Re: [Homebrew_PCBs] Re: Epson R285
2008-01-13 by Lez
Just tried some UK asda paper, 2.97 25 sheets, seems ok but the shiny surface sticks to the copper as well as the toner making a little more thumb work
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Re: Epson R285
2008-01-13 by peripherin
... just a period (.) so the fuser turns on! ... was only on top of the toner.But I did not etech it as that was only ... paper off the traces with a old tooth
Re: Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-12 by bighillentry
... place!
Homebrew UV LED based exposure unit
2008-01-12 by Markus Zingg
Hi group Last summer I created a UV LED based exposure unit with which I had IMHO very good results. I uploaded a description and pictures to the following
Re: [Homebrew_PCBs] Re: Epson R285
2008-01-11 by Derward
Mike, I have some 3M transparency film for use with Laser printers and I started using this for toner transfer (type cg5000). I am using a HP 2600 color laser
Re: [Homebrew_PCBs] Re: Epson R285
2008-01-11 by michael tenore
Hi! I ran my Staples paper thru the printer a second time by printing just a period (.) so the fuser turns on! The The image transfered very well to the board.
Re: Epson R285
2008-01-11 by peripherin
... method ... to ... be ... etched. ... useing ... toner ... 1022. ... works ... go ... time ... by ... normal ... to ... researching ...
Re: Epson R285
2008-01-11 by peripherin
... varying ... reliabley ... be ... giving ... to ... have ... and ... results ... I ... Update: Ok spent the afternoon really upsetting the sales person in
Epson R285
2008-01-11 by peripherin
Over the last 10 years I have been producing home PCB s with varying degrees of complexity useing the traditional photo exposure method with my local print
Re: [Homebrew_PCBs] Re: Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-08 by Stefan Trethan
Yes i know, i was thinking they are often made by the same people so they might employ similar tricks. ST
Re: [Homebrew_PCBs] Re: Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-08 by Derryck Croker
... I thought we were discussing laser printers? -- Cheers Derryck
Re: Supplires in USA
2008-01-08 by Ben
... and ... the ... Thanx ... Here a few might also take a look under files and links section of the group. HMC Electronics Mouser Allied Electronics Circuit
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by DJ Delorie
Thanks for the details!
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by Markus Zingg
I saw your post on this lately and found it quite intersting. Here, I m using a fairly industrial aproach in that I use an almost identical process than they
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by DJ Delorie
... Woot! Another one! http://www.delorie.com/electronics/usb-gpio/ How are you managing vias and stackup details? ... What I ve been doing is adding a
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by Markus Zingg
Yep, that could be an advantage of the one side method. As far as the aligning is concerned, I m mostly doing 4-layers here, hence aligning layers is
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by DJ Delorie
... I thought of that. In my case, I couldn t align the toner sheets accurately enough for that to work with the hole sizes I needed (0.5mm pitch TQFP). I m
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by Markus Zingg
Hmmm, I intend to use dryfilm laminate on both sides. The idea is to etch from both sides which I think might help keeping the undercuts at about half your
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by DJ Delorie
... No, toner transfer. Packing tape on the back side. ... It varied from 2 to 5 mil. I ve been favoring the thinner stuff. ... Yes, thicker means too much
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by Markus Zingg
Yep, that s the kind I was after. I admitt though that it would be very cool to own one of these laser cutters mentioned by the other poster. I called the rep
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by DJ Delorie
http://www.delorie.com/pcb/brass/
Re: [Homebrew_PCBs] Re: Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-07 by Myc Holmes
$85 for a dozen boards is a bit high. I don t know where you live, but the least expensive is to take a pdf file of your board toa local quick print shop. I
RE: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by Tony Burch
Hi Markus, Tymm has made an Instructible on this at http://www.instructables.com/id/Making-stencils-for-solder-paste-at-home/ Personally, I have used a brass
Re: [Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-07 by Stefan Trethan
Yes, although i remember them a bit cheaper, like usual the OKI/metcal label seems to demand extra payment with no apparent benefit. What about Farnell 3975605
Re: [Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-07 by Dylan Smith
... I presume they are pretty standard, and this kind of thing (order code 7951663 in the Farnell catalogue, 921050-TE OKI/METCAL needle) is what I m after?
RE: [Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-07 by Dylan Smith
... I think Farnell are called Newark-in-One in the USA, you might be able to order it via them.
Re: [Homebrew_PCBs] Homebrew stencils anyone?
2008-01-07 by Norm Carlberg
See http://www.picbasic.org/forum/showthread.php?t=8744 Norm ... From: Markus Zingg To: Sent:
Homebrew stencils anyone?
2008-01-07 by Markus Zingg
Hi group I wonder if members of this group do their own stencils to apply solder paste for subsequent reflow? Any lowcost methods? I mean not everbody owns a
Re: [Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-07 by Stefan Trethan
Too bad, but i m sure there are other brands that work just as well. Dylan, yes you need a dispensing needle. It is just like those doctors use for injections,
RE: [Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-07 by Mark Mickelsen
Thanks for checking, Stefan. Unfortunately, I can t order from Farnell. Something about import licenses, or export regulations, or some such. I wonder if
Re: [Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-07 by Dylan Smith
... I ve not yet used solder paste, but in my next project I d like to try: being a complete newbie to this, what needles do you need for that syringe? I ve
Re: [Homebrew_PCBs] Re: Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-07 by Stefan Trethan
I would not be so sure. The chips on inkjet printers have no relation to reality and the ink level in the cart. They are just dumb counters that happily count
Re: [Homebrew_PCBs] Re: Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-07 by Derryck Croker
... The toner cartridges I ve looked at have sensors to detect when the toner is low, which is why it s often possible to get a few more pages printed by
Re: [Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-07 by Stefan Trethan
Hi, just checked, it is Edsyn CR44 ordered from Farnell. I agree, it will be much better to throw this one away empty for a change. ST
Re: [Homebrew_PCBs] Re: Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-07 by Stefan Trethan
Possibly they have found some nasty way to make sure you _don t_ do that. Often there are fiendish little chips on the cartridges, telling you they are empty
[Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-07 by Mark Mickelsen
Hi Stephan, I am interested in getting a hobby pick-and-place capability going with my hobby CNC mill. I don t know anything about the pneumatics of
Re: Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-07 by bighillentry
Yes your right,that s what I was thinking also. It says that the Box contents are : (1) The printer (2) Black return program cartridge 1,500 pages* all (3)
Re: [Homebrew_PCBs] Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-06 by Myc Holmes
A color laser printer for $85 sounds like a good deal on the surface.but I would consider it to be a disposable printer, After the first set ofcartirdiges are
Re: [Homebrew_PCBs] Re: Pick-and-place using a CNC mill
2008-01-06 by Stefan Trethan
There are _VAST_ differences in solder paste. I only do manual dispensing, but you can tell from that. Some pastes already come hard in the syringe. Some have
Re:Pick-and-place using a CNC mill
2008-01-06 by dpersuhn
Probably the cheapest powered vacuum pump on the market right now is the Reynolds Handi-Vac that s used with vacuum sandwich bags. You can pick them up for
Re: [Homebrew_PCBs] Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-06 by DJ Delorie
... Toner is dry plastic powder, it won t dry up like an inkjet will. ... I don t think there s a limit. It depends on how long you can keep the paper
Will this Lexmark color laser printer # C520n work for toner transfer on pulsars
2008-01-06 by bighillentry
Hi all I know that laser printers has to be used and not inkjets. I like to know if this model #C520n prints dark enought on the first try and if not, can you
Supplires in USA
2008-01-03 by omar_abou_bakr
Hi, I am looking for suppliers in USA to buy a drill, a solder iron and an UV lamp, in other words I am looking for a place that sells electronics and pcb
Re: Storeing "printed" overhead transparencies
2008-01-03 by Ben
I have been using File Folders to store them in. Ben
Re: [Homebrew_PCBs] Transparency question
2008-01-02 by Herbert E. Plett
the printed ink has no influence on TT. it s just the matter of getting the right paper that releases its surface when whetted... ...
Re: [Homebrew_PCBs] Re: Transparency question
2008-01-02 by Dave
... Alex, Thanks for the info. I guess I wasn t clear enough for the use of the transparencies. I just wanted them for the component side mask. I have some
Re: [Homebrew_PCBs] Re: Transparency question
2008-01-02 by Dave
... I have a few older HP inkjets and a few Canon inkjets here. I guess for what I wanted to use the transparency for that may be the better option. I was
Re: [Homebrew_PCBs] Transparency question
2008-01-02 by Dave
... I already bought Staples Photo paper for the transfers. I was talking about using transparencies for the component side. But while we are on the subject,
Re: [Homebrew_PCBs] Storeing "printed" overhead transparencies
2008-01-02 by Leon
... From: Markus Zingg To: Sent: Wednesday, January 02, 2008 1:20 PM Subject: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Storeing "printed" overhead transparencies
2008-01-02 by Harvey White
... 3 hole binder with paper pockets. You can also print out the schematic, documentation, parts placement, etc. to make a decent reference. Wonderful unless