Re: Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-12 by James Newton
... A comprehensive list of printers know to be usable for direct inkjet resist printing is right here:
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RE: [Homebrew_PCBs] Re: The case for crowd-sourced PCB materials
2011-10-12 by MIKE DURKIN
Well shoot .... is the idea for direct print dead? I suppose it can t be hard up come up with a UV exposure bed. Mike KC7NOA To: Homebrew_PCBs@yahoogroups.com
RE: [Homebrew_PCBs] The case for crowd-sourced PCB materials
2011-10-12 by Boman33
Thanks Larry for a fast reply. Since it is negative photo resist how do you create the negative image? Normally the PCB programs gives a positive image
RE: [Homebrew_PCBs] The case for crowd-sourced PCB materials
2011-10-12 by Larry Battraw
JetStar transparencies used for silk screen artwork are what I use primarily, printed on an Epson Artisan 810. I then seal the artwork against the board for
RE: [Homebrew_PCBs] The case for crowd-sourced PCB materials
2011-10-12 by Boman33
Larry, How do you create the negative? Bertho From: Larry Battraw Sent: Wednesday, October 12, 2011 01:44 Hi Tom, I used to live in AZ and actually visited
Re: [Homebrew_PCBs] The case for crowd-sourced PCB materials
2011-10-12 by Larry Battraw
Hi Tom, I used to live in AZ and actually visited Circuit Specialists frequently. I don t have a problem with presensitized boards per se except for the fact
Re: [Homebrew_PCBs] Re: The case for crowd-sourced PCB materials
2011-10-12 by Larry Battraw
Hi Mike, The AQ3000 product is a water-based photo-resist. It can be spin or roller-coated onto a board (And then dried), at which point it can be exposed
Re: [Homebrew_PCBs] The case for crowd-sourced PCB materials
2011-10-11 by Tom Biery
from a laser, I would like it a little darker but its working. I did find that the higher priced hp toner cartridges are darker than the refills. A toner
RE: [Homebrew_PCBs] The case for crowd-sourced PCB materials
2011-10-11 by John Dammeyer
Tom, What sort of material are you printing onto? It looks like velum in the video. Is it dark enough as printed from the laser printer or are you using an
Re: The case for crowd-sourced PCB materials
2011-10-11 by Michael
Im interested .... in the aq3000 resist ink ...though it might go bad before I get a printer working for direct resist .. Mike KC7NOA
[Homebrew_PCBs] The case for crowd-sourced PCB materials
2011-10-11 by Vicent Colomar Prats
If you have so many problems, may be you should re-consider to another way, like this: http://iteadstudio.com/ http://batchpcb.com/ There are many places you
Re: [Homebrew_PCBs] The case for crowd-sourced PCB materials
2011-10-11 by Tom Biery
Larry, I have been getting my presensitized PCB material from the company Circuit Specialists I believe they are located in Arizona, there material is fresh
Re: [Homebrew_PCBs] Re: Solid black artwork
2011-10-11 by Leon Heller
I use a cheap HP DeskJet 5940 printer (about £60) with JetStar Premium film for photo-etch transparencies, and get excellent results. Leon -- Leon Heller
Re: Solid black artwork
2011-10-11 by chris
FWIW I use an Epson Acculaser C8600 and the black is very very black far better than any other printer I have used.. results are perfect for optical or toner
The case for crowd-sourced PCB materials
2011-10-11 by Larry Battraw
Hi All, I ve been lurking on this list for some time and seen a lot of different takes on making PCBs, whether it s toner-transfer, direct-print via
Re: Solid black artwork
2011-10-10 by garydeal
I ve used a cheap Epson printer with the drivers that came with the printer. The black from the inkjet was much denser (opaque) than anything I ve been able to
Re: [Homebrew_PCBs] Re: Solid black artwork
2011-10-10 by Tom Biery
Making PCB for the FTDI Vinculum 2 Chip youtu.be/qK6DKbzm024 ... [Non-text portions of this message have been removed]
Re: FIrst Board a success
2011-10-10 by alex4459jopiklal44
... hi Steve yes you are right, I used the red in Target 3000 and in Eagle for board and pads and then printed it in the highest quality on transparants
Re: Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-10 by Michael
I too found that group to be fairly in active. That s why I joined here ... looks like there is life/activity here.... Im still looking for a printer for
RE: [Homebrew_PCBs] Re: Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-09 by Boman33
Thanks again Steve, The PrintFab installed and works just fine on Windows 7. I have been playing with it and it gives me additional ink control which is what
RE: [Homebrew_PCBs] Re: Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-09 by Bob Headrick
That should be useful, at least as a start. Typically the driver will tweak things a bit to deal with various things like media settings and the specific inks
RE: [Homebrew_PCBs] Re: Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-09 by Boman33
Thanks Tony, that is what I was looking for. Bertho ====================== From: Tony Smith Sent: Sunday, October 09, 2011 16:41 ... I find an RGB value
RE: [Homebrew_PCBs] Re: Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-09 by Tony Smith
... I ... Here s a calculator: http://www.usq.edu.au/users/grantd/WORK/216color/ConvertRGB-CMYK-Grey.htm There s no guarantee that using solid colours in RGB
RE: [Homebrew_PCBs] Re: Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-09 by Boman33
Thanks Steve for replying. I also did ask the question on the Inkjet_PCB_Construction but there were no replies. Most work there appears to be aimed at direct
Re: FIrst Board a success
2011-10-09 by AlienRelics
... Red or magenta? They are not the same things. I presume you mean that you create the image file in Red? Which Canon printer is it? Steve Greenfield AE7HD
Re: Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-09 by AlienRelics
Shouldn t we be having this discussion on Inkjet_PCB_Construction? Yes, all printers use CMYK or an expanded version. The most common are a light version of
Re: [Homebrew_PCBs] Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-07 by Donald H Locker
Triggered my memory - The Gimp (an image editing program) and Scribus (a desktop publishing program) both support CMYK colour spaces natively and will print in
Re: [Homebrew_PCBs] Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-07 by Piers Goodhew
See this thread for DJ Delorie s custom print software, which he uses to get more ink: http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/28718 (I d
Re: [Homebrew_PCBs] Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-07 by lists
In article , ... I think you will find that all printers, including home printers use
RE: [Homebrew_PCBs] Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-07 by Boman33
Thanks Andy, The printer I have, Canon i9100, uses CMYK cartridges so it can print in pure CMYK colors. I should have included that info from the beginning.
Re: [Homebrew_PCBs] Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-07 by Andrew Thornber
Hi, Basically you can t really! They are completely different colour spaces. At home we print/scan/view on our montiors using RGB (Red, Green, Blue). In
RE: [Homebrew_PCBs] Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-07 by Boman33
Thanks Stuart, I will check there. My goal is to make high quality artwork for using with photo resist coated PCBs. Bertho ===============================
Re: [Homebrew_PCBs] Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-07 by lists
In article , ... A question that might be better asked at: comp.periphs.printers Not that there is anything
Forcing printing of Magenta or Cyan from RGB in Windows
2011-10-07 by Boman33
How do I force the printing of, for example, pure magenta when the Windows printer driver only has R G B options? Bertho [Non-text portions of this message
Solid black artwork
2011-10-06 by Boman33
My goal is to make accurate artwork for working with photoresist PCBs. What suggestions do you have to make as high contrast (solid black) art work as
Re: The effect 1 small hair has on a board
2011-10-06 by javaguy11111
It is even more of a challenge when you have cats. I keep a can of compressed air and blow everything down before putting on the resist.
The effect 1 small hair has on a board
2011-10-06 by Piers Goodhew
Hi List, While I was ironing attempt #2 onto copper clad today, the outline of a human hair became clearly visible under the paper (the aluminium from the iron
Re: [Homebrew_PCBs] Re: Using Cupric Chloride
2011-10-01 by Leon Heller
... My milk bottle with cupric chloride was still OK after a couple of years. I use them for FeCl3 and developer, as well. I keep them in an old washing up
Re: Using Cupric Chloride
2011-10-01 by Ben L
From what I understand is that the plastic of most Mild Bottles are designed to break down. I know that sunlight causes them to break down. Also know don t
Re: Two Videos demonstrating the Kinsten UV Exposure Box
2011-10-01 by Ben L
What you described with a series of 3 LED s and a Series resistor is OK most likely your problem is too much current so you may need to resize you resistor
Re: [Homebrew_PCBs] Re: Using Cupric Chloride
2011-09-28 by Leon Heller
... When I used AP many years ago, I used to add a small amount of common salt instead of HgCl2. It made it a lot faster. Leon -- Leon Heller G1HSM
Re: Using Cupric Chloride
2011-09-28 by designer_craig
I used AP for years it worked out great for me. The solution doesn t keep too long so I would just make up what I needed for that job. Heating is the key, it
Re: [Homebrew_PCBs] Re: Using Cupric Chloride
2011-09-27 by Piers Goodhew
I think it s a volume thing: if you make a certain number of boards, it starts to make sense. I don t make a lot and love my persulphate. I put a
Re: [Homebrew_PCBs] Re: Using Cupric Chloride
2011-09-27 by Stefan Trethan
CuCl can be regenerated indefinitely and is therefore cheaper. Also it can be made from chemicals that are even more readily available than Amonium
Re: [Homebrew_PCBs] Re: Using Cupric Chloride
2011-09-27 by Tom Biery
Can someone please tell me why not just use Amonium Persulfate. It seems freely available, that is what I am using and it works fine, I find that if
Re: [Homebrew_PCBs] Re: Using Cupric Chloride
2011-09-27 by Leon Heller
When I tried it I kept the solution in an plastic milk bottle. The plastic seemed OK. Leon -- Leon Heller G1HSM
Re: Using Cupric Chloride
2011-09-27 by hondgm
... Ahh, there is some. I must have been overthinking the search terms, as I was trying cupric plastic compatibility and similar.
Re: [Homebrew_PCBs] Two Videos demonstrating the Kinsten UV Exposure Box
2011-09-26 by Chris Kleeschulte
... Good point, I did not consider this at all. Traditionally, people think LED s do not generate much heat at all, but it is still a conductor that has some
Re: [Homebrew_PCBs] Two Videos demonstrating the Kinsten UV Exposure Box
2011-09-26 by Chris Kleeschulte
Tom: Do you have any idea what the exposure time will be can you do a quick test ... I am thinking close to 300 seconds, but I have to test on my common board
RE: [Homebrew_PCBs] Two Videos demonstrating the Kinsten UV Exposure Box
2011-09-26 by John Dammeyer
The problem is that LEDs are really current driven devices. Go over the current and the LED either degrades quickly or pops due to heat. And that many LEDs