Re: [Homebrew_PCBs] Re: HCl - a cautionary tale!
2004-06-25 by Stefan Trethan
... I have googled and found a few, not even expensive, 10-20eur or so. Now i use closed goggles, but they are no 100% protection. I found this out using the
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Re: HCl - a cautionary tale!
2004-06-25 by Dave Mucha
... bite ... goggles, ... There are ways to make one. A motor cycle helmet is big and clumsy, but the plastic face shield can be purchased and added to those
Re: Acrylic Tank OK for Sodium Persulfate?
2004-06-25 by Phil
yes, I ve built one out of the stuff. seems to work ok. Phil
Acrylic Tank OK for Sodium Persulfate?
2004-06-25 by mdgolfbum
I m getting ready to build a etching tank for PCBs and small brass parts. I m planning to build it out of acrylic so I can see the etching progress. Is acrylic
Re: [Homebrew_PCBs] Re: HCl - a cautionary tale!
2004-06-24 by Stefan Trethan
... Leon did the thing with the HCL, not me.. (luckily ;-) ) We all have learnt from his mishap i think. I m thinking maybe a face shield would be easier to
Re: HCl - a cautionary tale!
2004-06-24 by mikezcnc
This is another great story that had to be told. Thanks! Mike ... should ... and ... there ... had ... can
Re: HCl - a cautionary tale!
2004-06-24 by mikezcnc
Stefan, I am terribly sorry to read about your unfortunate mishap. I am equally shocked as if it happened to me. When I deal with HCl and HzO2, I treat them as
RE: [Homebrew_PCBs] Seno 1000 liquid photoresist
2004-06-24 by Jan Kok
... the UK. Mega Electronics has a distributor in the US: Vital Presentation Concepts, Inc. www.vpcinc.com info@vpcinc.com 1-800-648-2320 I just emailed them
Re: component legend on solder side
2004-06-24 by Thomas P. Gootee
... Stefan, I haven t read many of the previous messages in this thread (Sorry. New member.) But, if you were doing a lot of these, it might be worth trying to
Re: HCl - a cautionary tale!
2004-06-24 by thepackrat741
I want to mention that cleaners and degreasers ( solvents in general ) can also be very dangerous, and that eye protection should be worn AT ALL TIMES ...no
[Homebrew_PCBs] Reflow Toaster Oven
2004-06-24 by John Craddock
Heads up for those interested There is an article on micro-computer temperature control of a toaster oven for smt solder reflow in the July 2004 issue of
Re: [Homebrew_PCBs] Seno 1000 liquid photoresist
2004-06-24 by Leon Heller
... From: gregben To: Sent: Thursday, June 24, 2004 7:41 AM Subject: [Homebrew_PCBs] Seno 1000 liquid
Seno 1000 liquid photoresist
2004-06-24 by gregben
Does anyone have any experience applying, exposing, developing, etc. with Seno 1000 photoresist? This is a positive-acting, dyed, aqueous developed and
Re: [Homebrew_PCBs] PCB Thermals
2004-06-24 by Leon Heller
... From: Phil To: Sent: Thursday, June 24, 2004 7:14 AM Subject: [Homebrew_PCBs] PCB Thermals ...
Re: PCB Thermals
2004-06-24 by gregben
... oldering/desoldering ... Yes, strictly to reduce thermal conductivity so as to allow the use of hand soldering irons and less/no preheat on wave-soldered
PCB Thermals
2004-06-24 by Phil
As I understand it, thermals are meant to make soldering/desoldering easier by decreasing the flow of heat away from the joint. Is this the only reason for
Re: 1/64" PCB material?
2004-06-24 by Phil
I got some 1/32 stuff real cheap and used it for a few projects. I think it is intended for the innner layers of multilayer boards. Its kind of cool cause
1/64" PCB material?
2004-06-24 by mdgolfbum
Any issues with using this for homebrew? tnx jtm
Re: [Homebrew_PCBs] HCl - a cautionary tale!
2004-06-23 by Adam Seychell
... There must of been only trace amounts of acid that got into your eye. The stuff would sting like buggery if a bit directly got into your eye. Think rubbing
Re: [Homebrew_PCBs] Re: component legend on solder side
2004-06-23 by Stefan Trethan
... The fuser runs so slow it doesn t get out molten. I tried a hot peel but it failed. (ripped off the toner). strangely the top-side legend adheres perectly
Re: component legend on solder side
2004-06-23 by Phil
When it comes out hot from the fuser, you could try using something to press the paper into the voids (like edges of the traces. Something with a 20-30 mil
Re: [Homebrew_PCBs] Brake CLeaners etc.
2004-06-23 by lists
In article , ... Realising the definition of the word wicked has changed in recent years, I am wondering what
Re: [Homebrew_PCBs] Re: component legend on solder side
2004-06-23 by Stefan Trethan
... i prepare the copper with 600grit paper for the initial transfer for etching, i thought i can omit this step for the legend. The toner seems to hold very
Re: component legend on solder side
2004-06-23 by Phil
I ve had good luck putting legends over traces by burnishing with the edge of the iron. (not sure if thats the correct term). After ironing on the legend, I
Re: [Homebrew_PCBs] HCl - a cautionary tale!
2004-06-23 by Leon Heller
... From: Markus Zingg To: Sent: Wednesday, June 23, 2004 5:33 PM Subject: Re: [Homebrew_PCBs] HCl - a
Re: [Homebrew_PCBs] HCl - a cautionary tale!
2004-06-23 by Markus Zingg
Leon I truly hope all will be well with your eye! I m thankfull you took the time to post this here so as it serves as a warning to others! I ALWAYS wear eye
Re: [Homebrew_PCBs] Re: component legend on solder side
2004-06-23 by Stefan Trethan
On Wed, 23 Jun 2004 16:15:04 -0000, Dave Mucha ... anything that doesn t work for SMD is of no use as i can make near perfect legend on
Re: [Homebrew_PCBs] Re: CG Electronics spray resist?
2004-06-23 by Leon Heller
... From: Brian Chapman To: Sent: Wednesday, June 23, 2004 4:30 PM Subject: [Homebrew_PCBs] Re: CG
Re: HCl - a cautionary tale!
2004-06-23 by Dave Mucha
... (luckily ... the ... flushed ... I ... worse. ... of ... I am VERY happy you lived to tell your tale. I think I would have hit the shower and rinsed for
Re: component legend on solder side
2004-06-23 by Dave Mucha
Hi Stefan, My thoughts are in using a cloth or something that can be compressed easily. the cloth on top of the paper would push more on the paper so it would
Re: [Homebrew_PCBs] Re: CG Electronics spray resist?
2004-06-23 by Russell Shaw
... http://www.electrolube.co.uk/docs/bprototyping.html The website has a distributor finder. http://www.electrolube.co.uk/docs/finddistxt.html
[Homebrew_PCBs] component legend on solder side
2004-06-23 by Stefan Trethan
Hi, Just tried making a TT component legend on the solder / copper side. You see it didn t work out well. The raised copper
Re: CG Electronics spray resist?
2004-06-23 by Brian Chapman
... OK, but they changed it a few years ago and I can t get the newer stuff to work.
Re: [Homebrew_PCBs] Brake CLeaners etc.
2004-06-23 by Stefan Trethan
... well, it must eat plastic toner, but not the epoxy PCB. Strangely paint thinner works, which is not really a problem to work with.. ventilation needed of
Re: [Homebrew_PCBs] Brake CLeaners etc.
2004-06-23 by John Johnson
Be on the lookout for Methyline Chloride too. It is used in brake cleaner, paint stripper, and decaffeinating coffee (!). It s wicked stuff, and melts lots of
Brake CLeaners etc.
2004-06-23 by Mark
There are two types on the market - one containing acetone or lacquer thinner and alcohol (?), the other being primarily perchlorethylene, perc , aka
Re: [Homebrew_PCBs] high temperature hose
2004-06-23 by Stefan Trethan
On Wed, 23 Jun 2004 05:37:23 -0700 (PDT), kenneth magers ... I think high temperature silicone can handle it. I must have some somewhere.... ST
Re: [Homebrew_PCBs] HCl - a cautionary tale!
2004-06-23 by Stefan Trethan
On Wed, 23 Jun 2004 12:34:14 -0000, leon_heller ... I will not ask where you goggles were. I just assume they were absent just as
Re: [Homebrew_PCBs] high temperature hose
2004-06-23 by kenneth magers
the glass is probly pyrex the kind they use in lab stuff i bet you can get a sample piece the right size i thick wall test tub might also work just cut the end
HCl - a cautionary tale!
2004-06-23 by leon_heller
I was etching a PCB a few minutes ago. I thought I d beef up the FeCl3 with a little HCl so I went in the other room, got the bottle and opened it. On my back
Re: [Homebrew_PCBs] high temperature hose
2004-06-23 by Stefan Trethan
... I think i have worked with a very similar unit, but i fear i can t get this glass tube thing to work as i have no such glass. i think ordinary glass would
Re: [Homebrew_PCBs] high temperature hose
2004-06-23 by kenneth magers
... I have a machine like what you are tying to build it is made by pace this is how mine is made there is a glass tube that fits up against the holow tip tube
Re: [Homebrew_PCBs] CG Electronics spray resist?
2004-06-23 by Russell Shaw
... I use it plenty of times to make boards with 8mil tracks and spacings without a single fault on a 10cm x 10cm board. It only doesn t work when the
Re: [Homebrew_PCBs] CG Electronics spray resist?
2004-06-23 by Leon Heller
... From: Brian Chapman To: Sent: Tuesday, June 22, 2004 3:39 PM Subject: [Homebrew_PCBs] CG
Seno (products sold by Mega Electronics) web site?
2004-06-23 by gregben
I m interested in getting more information on the Seno line of PCB processing products. Mega Electronics in the UK sells many of their products, including
Re: CG Electronics spray resist?
2004-06-23 by crankorgan
Brian, I used it years ago. Clean the board with a brillo pad then rinse and blot the board with a towel.(don t touch it with your fingers!) Do not use paper
Re: [Homebrew_PCBs] Re: First PCB - used Sharpie...
2004-06-22 by kenneth magers
this is nt a plug but i have used crc brakleen and it works fantastic not just for taking off flux residue but it will instantly take toner of board and did nt
CG Electronics spray resist?
2004-06-22 by Brian Chapman
Has anyone here used this spray on photo resist? If so, do you like the product? My questions would center around whether or not it sprayed on evenly, and what
Re: [Homebrew_PCBs] Re: TT for signs / front panels
2004-06-22 by Stefan Trethan
On Tue, 22 Jun 2004 07:05:35 -0000, joshdewinter ... It s just standard transfer, nothing special. The big black area is slightly
Re: TT for signs / front panels
2004-06-22 by joshdewinter
Hey Stefan and everyone. Long time no talk. I have been going crazy with a number of things that have kept me away from the group for a while. Now that I m