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Recap of Board Building Procedures

Recap of Board Building Procedures

2005-06-13 by KE5CTY Bob

I have blank pcbs, board drill bits and parts ordered and on the way,
before they arrive I would like to check the following:

Let me see if I have this right:

Phase One:
1) I layout the board in the software
FREEPCB found at FREEPCB.COM
2) I print what I just laid out onto
my HP DeskJet 712c printer
2a) I make a copy with
my Panasonic KX-FM106
"Copier/Fax" machine.
3) I turn the copied paper upside down on the blank copper
4) I apply my preheated iron to the backside of the paper
(the paper should stick well or apply more heat)
5) I remove the paper in hot water or something

Phase Two:
6) Now I use the etchant process and remove
the still visible copper from the board
7) Now I remove the ink from the remaining copper
8) Now I drill holes in the board for the components

Phase Three:
9) Insert components and build board.
----------------------------
----------------------------

Well how'd I do? Hope I got it all straight :0)

7&3 fer nw,
KE5CTY (old calls WB5ZQU - WY5L)
http://www.qsl.net/ke5cty/
Code may be dying but the pioneering spirit that put the code there in
the first place is still going strong.

Re: [Homebrew_PCBs] Recap of Board Building Procedures

2005-06-13 by Stefan Trethan

On Mon, 13 Jun 2005 17:00:54 +0200, KE5CTY Bob <rtnmi@...> wrote:

Show quoted textHide quoted text
> I have blank pcbs, board drill bits and parts ordered and on the way,
> before they arrive I would like to check the following:
> Let me see if I have this right:
> Phase One:
> 1) I layout the board in the software
> FREEPCB found at FREEPCB.COM
> 2) I print what I just laid out onto
> my HP DeskJet 712c printer
> 2a) I make a copy with
> my Panasonic KX-FM106
> "Copier/Fax" machine.
> 3) I turn the copied paper upside down on the blank copper
> 4) I apply my preheated iron to the backside of the paper
> (the paper should stick well or apply more heat)
> 5) I remove the paper in hot water or something
> Phase Two:
> 6) Now I use the etchant process and remove
> the still visible copper from the board
> 7) Now I remove the ink from the remaining copper
> 8) Now I drill holes in the board for the components
> Phase Three:
> 9) Insert components and build board.
> ----------------------------
> ----------------------------
> Well how'd I do? Hope I got it all straight :0)


i hope this is a toner-using fax/copier, they sell inkjets now and there
were thermal ones.

you must clean the board really well.

But basically, yes, something like that is what you need to do.


ST

Re: [Homebrew_PCBs] Recap of Board Building Procedures

2005-06-13 by Mycroft2152

Hi Bob,

You did good!

Just make sure that your pads are big enough to leave
enough materials after drilling. I ususally make
slightly oversize and stretched octagon pads to
compensate. I even increase the widths of the traces.
Overall its more forgiving and less copper to remove.

Just go sloawly on your first until you feel
comfortable with the techniques.

Myc

--- KE5CTY Bob <rtnmi@...> wrote:

> I have blank pcbs, board drill bits and parts
> ordered and on the way,
> before they arrive I would like to check the
> following:
>
> Let me see if I have this right:
>
> Phase One:
> 1) I layout the board in the software
> FREEPCB found at FREEPCB.COM
> 2) I print what I just laid out onto
> my HP DeskJet 712c printer
> 2a) I make a copy with
> my Panasonic KX-FM106
> "Copier/Fax" machine.
> 3) I turn the copied paper upside down on the blank
> copper
> 4) I apply my preheated iron to the backside of the
> paper
> (the paper should stick well or apply more heat)
> 5) I remove the paper in hot water or something
>
> Phase Two:
> 6) Now I use the etchant process and remove
> the still visible copper from the board
> 7) Now I remove the ink from the remaining copper
> 8) Now I drill holes in the board for the components
>
> Phase Three:
> 9) Insert components and build board.
> ----------------------------
> ----------------------------
>
> Well how'd I do? Hope I got it all straight :0)
>
> 7&3 fer nw,
> KE5CTY (old calls WB5ZQU - WY5L)
> http://www.qsl.net/ke5cty/
> Code may be dying but the pioneering spirit that put
> the code there in
> the first place is still going strong.
>
>
>
>




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Re: [Homebrew_PCBs] Recap of Board Building Procedures

2005-06-13 by Stefan Trethan

On Mon, 13 Jun 2005 18:25:41 +0200, Mycroft2152 <mycroft2152@...>
wrote:

Show quoted textHide quoted text
> Hi Bob,
> You did good!
> Just make sure that your pads are big enough to leave
> enough materials after drilling. I ususally make
> slightly oversize and stretched octagon pads to
> compensate. I even increase the widths of the traces.
> Overall its more forgiving and less copper to remove.
> Just go sloawly on your first until you feel
> comfortable with the techniques.
> Myc


I agree!

Pilots say there is nothing more useless than airspace above you and
runway behind you.

For us it is there is nothing more useless than etched-away copper ;-)

ST