Re: Label Paper Transfer
2008-05-18 by zerohour
i try to use transparent paper and i get useful result another way that is photo resisted spray is good
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Re: [Homebrew_PCBs] Re: Label Paper Transfer
2008-05-18 by Bill Shatnoy
Hi Matt, I used a couple of different papers and the Avery 5160 3 labels across, 10 down seemed to be the best. CJ matt clement wrote:
Re: Label Paper Transfer
2008-05-15 by matt clement
I also read that and it sounded feasible so I ran right out to Staples and got some of the BIG label sheets and tried this. It transfers quicker than paper or
Wire Labelling/Printing/Marking
2008-05-15 by tgr8883
Hi All, Even though this isn t directly a PCB-related topic, I figured it applies enough and the information would be valuable to most of us. I make a lot of
Moving flatbed table or gantry ?.
2008-05-11 by John Kent
I took apart an Epson C42 printer this afternoon and it occurred to me that perhaps the best approach to making a UV PCB printer was, instead of modifying an
Re: Epson R280 inket notes
2008-05-11 by javaguy11111
... With classes done for the semester I am finally moving forward with my UV LED work. I have started back working on my driver board using the MAX16809. If I
Re: [Homebrew_PCBs] Re: Epson R280 inket notes
2008-05-11 by DJ Delorie
... Yup. I m looking into a UV LED based exposure box too, I haven t tried the sunlight exposure yet. Hey - anyone tried printing on the photoresist film
Re: [Homebrew_PCBs] Epson R280 inket notes
2008-05-11 by DJ Delorie
... Yeah, I figured that. I have some old HP glossy inkjet paper that does the same thing, but the new Epson glossy works just fine. However, I m just playing
Re: Epson R280 inket notes
2008-05-11 by javaguy11111
Assuming you are testing for the photoresist you got from me, I got execellent results using Pictorico Premium OHP Transparency Film.
Re: [Homebrew_PCBs] Epson R280 inket notes
2008-05-11 by Leon
... From: Adam Seychell To: Sent: Sunday, May 11, 2008 8:43 AM Subject: Re: [Homebrew_PCBs] Epson
Re: [Homebrew_PCBs] Epson R280 inket notes
2008-05-11 by Adam Seychell
If the ink is forming globules of any description then that automatically means the media you are using is not compatible with the ink. There should be no
Re: [Homebrew_PCBs] Epson R280 inket notes
2008-05-11 by DJ Delorie
Some follow-up notes from today s experiments... It occurred to me that I ve got negative acting film, so I need ink where there will be NO copper. This
Re: [Homebrew_PCBs] Epson R280 inket notes
2008-05-10 by Adam Seychell
... .. Inkjet transparency films vary widely between brands. the Epson film (now obsolete ) had a unique dye ink absorption coating that would always produce
Re: [Homebrew_PCBs] Epson R280 inket notes
2008-05-10 by Leon
... From: DJ Delorie To: Sent: Saturday, May 10, 2008 4:32 AM Subject: [Homebrew_PCBs] Epson R280 inket
Re: Epson R280 inket notes
2008-05-10 by warrenbrayshaw
You may care to investigate the possibility of reducing the head to paper distance. This may gather up the dots. It appears the ink droplets are launched
Epson R280 inket notes
2008-05-10 by DJ Delorie
I found out today that the Linux printing software (Gutenprint) now supports my R280 printer (the R280 came with a camera, I ve mentioned this before). So now
Re: PCB EDM (again!)
2008-05-07 by Andrew
... I am more than happy doing PCB photo-etch but am very interested in PCB EDM anyways (EDM it is just gosh darn interesting) Two alternate yahoo groups for
Re: DIY Bonder ideas
2008-05-07 by javaguy11111
Check out the group http://tech.groups.yahoo.com/group/chip-hybrids/ There is some information there on wirebonders. The moderator refurbished a wire bonder
DIY Bonder ideas
2008-05-07 by Lee Studley
I think it would be useful to make a wire bonder for dead bugging BGA s sometimes, or for other small device work. Especially for quick proto development or
Re: Laser Printer Alternative
2008-05-07 by Lee Studley
I like DipTrace also over Eagle. Eagle just isn t intuitive like Protel, Orcad Diptrace. The only thing I do like about Eagle is the export features. Sorry.
Re: PCB EDM (again!)
2008-05-07 by ralucas4277
Cristian, Horizontal would not work using the cnc axis as a wire feed (as far as I can see anyway), since the wire is consumed in the erosion process, the
Re: PCB EDM (again!)
2008-05-07 by javaguy11111
If you have not already come across this group, you may find it helpful for EDM experimentation. http://tech.groups.yahoo.com/group/EDMHomeBuilders/ I bought a
Re: [Homebrew_PCBs] Re: PCB EDM (again!)
2008-05-07 by Cristian
... Why not use horizontal wire movement? You can use the CNC to drive it. Cristian
Re: [Homebrew_PCBs] Re: PCB EDM (again!)
2008-05-07 by Cristian
... I m interested too. I owe a Bungard s CNC (drill/mill) and, as I m an electronics engineer, I can do some electronics to help you. Cristian
Re: [Homebrew_PCBs] Re: PCB EDM (again!)
2008-05-07 by KeepIt SimpleStupid
... In the US small quantities of 1 mil stainless, 5 mil tungsten and 5 mil tantalum are easily sourced at www.smallparts.com. Search for wire .
Re: PCB EDM (again!)
2008-05-07 by ralucas4277
Hi Curt, After your previously posted details of your system, I carried out some more tests on pcb spark erosion. What became immediately clear was the
Label Paper Transfer
2008-05-06 by billshat44
I read on the internet about using label paper without the labels to transfer the circuits. Pull the labels off, then run thru a laser printer. I have small
Re: [Homebrew_PCBs] Re: Laser Printer Alternative
2008-05-06 by Myc Holmes
Myc, I realise this ias blasphemy for EAGLE users, but take a look at DIPTRACE, another free pcb program.There is a direct printout of the board, so you do not
Re: Laser Printer Alternative
2008-05-05 by martin_schoenegg
... in the ... that I ... type ... in ... This may Produce a lot of hassle. Try out Ghostscript (and may be ghostview as GUI) and you will have a lot more fun.
Re: [Homebrew_PCBs] Re: Laser Printer Alternative
2008-05-05 by Myc Holmes
I saw a Samsung Laser printer in the Staples flyer this weekend for $59. I ve benen using one for toner transfer for a number of years. Myc ... [Non-text
Re: Laser Printer Alternative
2008-05-05 by Dennis
Hi Robin, If you can spend US$50-60, you might be able to get a used laser printer on eBay. I picked up several Lexmark Optra E+ for around US$50 each
Re: Laser Printer Alternative
2008-05-05 by TonyB
Hi, Can t you combine PDFs with Acrobat Pro?? afn T ...
Re: [Homebrew_PCBs] Re: Laser Printer Alternative
2008-05-05 by Myc Holmes
Matt, Gerber was originally a photoplotter format. The photoplotter had a wheel or disk with the shapes around the circumference. Think photo negatives of
Re: [Homebrew_PCBs] Laser Printer Alternative
2008-05-05 by Jeff Stevens
... There are many ways to concatenate PDF files -- unfortunately, none of them are likely to be 100% reliable for strange edge cases. You can get pretty darn
Re: [Homebrew_PCBs] Re: Laser Printer Alternative
2008-05-05 by James Bishop
The link for HPGS: http://hpgs.berlios.de/ ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: Laser Printer Alternative
2008-05-05 by James Bishop
You might want to have a look at HPGS , an open source app to convert HPGL files to eps or png. I made a pcb plotter a while back, and used HPGS to convert
Re: [Homebrew_PCBs] Re: Laser Printer Alternative
2008-05-05 by Matthew Smith
Quoth Matthew Smith at 2008-05-05 11:42... ... OK - I went into Eagle and selected GERBER as the device. It wants a wheel file. What s a wheel file? --
Re: [Homebrew_PCBs] Re: Laser Printer Alternative
2008-05-05 by Matthew Smith
Quoth Andrew at 2008-05-05 10:59... ... Thanks Andrew - I ve grabbed a copy of that and will give it a try. It may mean firing up a Windows virtual machine,
Re: Laser Printer Alternative
2008-05-05 by Andrew
... How about using vanilla gerbers and use a gerber veiwer to lay them up. Veiwmate by pentalogix is free and will do that. The free version wont let you
Re: [Homebrew_PCBs] Laser Printer Alternative
2008-05-05 by Matthew Smith
Quoth Chris Hart at 2008-05-05 09:14... ... Hmm - interesting. I wonder if there are other packages that can also manipulate HPGL. I don t actually have
Re: [Homebrew_PCBs] Laser Printer Alternative
2008-05-04 by Chris Hart
Matt - I use Eagle as well, but instead of having it create postscript files, I have it create HPGL files. I then import them into CorelDraw, and move them
Re: [Homebrew_PCBs] Re: Laser Printers
2008-05-04 by Chris Hart
The white paper-like vellum also is what is used in the engraving industry for making the masks for sandblasting. At UV, it seems to be much more transparent
Re: [Homebrew_PCBs] Re: Laser Printer Alternative
2008-05-04 by Matthew Smith
Quoth Robin at 2008-05-05 08:09... ... If you only have an inkjet, as a previous poster suggested, just print on an appropriate type of paper and use positive
Re: Laser Printer Alternative
2008-05-04 by Robin
I have to travel 20 minutes to go to any kind of place where I can photocopy anything.
Re: [Homebrew_PCBs] Laser Printer Alternative
2008-05-04 by Matthew Smith
Quoth Mike at 2008-05-05 07:38... ... Good tip, especially for those of us on a tight-ish budget. The same hint also applies to the very pricey Laserstar
Re: [Homebrew_PCBs] Laser Printer Alternative
2008-05-04 by Mike
Hello, Don t have a laser printer either, but do have an inkjet printer and a big box office supply store in the area. My approach is to make a copy of the PCB
Re: [Homebrew_PCBs] Laser Printer Alternative
2008-05-04 by Roland Harriston
Robin: I may be missing some context here, so if I am, disregard my comments. I don t have a laser printer, but I still fab my own PCBs by taking my original
RES: [Homebrew_PCBs] PCB EDM (again!)
2008-05-04 by Alexandre Guimarães
Hi, Curt. I could not find in the archives the schematics of the power supply you used for the EDM process.. Could you post it ? Could more cutting heads be
Re: Laser Printers
2008-05-04 by Steve
... Tshirt makers, when they print and expose their photosensitive screens, use vellum as you describe, not transparencies. Either with laser printers, or
Re: [Homebrew_PCBs] Laser Printer Alternative
2008-05-04 by Leon
... From: Robin To: Sent: Sunday, May 04, 2008 6:54 PM Subject: [Homebrew_PCBs] Laser Printer