfortunately, that's not going to work here :D
> The guys I'm making these things for, will probably look at them long
> and hard for a while :D
> I mean even I did when the prototype worked... it IS pretty.. so much
> so I decide to do one for my own use *grinz*
> Though I expect some manufacturer somewhere in China probably is mass
> producing a similar thing by the time I get this done!
Do you have this thingy up on a web site? Sounds interesting.
Maybe if it does get ripped off you won't have to make them for
all your friends (and theirs). ;-)
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