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Subject: Re: [Homebrew_PCBs] Re: Another rookie starts a high volume pcb project.

From: Mycroft2152 <mycroft2152@...>
Date: 2005-07-14

Hi Phil,

Don't be hung up on very thin traces. Having wide
traces means less copper to etch away. Only use the
thinnest to get the circuit laid out.

You my want to post a photo of the pcb or else the
layout for comments.

Myc

--- Phil <phil1960us@...> wrote:

> I typically use 12 mil. I can make 10 mil traces as
> well but 12 mil
> is a little more forgiving.
>
> --- In Homebrew_PCBs@yahoogroups.com, "Mike
> Phillips"
> <mikep_95133@y...> wrote:
> > Sounds like a plan. I'll thicken up the traces and
> then give the toner
> > transfer a try. Are 12 mil traces that difficult?
> >
> > Mike
> >
> >
> >
> > --- In Homebrew_PCBs@yahoogroups.com, "Phil"
> <phil1960us@y...> wrote:
> > > well, a laser printer isn't totally a waste...
> > >
> > > I would proto with toner transfer and then when
> you've got it right,
> > > use a board house to make your 100+ boards (make
> a bunch of spares).
> > > Also, you may find interest from others and be
> able to a larger batch
> > > to share the costs and thus reduce the per board
> cost. Also, don't
> > > forget drilling time/tedium. even with a cnc
> set up it will take time
> > > to drill 100+ boards.
> > >
> > > If you use a board house that will allow you to
> panelize you may get
> > > significant savings. A number of them will and
> some wont.
> > >
> > > I did a project where I did 50 boards via TT.
> It was actually 8
> > > panels of 7 individual boards so it wasn't that
> hard. and it was
> > > mostly surface mount so there wasn't a lot of
> drilling.
> > >
> > > Phil
> > >
> > > --- In Homebrew_PCBs@yahoogroups.com, "Mike
> Phillips"
> > > <mikep_95133@y...> wrote:
> > > > After looking at Futurlec, maybe I should have
> not purchased the
> laser
> > > > printer :) They were very cheap.
> > > >
> > > > I really like doing stuff my self. Maybe a
> couple cnc protos is a
> > > > better was to start.
> > > >
> > > > Mike
> > > >
> > > >
> > > >
> > > > --- In Homebrew_PCBs@yahoogroups.com, uhmgawa
> <uhmgawa@m...> wrote:
> > > > > Mike Phillips wrote:
> > > > >
> > > > > > So that means the potential of making 104
> pcb's plus spares.
> > > > > > It's fairly simple with all the parts on
> just one side, and
> smt at
> > > > that.
> > > > >
> > > > > Wouldn't you consider farming out the
> production of 100+
> > > > > boards? I'd be hard pressed to do better on
> price or
> > > > > quality compared with a commercial board
> house for this
> > > > > quantity. Aside from fabing the blank
> board, assembly
> > > > > also may get a bit old after the first dozen
> or so boards.
> > > > >
> > > > > --
> > > > > uhmgawa@m... www.gnu.org
>
>
>




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