Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-03 by AnaLog Services, Inc.
I may be wrong, but that looks like the aperture series. Time should be a simple series of multiples of some base time like 30 seconds, one minute, etc. No?
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Re: C88 direct inkjet printing
2007-02-03 by lcdpublishing
Outstanding results! I too may have to hack a printer and give it a try as well - if I only had time :-) Chris
Re: [Homebrew_PCBs] C88 direct inkjet printing
2007-02-03 by Slavisa Micic
It seems that I missed something... What pictures are you talking about?? ***************************************************** On Sat, 03 Feb 2007 10:56:16
Re: [Homebrew_PCBs] OT p.c.b. etching
2007-02-03 by Leslie Newell
Have a look at ebay item 7555760923 or 290077371461. They are offering fairly cheap manufacturing services. It saves a lot of grief and you end up with
Re: [Homebrew_PCBs] C88 direct inkjet printing
2007-02-03 by Stefan Trethan
Very good work indeed! Your pictures make me eager to work on inkjet printing again ;-) Also, it is great that you made this with another ink, not MISPRO. I
Re: [Homebrew_PCBs] Solder mask for inkjet
2007-02-03 by Stefan Trethan
On Sat, 03 Feb 2007 05:40:36 +0100, wnnelson0 ... You simply need to make a negative of the image you see. ST
new TT idea
2007-02-03 by Lez
I had a sheet of paper jam in the machine, so the toner on it just wiped off, it was not fused but it was stuck provided I didn t waft it around in the air.
Re: [Homebrew_PCBs] OT p.c.b. etching
2007-02-03 by Leon
... From: Lez To: Sent: Friday, February 02, 2007 10:25 PM Subject: Re: [Homebrew_PCBs] OT
Re: C88 direct inkjet printing
2007-02-03 by gsi11135
Good looking indeed! I ditto the dishing of congratulatory words to wnnelson on your success. How are you evaporating the solvent out of the ink? Note to all,
Re: C88 direct inkjet printing
2007-02-03 by gsi11135
Was this the standard Epson ink? Interesting, I had asked the thread not too long ago what to use to remove the ink off of cured boards and ammonia was
Re: C88 direct inkjet printing
2007-02-03 by gsi11135
You were using the standard inks that can be purchased with the printer? Have you tried the MISPRO inks?? I would like to see your results with both inks.
Re: Photo exposure
2007-02-03 by Len Warner
... Also, it s probably less stressful on the experimenter to _cover_ the board in steps, rather than uncover it. This is because it gets the fine detail of
Re: [Homebrew_PCBs] Re: C88 direct inkjet printing
2007-02-03 by William Nelson
Reducing the fluid in the ink sounds like a hard way to go. If it works good that will also be a bonus. I had my head clog up bad after I installed the magenta
Re: C88 direct inkjet printing
2007-02-03 by jam5411
Good Looking boards! Congrats... I have to make some boards in the next few days and will give it a try with the C84/MS-PRO combo and hope I have the same
Re: Mis-Pro direct inkjet info.
2007-02-03 by jam5411
Using the MS-PRO inks, properly applied and cured I find to be an excellent resist to freshly mixed HCL/H2O2, which appears to me to be a more aggresive
Solder mask for inkjet
2007-02-03 by wnnelson0
I would like to know which of the PCB programs allow you to print a solder mask. I am using Eagle and it only shows you the area that will not get any resist.
C88 direct inkjet printing
2007-02-03 by wnnelson0
I have completed a test board which I took pictures of and posted in the photos section under C88 Test PCB. I think the biggest step to getting a good ink
Re: [Homebrew_PCBs] OT p.c.b. etching
2007-02-02 by Lez
... Wondered how you knew, I know she has spies everywhere when I mention cars, then realized I d posted it in the wrong group! Doh! I just had an idea to get
Re: [Homebrew_PCBs] OT p.c.b. etching
2007-02-02 by Stefan Trethan
... Still can t understand how you ended up with that heap of half-done boards there ;-) 10 of them, drilled, professionally done by futurlec cost only 40USD.
Re: [Homebrew_PCBs] OT p.c.b. etching
2007-02-02 by Lez
... Oh I dont need anything like drilling doing, thats my headache! Its a prototype for a car alarm for myself and some friends, I ve designed it, wrote the
Re: [Homebrew_PCBs] OT p.c.b. etching
2007-02-02 by Stefan Trethan
... If you need 10 some pro PCB service like futurlec could well be reasonably priced. The more you need the cheaper it gets per board. If it isn t too
OT p.c.b. etching
2007-02-02 by Lez
Does anyone here do electronics etc as an hobby and do pcb s, not that owning an xm gives time for an hobby............. I need to get a 2inch*2.5inch board
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by Leon
... From: derekhawkins To: Sent: Friday, February 02, 2007 4:27 PM Subject: [Homebrew_PCBs] Re: Photo
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by Leon
... From: To: Sent: Friday, February 02, 2007 3:44 PM Subject: Re: [Homebrew_PCBs] Re: Photo exposure Hi I
Re: [Homebrew_PCBs] toner
2007-02-02 by Stefan Trethan
... I don t think it depends on color, there seem to be differences between the black ones as well. We had someone here selling refills a while ago, maybe he
Re: Photo exposure
2007-02-02 by derekhawkins
... How well can it handle baking in a TO?
toner
2007-02-02 by Lez
Does different toner have different melting points etc, wondering if when I fianlly have to refil this old 4l, if I should get black, or blue/red whatever --
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by Lez
... Its the flat feeding 900, that I m now told does not do durabrite, but I have a cx3200 that I think does, but both have got cheap dye carts in as they
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by Leslie Newell
What sort of inkjet have you got? Epson Durabrite ink produces very good quality prints. For some reason red seems to work best. I find toner tends to end up a
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by Lez
... Actually thats a good question, I d not given much thought to that, I only have about OHT sheets left, and those are for inkjet, and I d sooner use the
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by Lez
... lol your right their. ... Now that seems a good idea, if standard white tubes work, then all I need is some energy saving lights, usually about 8 or 11
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by laxt57@aol.com
Hi I have given up on TT, so I am gonna try photo method. How do do the artwork(photo mask)? By that I mean what sort of transparency, printer etc? Jeri ...
Re: Photo exposure
2007-02-02 by Len Warner
Don t bother with UK sunshine - unless you only want to make boards for a few minutes on one morning a year. Its far too unpredictable: your tests, and your
Re: Photo exposure
2007-02-02 by Bert
... Hi Lez, I used to do photo all the time. It s easy once you get the times down. I used the positve board stock as the process is easier and the results
Re: [Homebrew_PCBs] Photo exposure
2007-02-02 by keith
... 30 years or so ago I made a BUNCH prototype boards both at home and at work using #2 photofloods (IIRC 300W). A sheet of plate glass to hold the film in
Re: Photo exposure
2007-02-02 by tazbecx
Or you can try http://www.scienceprog.com/pcb-exposure-using-uv-light-led-box/ This does work, just need to make a pcb first Richard ... holds a ... £1.20, so
Re: Photo exposure
2007-02-02 by tazbecx
This is the cheapest way of making a box that I found. Going to make a box when I ve moved. Hope it helps. Richard ... holds a ... £1.20, so ... can ...
Re: Photo exposure
2007-02-02 by twb8899
... Mercury vapor bulbs will work the best and give the fastest exposure. Another way is to get a cheap 500 watt quartz halogen work lamp and use it for UV
Re: [Homebrew_PCBs] Photo exposure
2007-02-02 by Leon
... From: Cristian To: Sent: Friday, February 02, 2007 6:41 AM Subject: Re: [Homebrew_PCBs] Photo exposure
Mis-Pro direct inkjet info.
2007-02-02 by dpersuhn
I have a few questions about the mis-pro direct inkjet printing method. I saw it mentioned that the durabrite inks may soften during etching, is the same true
Re: [Homebrew_PCBs] Photo exposure
2007-02-02 by Stefan Trethan
... Just another board material, the copper is still on the outside. You can see descriptions here: There was also a
Re: [Homebrew_PCBs] Photo exposure
2007-02-02 by Cristian
... Leon, could you let me know how the paper/fiberglass is? Two layers or how? Copper is on what layer? Cristian
Re: [Homebrew_PCBs] Photo exposure
2007-02-02 by Leon
... From: Leslie Newell To: Sent: Thursday, February 01, 2007 11:56 PM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by Lez
... I ve noticed they also sell replacement bulbs, much cheaper than the real type of bulb, in a pack of 4. I may try sunlight first, I only need to make 2
Re: [Homebrew_PCBs] Re: Photo exposure
2007-02-02 by Leslie Newell
I don t see why one of those nail lamps wouldn t work for small boards. You do need some method of holding the film firmly against the board. Any gap between
Re: [Homebrew_PCBs] Photo exposure
2007-02-01 by Leslie Newell
The exposure is fairly critical, especially if your film doesn t have very high contrast. You can use sunlight but it is very hit-and miss. You need bright
Re: Photo exposure
2007-02-01 by Lez
Anyone any comments on the UV lamps on ebay for drying nail varnish? seach on ebay with UV nail lamp Or what about those CCFL lights to put inside the PC
sodium persulphate
2007-02-01 by Lez
Just noticed maplin now sell sodium persulphate and fecl......... I ve never heard of sodium persulphate before, I dont read all the posts, just mainly the TT
Photo exposure
2007-02-01 by Lez
Ok I have had enough tonight of TT I need to get 10 little 2 inch * 2 1/2 inch boards done. (only holds a pic and some transistors) I can buy the developer for
Re: [Homebrew_PCBs] Expansion of pcb when heated for TT
2007-02-01 by Stefan Trethan
... Sure does, but paper seems to expand or contract much more. Try it. The expansion coefficient of copper is mostly irrelevant because the PCB is much