Re: [Homebrew_PCBs] Roll Tinning Machine Re: Plumber's Paste
2006-05-08 by Stefan Trethan
... I think it creates a more even pressure than a metal roller would - boards are not 100% flat. Maybe the roller from a printer fuser would stand up to the
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Re: [Homebrew_PCBs] Re: epoxy glue no good in CuCl long term
2006-05-08 by Stefan Trethan
As i said I HAVE SEARCHED BEFORE I ASKED! But the problem is, there are different kinds of goop glues, many sorts actually. One page said it is a silicone
Re: [Homebrew_PCBs] CNC board drilling and routing
2006-05-08 by Stefan Trethan
I expect you plan on showing pictures sometime? ST
CNC board drilling and routing
2006-05-08 by Alan King
I have had it out since Christmas, but finally got around to really getting things going again in the last two weeks. Reworked the basic front end program to
Re: [Homebrew_PCBs] Re: epoxy glue no good in CuCl long term
2006-05-08 by Alan King
... Not really, takes 3 seconds to type in goop glue and get results. Always keep in mind that those who can t be bothered to learn to use such a useful and
Roll Tinning Machine Re: Plumber's Paste
2006-05-08 by Andrew
... David, I was impessed by that machine when I first saw it and have been wanting to build a copy for a while. One question though. How does it fair with
Re: Spray-on photoresist
2006-05-08 by Andrew
... It is not brilliant ony fair to middling. No where near as good as the Kinsten brand pre-sensitised ones I use for PCBs. But when you want to photo-etch
Re: [Homebrew_PCBs] Roll Tinning Machine Re: Plumber's Paste
2006-05-08 by David Hopkins
Gentlemen, Their photos of my tinning machine. Works real well. Been using it for about ten years and would find it hard to do without. David ... -- No virus
Re: [Homebrew_PCBs] Re: Spray-on photoresist
2006-05-08 by Leon Heller
... From: Andrew To: Sent: Monday, May 08, 2006 10:00 PM Subject: [Homebrew_PCBs] Re: Spray-on
Re: epoxy glue no good in CuCl long term
2006-05-08 by Andrew
... There is a difference between google-ing for facts (like C02 reactors being used by fish breaders) and googling for a common word like goop . Hoping to
Re: epoxy glue no good in CuCl long term
2006-05-08 by lcdpublishing
LOL! Yeah, no need to do that I suppose. But, if you look at the local craft store, they probably have it. Some home centers carry it too, but I have not
Re: [Homebrew_PCBs] Re: epoxy glue no good in CuCl long term
2006-05-08 by Stefan Trethan
... LOL, the first few results on that link are already showing up as been there on my screen... couldn t quite figure it out though, some page said it is
[Homebrew_PCBs] RE : Roll Tinning Machine
2006-05-08 by Robert Hedan
Neither of those links work Steve. Robert
Re: Spray-on photoresist
2006-05-08 by Andrew
... Here in OZ they still sell electrolube brand positive photo resist in a spray can. You could try search that brand for US suppliers. On a side note about
Re: [Homebrew_PCBs] RE : H2O2 bottles - watch out for breakage
2006-05-08 by Stefan Trethan
On Mon, 08 May 2006 21:52:30 +0200, Robert Hedan ... Basically i would hope so. But google says: Hard glass like Pyrex must be used in storing H2O2, in order
Roll Tinning Machine Re: Plumber's Paste
2006-05-08 by Steve
Look in Photos under Roll Tinning Machine. Builder made a heated roller and solder bath, rolls the PCB right through. I searched back in the archives for these
[Homebrew_PCBs] Re: epoxy glue no good in CuCl long term
2006-05-08 by Robert Hedan
Well that sucks. I filled out their form to get a free sample and then it says offer only available in the US . http://www.amazinggoop.com/ I had never seen
Re: epoxy glue no good in CuCl long term
2006-05-08 by Steve
... Weren t you the guy who jumped on someone for not using Google? : / http://tinyurl.com/ekd92 Steve Greenfield
Re: Plumber's Paste
2006-05-08 by lcdpublishing
The process works, and works pretty good, however, it does take a lot of time to do in order to get good results. Spread a thin film on whole board Heat with
[Homebrew_PCBs] RE : H2O2 bottles - watch out for breakage
2006-05-08 by Robert Hedan
Wouldn t glass be a fairly safe bet with most chemicals? Robert
Re: [Homebrew_PCBs] Plumber's Paste
2006-05-08 by Henk Takken
You can also heat the board with a paint stripper heat gun. BTW: In the Netherlands tinning powder can be bought at hobby markets under the brand Griffon. They
H2O2 bottles - watch out for breakage
2006-05-08 by Stefan Trethan
Today when moving my bottle of H2O2 (35%) i noticed a strange cracking sound when pressed on. Closer inspection shows the inside of the bottle is cracking, the
Re: [Homebrew_PCBs] Spray-on photoresist
2006-05-08 by Leon Heller
... From: Norm Stewart To: Sent: Monday, May 08, 2006 4:22 PM Subject: [Homebrew_PCBs] Spray-on
Re: [Homebrew_PCBs] Re: epoxy glue no good in CuCl long term
2006-05-08 by Stefan Trethan
On Mon, 08 May 2006 16:45:17 +0200, fenrir_co ... What sort of glue is goop? ST
Spray-on photoresist
2006-05-08 by Norm Stewart
Does anyone still sell positive photoresist in the US? I d like to find something like Positiv-20®, but can t locate any suppliers. It appears to be
Re: [Homebrew_PCBs] Re: Plumber's Paste
2006-05-08 by Stefan Trethan
On Mon, 08 May 2006 17:00:34 +0200, mycroft2152 ... I have only tried a couple of times with a hot air gun and don t remember the
[Homebrew_PCBs] RE : Plumber's Paste
2006-05-08 by Robert Hedan
I used a heat gun. You will need ventilation, those fumes can t be good for you. I covered the PCB with the paste and always did it in one pass. But I ve
Re: Plumber's Paste
2006-05-08 by mycroft2152
Any suggestions for temperature in an oven or on a hotplate? Can you resuse the excess afterwards? Myc ... is hot ... coated ... a paper ... It just ...
Re: epoxy glue no good in CuCl long term
2006-05-08 by fenrir_co
... I used Goop glue to build an etching tray for my FeCl3 tank, and have also used it to glue handles to holding trays in both FeCl3 and HCl + H202 tanks.
Re: [Homebrew_PCBs] Re: Ferric Chloride - muck at bottom of tank question
2006-05-08 by YD
... ... Thanks, nice to know. - YD. __________________________________________________ Do You Yahoo!? Tired of spam?
Re: [Homebrew_PCBs] Plumber's Paste
2006-05-08 by Stefan Trethan
This paste process is strange. You don t need to fully refow the paste until it is shiny, if it is hot enough, but still looking dull, you will find the board
Plumber's Paste
2006-05-08 by mycroft2152
I decided to try some Plumber s paste, (solder-it brand Plumber s Solder) for tinning some pcb s. The paste itself is a lot coarser that I would have thought.
Re: [Homebrew_PCBs] Re: Ferric Chloride - muck at bottom of tank question
2006-05-08 by Leon Heller
Leon Heller, G1HSM leon.heller@bulldoghome.com http://www.geocities.com/leon_heller ... From: YD To: Sent:
Re: [Homebrew_PCBs] Re: Ferric Chloride - muck at bottom of tank question
2006-05-08 by YD
... A bottle I looked at said 20 vol/6% on the label, so it looks like the scale factor is 0.3% per volume. So 40 volumes would be 12%. I saw somewhere what
Re: [Homebrew_PCBs] Re: Ferric Chloride - muck at bottom of tank question
2006-05-08 by Zoran A. Scepanovic
Hello William, ... 40% Vol H2O2 is in fact 12% H2O2! -- Best regards, Zoran A. Scepanovic zastos@gmail.com ********* If a program is useless, it will have to
Re: [Homebrew_PCBs] Status on Direct to pcb inkjet printing
2006-05-08 by Cristian
... My test : 1. draw, using a toothpick, with Y and, separately, C, ( reguar Epson s DuraBrite) on a piece of PCB. 2. burn with a heat gun (it seems it is
Re: [Homebrew_PCBs] epoxy glue no good in CuCl long term
2006-05-08 by Stefan Trethan
On Mon, 08 May 2006 02:05:10 +0200, Adam Seychell ... Yes, the longer curing epoxy is much better. You only need to look at the mixing proportions, the 5
Re: Ferric Chloride - muck at bottom of tank question
2006-05-08 by Bob_xyz
... ... From what I ve found, the 40 Volume stuff is about 12%, 30 Volume is about 9%, and 20 Volume about 6%. Regards, Bob
Re: Ferric Chloride - muck at bottom of tank question
2006-05-08 by fenrir_co
... Volume doesn t mean percent. I m not sure of the exact conversion, but I believe the strength is only about 15/20%. They have 60 volume as well, but only
Re: [Homebrew_PCBs] epoxy glue no good in CuCl long term
2006-05-08 by Adam Seychell
... Interesting. I ve had the 24hr epoxy continuously immersed in CuCl for 8+ months and I can t detect any physical change except that it has gone more
Re: Ferric Chloride - muck at bottom of tank question
2006-05-07 by Andrew
... H2O2 isn t the only one that is good for weeding. A bit of C2H2 mixed with a bit of O2 does a ripper job too.
Re: [Homebrew_PCBs] Re: Ferric Chloride - muck at bottom of tank question
2006-05-07 by William Carr
... !! Hold it, 40 % H2O2 ? Cool ! I ve been looking for that as a green herbicide ! Handle with gloves, and face mask, on a windless day.... but burns
Re: Alternate solvent inks
2006-05-07 by Steve
... Absolutely. Although a new print head for a Canon costs as much as a new print head for an Epson, you just drop in a Canon head where an Epson requires a
Anyone Interested in Producing Prototype Boards for me?
2006-05-07 by charlieblue22001
Hello Group, Because of my current workload, I am unable to complete proof-of-concept boards for a project I am currently involved with. I am willing to pay a
Re: [Homebrew_PCBs] Re: Ferric Chloride - muck at bottom of tank question
2006-05-07 by Leon Heller
... From: Stefan Trethan To: Sent: Sunday, May 07, 2006 5:26 PM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: Ferric Chloride - muck at bottom of tank question
2006-05-07 by Stefan Trethan
On Sun, 07 May 2006 18:07:13 +0200, fenrir_co ... Sounds like a rather wild procedure ;-) Any gas that is released when adding H2O2
Re: Ferric Chloride - muck at bottom of tank question
2006-05-07 by fenrir_co
... You can get 40 volume H2O2 (peroxide, hair bleach) at Sally Beauty Supply without needing a license or whatnot to purchase it. I ve been using it to
Re: [Homebrew_PCBs] Ferric Chloride - muck at bottom of tank question
2006-05-07 by Leon Heller
... From: Blue To: Sent: Sunday, May 07, 2006 1:43 AM Subject: Re: [Homebrew_PCBs] Ferric
Re: [Homebrew_PCBs] Ferric Chloride - muck at bottom of tank question
2006-05-07 by Blue
... How much is a little? Regards, Terry
Re: [Homebrew_PCBs] Ferric Chloride - muck at bottom of tank question
2006-05-06 by Stefan Trethan
On Sun, 07 May 2006 00:04:47 +0200, Leon Heller ... Yes, probably! There is always some free HCl in CuCl. ST