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Subject: RE: [Homebrew_PCBs] Re: Laser Printer

From: "AD5VJ Bob" <rtnmi@...>
Date: 2009-10-03

I just purchased some 200 HP Laser 4x6" Glossy Photo Paper off of ebay hope that works with my Dell 1700 laser printer. Cant find
anything but 4X6" in the photo paper, hope that is good.

I also accidentally purchased Staples 4X6 Photo Plus Glossy Inkjet Photo Paper 60 Ct. I already have an inkjet printer, but, I
didn't realize the Staples paper was inkjet until I committed to the purchase. I searched for 'GLOSSY PHOTO PAPER' and should have
searched for 'LASER GLOSSY PHOTO PAPER' oh well live and learn.

I cant find any etchant except for a 'Printed Circuit Board Etching Kit by Radio Shack cat no. 276-1576' on ebay so will have to go
to another source for etchant I guess.

The rest looks pretty easy and straight forward to do.

Bob AD5VJ

> -----Original Message-----
> From: Homebrew_PCBs@yahoogroups.com
> [mailto:Homebrew_PCBs@yahoogroups.com] On Behalf Of Dylan Smith
> Sent: Saturday, October 03, 2009 2:09 PM
> To: Homebrew_PCBs@yahoogroups.com
> Subject: Re: [Homebrew_PCBs] Re: Laser Printer
>
>
> El 03-oct-09, a las 15:27, Lee escribió:
> > For any DIY process, getting the two sides to line up and drilling
> > vias is sufficiently complicated and error prone to reduce
> the success
> > rate, at least in my experience, to we ll below 50%.
>
> Hmm, that seems to be a very high failure rate - I've had a
> 100% success rate with getting the registration right with
> double sided boards, done using toner transfer. My second
> ever board was double sided.
>
> Getting the two sides to line up doesn't need to be hard. The
> best method I've found is print on glossy paper (rather than
> bits of magazine), and hold the two sides face in up to the
> light. The sun through a window makes an excellent light
> source, but otherwise a table lamp works adequately. Get the
> two sides to line up, then tape one end of the paper as a
> "hinge". Double check the line up after making the tape
> hinge, then place the copper board between the sheets and get
> busy with the iron. I've never had a registration failure -
> the worst board I made still had enough overlap that it was usable.
> The worst I've had is an occasional broken trace - but most
> the boards I make at home these days are sufficiently small
> that it's not a big job to find them.
>
> The good thing about home making a board is you can go from
> PCB layout to a functional circuit in hours - there's no two
> or three week turnaround time that there is when you send a
> design away.
>
> I'd agree if you're making a large complex board with
> hundreds of traces, you'll save a lot of aggravation by using
> a PCB manufacturer.
> Or if you want to make several boards of the same design
> (many PCB makers have a fairly stiff price for the first
> board, but successive boards get quite a bit cheaper because
> there's no more setup to do. I needed ten of a recent design,
> and it was obvious that the correct thing to do was just get
> them made by PCB Cart. Especially as it was 4 layer :-)
>
>
>
>
>
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>
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