Re: [Homebrew_PCBs] Re: direct inkjet PCBs
2007-01-28 by Stefan Trethan
... What color do you print / do you know which heads you are using? ST
Messages
Browse messages
Page 361 of 707 · 35337 messages matched
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-28 by Lez
But thats all drifting off topic isn t it, how it smells is irrelevant when its the wrong stuff......... The search behind the topic was... If I walk into XYZ
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-28 by Leon
... From: John Young To: Sent: Saturday, January 27, 2007 10:50 PM Subject: Re: [Homebrew_PCBs] UK ers,
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-28 by Stefan Trethan
On Sun, 28 Jan 2007 09:01:40 +0100, Randy Ledyard ... If a comment from a neighbour would suffice to identify chemicals that would
RE: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-28 by Randy Ledyard
... How many other compounds are there out there that smell like rotten eggs? Thiols/Mercaptans/Sulfides are the only ones I know of...
RE: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-28 by Randy Ledyard
I think the loss of smell is a temporary thing when exposed to a large amount, the reason that was one of the last things you smelled is because the nose is
Re: [Homebrew_PCBs] Re: someone with dry film processing experience?
2007-01-28 by Herbert E. Plett
... do you have any link? on his site there is none (I found none)... yes, on eBay it s: http://stores.ebay.com/Advanced-Coatings-International clumbsy
Why roll your own ?
2007-01-28 by chatnick_au
Why do You roll Your own abd what is the size of roll your own market in your part of the world?
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Lez
When I poured it on the ground, it turned bubbly-white, if thats any help. But thats all beside the point, what stores in the uk are people buying their
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by John Young
Randy How long is the sense of smell deadened? Hydrogen sulfide in the last thing I can remember smelling - in 1963. I was tested years ago and seem to have
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Stefan Trethan
On Sat, 27 Jan 2007 23:02:26 +0100, Randy Ledyard ... Who says H2S was involved at all? Just because the neighbour said it smelled of
RE: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Randy Ledyard
... Lez Lets just say sticking a match into a container of it while holding it close to your face amy not help your appearance..... from Wikipedia: Hydrogen
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Stefan Trethan
... It is by no means certain sulphuric acid is really what was in that cleaner. Check ingredients list. For PCB work it would be preferred to get pure
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Leon
... From: Lez To: Sent: Saturday, January 27, 2007 9:04 PM Subject: Re: [Homebrew_PCBs] UK ers,
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Lez
... Ok 1 product down............ Is H2S dangerous, think I heard it mentioned about cats on cars Lez
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Roland Harriston
AND; There is a world of difference between spreading the stuff (whatever it was) over many square feet (or meters) on a driveway and using less than a
RE: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Randy Ledyard
... That sounds like it must have been Sulfuric Acid-based (H2SO4), and you somehow generated Hydrogen Sulfide (H2S) - which gives off the rotten-egg smell
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Leon
... From: Lez To: Sent: Saturday, January 27, 2007 2:07 PM Subject: Re: [Homebrew_PCBs] UK ers,
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Lez
... Ok I ll take a trip to them, any brand better than the other, or just their own branded stuff? I have used their driveway cleaner before, my neighbor came
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Terry Owens
... Leon thanks, ok right then, what do use as a hardware store, I have sainsburys homebase and b&q, but I can guess before I take a trip their if I write HCI
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Lez
... Leon thanks, ok right then, what do use as a hardware store, I have sainsburys homebase and b&q, but I can guess before I take a trip their if I write HCI
Re: [Homebrew_PCBs] Re: someone with dry film processing experience?
2007-01-27 by John P. Anhalt
He sells direct as well as through eBay. John ... From: Herbert E. Plett To: Homebrew_PCBs@yahoogroups.com Sent: Saturday, January 27, 2007 1:51 AM Subject:
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Stefan Trethan
On Sat, 27 Jan 2007 08:05:20 +0100, Stig Ankjær Pedersen ... Please, if it produces chlorine gas you are using hydrochloric acid, not sulphuric
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Leon
... From: Lez To: Sent: Friday, January 26, 2007 11:35 AM Subject: [Homebrew_PCBs] UK ers,
Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
2007-01-27 by Stig Ankjær Pedersen
Hi Lez Although im not an UK er i thought I would answer anyway. I use a combination of sulphuric acid and hydrogen peroxide. Basically the mixture is one part
Re: [Homebrew_PCBs] Re: someone with dry film processing experience?
2007-01-27 by Herbert E. Plett
... BTW, did somebody contact Steve Johnson and find out who distributes this product? the guys listed on his page USE his products, but don t sell them...
Re: someone with dry film processing experience?
2007-01-26 by jcarlosmor
Tom, what other facilities or machinery do you have for sale? I remember that Kepro had some interesting equipment (small in size) like a multilayer press,
Re: [Homebrew_PCBs] Re: someone with dry film processing experience?
2007-01-26 by Robert Blumer
Thanks for the information Tom, I will look back at the files and see if I can find the liquid resist and check it out. My UV source is from Think and Tinker,
Re: direct inkjet PCBs
2007-01-26 by jam5411
... The best I have been able to obtain is about 5 mil. The problem I have is so much liquid is being applied in the reduced widths in an effort to obtain
Re: someone with dry film processing experience?
2007-01-26 by twb8899
... negative? ... Robert, All dry film photo resist is negative acting. It also require less UV power to properly expose. I use film negatives that are
brass etching [was Re: New paper to test: Xerox Waterproof]
2007-01-26 by DJ Delorie
... Could you elaborate on this a bit? I m thinking of etching my own solder paste stensils for my next project.
Re: PCB how to ? for India
2007-01-26 by weedytan
Just a thought. It seems you have access to making a film. If you have an access to a printing press company, they have what is called a manual wipe-on
Re: [Homebrew_PCBs] Re: PCB how to ? for India
2007-01-26 by WT
Just a thought. It seems you have access to making a film. If you have an access to a printing press company, they have what is called a manual wipe-on
UK'ers, anyone in uk _not_ using fecl ?
2007-01-26 by Lez
UK ers, anyone in uk _not_ using fecl for etching? If not what are you using, and where did you get it. -- Lez
Re: [Homebrew_PCBs] Re: direct inkjet PCBs
2007-01-26 by Stefan Trethan
... I compared both having the same thought, and at least in my experiment FeCl seemed to be slightly more agressive to the MISPRO ink, but the difference was
Re: PCB how to ? for India
2007-01-26 by Kashyap Deepak
The Problem with it it is too expensive . How can I make my own instead ? Thank you Deepak ... india. www.rsindia.com. ... perspective. ... designs. ...
New paper to test: Xerox Waterproof
2007-01-26 by fenrir_co
This comes in a pack of 25 sheets for $13.99 at Staples - so far the only place I ve seen it. It s synthetic , so it s basically a plastic paper. It s
[Homebrew_PCBs] Re: direct inkjet PCBs
2007-01-26 by Thomas
I had success I spose you d could call it with the ink that I got locally, but FeCl seems to attack the cured ink to some degree, what s the general feeling
Re: [Homebrew_PCBs] rockcliff cnc plans for a mill
2007-01-26 by David McNab
... I m working on developing a CNC drilling/milling kit, which will have the stepper motors, the host communications, the calibration, user interface etc all
Re: rockcliff cnc plans for a mill
2007-01-26 by Steve
... Actually they dropped to $20. http://www.stonehook.net/cnchome.htm I was thinking about the whole MDF vs plywood thing. Mostly because I was in the
Re: [Homebrew_PCBs] Re: someone with dry film processing experience?
2007-01-25 by Paul Atkinson
I ve used some of the Kepro pcb materials in the past. I still have one of their hobbyist kits, but I expect it s exceeded it s shelf life. I wouldn t mind
Re: [Homebrew_PCBs] Re: someone with dry film processing experience?
2007-01-25 by Robert Blumer
Tom, I would like to know if what you have is positive resist or negative? I like the positive to work with in the home because of the pcb programs and Ink
Re: direct inkjet PCBs
2007-01-25 by wnnelson0
Also, i must try a short microetch to get a surface that takes ink more readily, that may also allow finer traces. You may be on to something there as I tried
Re: someone with dry film processing experience?
2007-01-25 by twb8899
... I may be able to help with dry film if anyone is interested. I ran a commercial multilayer board shop for over twenty five years. Dry film was the only
Re: [Homebrew_PCBs] Re: direct inkjet PCBs
2007-01-25 by Stefan Trethan
... What i would love to know is how come Volkan can make such fine traces and i cannot? Do you use a single color/head, or do you mix colors using multiple
Re: [Homebrew_PCBs] someone with dry film processing experience?
2007-01-25 by Norm Stewart
I don t have experience with it either, but I d sure like to try some. If you re going to distribute a bit, I d appreciate a centibuttload or so to play with.
Re: direct inkjet PCBs
2007-01-25 by jam5411
A couple of suggestions: With MIS ink. Temperature is important - I have not had much success below 230 C - or above 240 C. Ammonia will help remove the cured
Re: [Homebrew_PCBs] Re: someone with dry film processing experience?
2007-01-25 by Leon
... From: Martin Klingensmith To: Sent: Thursday, January 25, 2007 2:04 PM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: someone with dry film processing experience?
2007-01-25 by Martin Klingensmith
A metric buttload versus an imperial buttload is ratiometric to the respective base unit measures of weight. Google s calculator tells me that 1 metric
rockcliff cnc plans for a mill
2007-01-25 by adam
Hello all! Been a while since I posted here, if I ve ever posting here at all. I have mainly been just reading the group, didn t really have much to improve on