Plotter PCB printing
2002-10-02 by stuart.lamble@batepro.co.za
Hi Larry I can not seem to find any floor polish that you speak about. In this country, the only floor polishes that I can find are wax based and thus rather
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File - monthly.txt
2002-10-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder, please read: Subject lines: Remember to change the subject line if you are straying from the original thread. Please change the subject line
RE: [Homebrew_PCBs] FW: Plotter PCB printing
2002-09-27 by stuart.lamble@batepro.co.za
Excellent. ... From: Steve Greenfield [mailto:alienrelics@yahoo.com] Sent: 26 September 2002 06:15 PM To: Homebrew_PCBs@yahoogroups.com Subject: Re:
New Guy, protective film
2002-09-27 by macglobalus
Hi I ve been doing some test on PCB etching and I ve been getting nice results. But, I realized something, my boards look very different from profesional made
Re: [Homebrew_PCBs] FW: Plotter PCB printing
2002-09-26 by Steve Greenfield
Did you check the links? You might find what you need there. Let us know how it turns out. Steve Greenfield ...
FW: Plotter PCB printing
2002-09-26 by stuart.lamble@batepro.co.za
Hi Larry I see you are quite clued up on plotter and PCB printing. I have Ceramic tip pens and an old Roland DXY 960 plotter -I use Autocad to design the pcbs,
Re: [Homebrew_PCBs] Transparency
2002-09-26 by Hans Wedemeyer
I found there is a vast difference in transparency material. Some break up the image so that fine lines are not possible at all. Some older transparencies only
Transparency
2002-09-26 by stuart.lamble@batepro.co.za
Hi All I am printing my positive image onto a lazer quality transparency sheet using a HP5000 1200dpi printer. The quality on the transparency is rather poor.
Re: [Homebrew_PCBs] Please help - photo resistant pcb develop
2002-09-22 by JanRwl@AOL.COM
In a message dated 9/22/2002 2:34:39 AM Central Daylight Time, ... Didn t you develop the exposed PCB and rinse per instructions before putting in the
Re: [Homebrew_PCBs] Please help - photo resistant pcb develop
2002-09-22 by derryck@ntlworld.com
From: stuart.lamble@batepro.co.za ... You should have developed the image with sodium hydroxide solution. I prefer the ready-made developer, but you can try a
Re: [Homebrew_PCBs] Please help - photo resistant pcb develop
2002-09-22 by Russell
... Yes. You re meant to put the board in developer.
RE: [Homebrew_PCBs] Autocad 2000i
2002-09-22 by stuart.lamble@batepro.co.za
Hi Firecracker I do the same, I have pre-designed blocks for all my DIP`s and transistors, resistors etc. It would be great to have these on a drag and drop
Please help - photo resistant pcb develop
2002-09-22 by stuart.lamble@batepro.co.za
Hi All Please help. I purchased a piece of pre treated photo resistant pcb. I removed the black protective layer and exposed my positive onto the board by
Re: [Homebrew_PCBs] Autocad 2000i
2002-09-20 by Firecracker Firecracker
yes I use Autocad to produce PCB s. I use special blocks to put all the holes for a DIP package for example. ... From: stuart.lamble@batepro.co.za To:
Re: [Homebrew_PCBs] Intel QX3+ USB microscope was Making SMT boar ds
2002-09-18 by Karlis
... Sorry, these are TWAIN drivers, not aspi. KPL
Re: [Homebrew_PCBs] Intel QX3+ USB microscope was Making SMT boar ds
2002-09-18 by Karlis
Just don t use that stupid software. Install just the drivers (ASPI? don t remember - but standard for webcams) and use some good graphics software, even
Autocad 2000i
2002-09-18 by stuart.lamble@batepro.co.za
Hi PCB`ers Is anyone using acad2000i to produce PCB`s? Stuart
RE: [Homebrew_PCBs] Intel QX3+ USB microscope was Making SMT boar ds
2002-09-17 by Dave Hylands
There are some pictures posted at http://www.robotroom.com/Microscope.html I just bought one on eBay for $25 + $9 shipping (but haven t received it yet). Do a
Intel QX3+ USB microscope was Making SMT boards
2002-09-17 by cgrier@ix.netcom.com
I ve got one, it s called a QX3 or QX3+. I got it for about $39 on-line. Intel made them for kids, and discovered that nobody wanted them for the $100+ price
Re: [Homebrew_PCBs] Re: Inkjet printing PC boards
2002-09-16 by Steve Greenfield
I thought they all had head cups. They have to have something to seal the head, but of course if it isn t a cup you can t put anything in it to keep the head
Re: [Homebrew_PCBs] Re: Lexmark help, (was Inkjet printing PC boards)
2002-09-16 by Larry Edington
Buy a new printer and use that one for you PC board printer doner? Take the color cartridge out and store it in a baggie with some windex in it? Refill the
Re: [Homebrew_PCBs] Re: Lexmark help, (was Inkjet printing PC boards)
2002-09-16 by Larry Edington
I killed an Epson printhead that got clogged with Schellac by forcing alcohol through it with a syringe. I ve heard of others getting away with it though.
Re: [Homebrew_PCBs] Re: Inkjet printing PC boards
2002-09-16 by Larry Edington
I ve given you a fast and CHEAP method! Fill an inkjet printer cartridge with Future or other brand acrylic floor polish! Print that to the board, then etch
Re: [Homebrew_PCBs] Re: Inkjet printing PC boards
2002-09-15 by Larry Edington
Not all the printers I ve looked at had head cover cups. Changing cartridges is why I like the Lexmarks so well for this application. The ink and head is built
Re: Inkjet printing PC boards
2002-09-15 by crankorgan
Hi Alan, So many people messing with underpowered plotters, I just had to remedy the problem. Everytime I had it done I found a way to make it cheaper. I would
Re: Lexmark help, (was Inkjet printing PC boards)
2002-09-15 by alenz2002
... Seve, Good Guess! A free scanner came with my computer. It didn t work, so they sent a free printer, (the promo scanner had been replaced by a promo
Re: Mylar printer
2002-09-15 by crankorgan
Steve, So I see it as trace and etch. A sheet of something is placed over a board. A plotter with a heated or vibrating pin traces on the sheet sending the
Re: Inkjet printing PC boards
2002-09-15 by Alan Marconett KM6VV
Hi John, Saw your site. Nice implementation on Morph! Alan KM6VV
Re: [Homebrew_PCBs] Re: Mylar printer
2002-09-15 by Steve Greenfield
... It is waterproof, so it should hold up under acid. The old ribbon typewriters may not have used wax, might have been some kind of plastic, but in any case
Re: [Homebrew_PCBs] Re: Mylar printer
2002-09-15 by Steve Greenfield
... It is waterproof, so it should hold up under acid. The old ribbon typewriters may not have used wax, might have been some kind of plastic, but in any case
Re: Mylar printer
2002-09-15 by crankorgan
... Steve, So the print that came off the mylar was colored wax. So I take it wax will repel acid if it will stay stuck to the copper. John
Re: [Homebrew_PCBs] New way to make PCBs
2002-09-15 by Steve Greenfield
Prior art! Prior art! ; ) I made some microwave downconverter PCBs this way, back in 1981 and 82. Very simple boards. I had problems with the paint wicking
Re: [Homebrew_PCBs] Mylar printer
2002-09-15 by Steve Greenfield
I have a feeling those were wax. Mylar is what the ribbon backing is made of. So really the Alps and Fargo wax thermal are just newer versions of that. Steve
Re: New way to make PCBs
2002-09-15 by crankorgan
Derek, Using a template or stencil is basically like silk screening. With silk screening the silk is covered with a light sensitive chemical. A negative is put
New way to make PCBs
2002-09-15 by High Tech
Hi Everyone, I have been thinking about this for a while and I haven t seen it mentioned before. There are many ways to get your idea to copper one I have not
Mylar printer
2002-09-15 by crankorgan
Hi Group, Remember the Mylar printers that would do letter quality printing. They had ribbons that could only be used once. If you took the ribbon apart you
Re: [Homebrew_PCBs] Re: Lexmark help, (was Inkjet printing PC boards)
2002-09-15 by Steve Greenfield
One of the reasons I don t want to risk my BJC 6000 is because print heads are very delicate. It is very possible that you ruined the head by scrubbing. Cotton
Re: Lexmark help, (was Inkjet printing PC boards)
2002-09-15 by alenz2002
Hi Larry and Steve, This is OT but I have a problem that I think you might be able to help with. My wife has a Lexmark printer that the color cartridge only
Re: Inkjet printing PC boards
2002-09-15 by Steve G
... to prevent drying. I would fill that cup with ammonia ... to touch the head. The ideal solution there ... when it was parked. The normal inkjet ... the
Re: [Homebrew_PCBs] Re: Inkjet printing PC boards
2002-09-14 by Larry Edington
No, I didn t look at any of the Canon printers. The Lexmark however has an even better solution than changing heads. It has a rubber cup the head sits down on
PCBs] Re: Inkjet printing PC boards
2002-09-14 by crankorgan
Hi Alan, Yes using a spinning scribe would make a wider path. I have an animation on my webpage. Let it load and you will see a pic of each side of the
PCBs] Re: Inkjet printing PC boards
2002-09-14 by Alan Marconett KM6VV
Hi John, What about a small rotating burnishing tool, so the scratches would have some width? I can see that this would be very similar to milling the
Re: [Homebrew_PCBs] Re: Inkjet printing PC boards
2002-09-14 by Steve Greenfield
I notice Canon isn t on your list. Most of the Canon printers are built so that although you normally replace just the ink carts, you can remove and replace
Re: [Homebrew_PCBs] Re: Inkjet printing PC boards
2002-09-14 by Larry Edington
None of the standard Inkjet inks that I tried would even stand up to water much less etchant. Epson 1520, Epson C80, HP 1000C, Lexmark Waterproof, Generic HP
Re: Inkjet printing PC boards
2002-09-14 by crankorgan
Larry and others, If you print onto a sheet of plastic with an inkjet and put it into the acid for us. I am out of acid right now. Let us know if the inkjet
Re: Inkjet printing PC boards
2002-09-14 by crankorgan
Hi Alan, Layout blue is made to be just scratched. It has been around for 75 years. The trick is to have your traces drawn with an overlap. During the
Re: [Homebrew_PCBs] Re: Inkjet printing PC boards
2002-09-14 by Larry Edington
The problem with scratch and etch is the same as milling. Users must have a toolpath calculation program to generate the outline toolpaths. In practical terms,
Re: Inkjet printing PC boards
2002-09-14 by Alan Marconett KM6VV
Hi Brian, John, What about using a diamond engraver tip? I bought one (mistakenly) thinking it was for machining (it was for the Dremel engraver). But I m
Re: Inkjet printing PC boards
2002-09-14 by crankorgan
Hi Brian, I bought a plotter. Two things I did not like. 1. It wanted PLT files. I use GCode. 2. The plotter can t drill the boards. 3.The plotter can t mill
RE: [Homebrew_PCBs] Re: Inkjet printing PC boards
2002-09-14 by Brian Schmalz
Crankorgan, Putting bluing on the whole board, then scratching it off with a carbide metal scratch tip is the method I m currently using to do boards. I tape