Maybe some thin heat resistant tape over the edges to
protect the drum. Is that 1/4 Oz board from Digikey?
Look for printers that say something like "true
straight-through paper path".
Or dig through the piles of laser printers showing up
now in thrift stores and just start hacking.
Steve
PS I'm hijacking this discussion to the Homebrew PCBs
list!
http://groups.yahoo.com/group/Homebrew_PCBs--- Rick Talbert <
rixtalbert@...> wrote:
> Dear List
>
> I made a post about a board that is 1/4 OZ. copper a
> while back . It is .031
> inches thick. To thick to go thru the Laser though!
> But , for some reason
> ,,,, like protecting the copper on the FR-104 grade
> board ,there is a super
> thin layer of copper that ya peel off before using.
> This is the stuff you
> might like. The sheets come in 8-1/2 by 11".
> hate to see one of these hang up though!
> And ironing it on the fiberglass is a great idea,,
> but would the toner stay
> on the printed copper?
>
> Who Knows,,
>
> RIX
>
>
> -----Original Message-----
> From: owner-picbasic-l@...
> [mailto:owner-picbasic-l@...]On Behalf Of
> victor Faria
> Sent: Thursday, December 06, 2001 7:06 PM
> To: picbasic-l@...
> Subject: Re: PICBASIC-L direct PCB board printing
>
>
> HI,Jessey
> I don't think that there is anything to modify!
> because I'm sure you can run card stock through a
> laser printer so I think
> that a thin sheet of copper would also run
> through.(I think)
> the only problem that I see is would the copper
> being a conductor do damage
> to the laser?
> but now I'm thinking are there not fancy stationary
> out there with gold and
> silver colors,(shinny) and wouldn't this have the
> same effect on the laser?
> I'm just thinking out aloud.
> any thoughts????
> regards
> victor
> ----- Original Message -----
> From: "jessey Montgomery"
> <jessey_montgomery@...>
> To: <picbasic-l@...>
> Sent: Thursday, December 06, 2001 7:47 PM
> Subject: Re: PICBASIC-L direct PCB board printing
>
>
> Hello Victor, I am presently shoping for a laser
> printer and before I read
> about the comments made to the picbasic group on the
> subject I was concerned
> about the dots per square inch of the printer (dpi)
> or resolution. I've
> always printed out on regular paper (using a desk
> jet printer) then taken
> the page to a printing shop to copy the art work on
> to a transparency and
> have had varying results with different shops, I
> always ask to have it
> copied with a laser photo copier or printer. I've
> never asked the shops what
> dpi their copiers were. I've always used Avery Laser
> Transparencies as I
> heard they were the best for circuit boards, any
> comments from others as to
> which ones are the best? The laser printers on the
> market are 600 dpi for
> the cheapest ones and 1200 dpi for the more
> expensive ones. Does anyone here
> know what dpi is best and will a 600 dpi do the job
> ok?
>
> Now you've sparked my interest about modifying a
> laser printer to print
> directly on to a circuit board or to use a thin
> copper sheet as you would
> the paper. Are there any more people here that know
> anything more about this
> subject? I would like to try something a little
> innovated even if I have to
> modify the new printer I buy. Thanks.......Jessey
> ----- Original Message -----
> From: "victor Faria" <victorf@...>
> To: <picbasic-l@...>
> Sent: Thursday, December 06, 2001 1:51 PM
> Subject: Re: PICBASIC-L direct PCB board printing
>
>
> Rudie,were almost on the same page here!!!
> what I mean is copper sheet.
> print the sheet in the laser printer like you would
> a sheet of paper.
> then laminate the copper to the fiberglass board.
> after lamination is complete go ahead and etch.
> am I making any sense???
> I would try it But I don't have a laser printer.
> now does anyone know if the printer would print on
> the copper sheet???
> people talk about 1oz copper how many mil would
> this be?
> thanks
> regards
> Victor Faria
> ----- Original Message -----
> From: "Rudie" <rudie@...>
> To: <picbasic-l@...>
> Sent: Thursday, December 06, 2001 10:41 AM
> Subject: Re: PICBASIC-L direct PCB board printing
>
>
> Have been toying with the same idea. I found "Copper
> foil" at an art shop -
> 10x10cm very thin foil sheets. Haven't tried it on
> the printer yet.
>
> 1Once through the printer, I was contemplating
> electroplating it - which
> will increase the track thickness. The tracks should
> build up between the
> toner. A quick brush with some etch resist on the
> track side and a couple of
> seconds in the etch bath should then theoretically
> etch the thin copper foil
> and leave the tracks alone - or actually the board
> should be taken out
> before the etchant starts to eat into the tracks. It
> can then be stuck to
> some base with those spray glue picture framers use.
> I'm mainly looking at
> SMD boards, but is should also work for
> through-hole.
>
> No idea if this will work.
>
> Rudie
> ----- Original Message -----
> From: "victor Faria" <victorf@...>
> To: <picbasic-l@...>
> Sent: 06 December 2001 12:48
> Subject: Re: PICBASIC-L direct PCB board printing
>
>
> HEY,PEOPLE I just got an idea!!!
> if I"m off base here please take it easy on the
> heat!!!:-).
> for pc boards rather than buying pcboards say .062.
> suppose you just buy the copper I don't know the
> thickness I'm assuming it
> will be about 5mil then rather then transfer to
> copper with paper how about
> you run the copper in the laser printer?????
> or will this ruin the laser???
> so you would print on the copper then just affix the
> copper to the board .
> again I don't know the procedure for this.
> but I'm sure some one will.
> regards
> Victor Faria
> ----- Original Message -----
> From: "Gilberto Almazan"
> <gilbertofelipe@...>
> To: <picbasic-l@...>
> Sent: Wednesday, December 05, 2001 5:17 PM
> Subject: RE: PICBASIC-L direct PCB board printing
>
>
> hi, i make my own PCB�s with the tonner of a laser
> printer, its easy and
> cheaper (but you need practice). You only need a
> photo paper (like the hp
> paper), an iron and a good soap and a laser printer,
> thats all.
>
>
>
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