It's because all of us in Northern Texas are suffering from accute Seasonal Affective Disorder and are nuring a major depression caused by all the rain :( ... ...
Well I've decided to be an astronaut so I've been busy out in the shop building my tinfoil helmet... D ... No new messages since Saturday. Has everyone gone to...
Has anyone ever tried to make a printed circuit board by printing a reverse image onto a sheet of aluminium foil [with an ink jet printer], then plating copper...
I think the proximity of the holiday might have alot to do with the lack of corrispondance. I am trying to figure out a way to get some light sensitive PCB's ...
I have long thought it should be possible to use lithographic methods to do what you want and more. Lithography works by putting a substance the repels water &...
... I normally use vellum in a fancy laser printer that gives me very good contrast. If I dont have any vellum or am not near tha printer I will just use plain...
From Finishing.com Oct 6, 2003 I can tell you general plating method. copper on aluminum 1.etching(NaOH) 2.desmut(HNO3) 3.zincate 4.strip(HNO3) 5.zincate ...
use magazine paper, works OK ... ____________________________________________________________________________________ Need a vacation? Get great deals to...
oops, sorry... misunderstood the question ... ____________________________________________________________________________________ Be a PS3 game guru. Get your...
... You don't have to use silver you can use potassium or ammonium bichromate. It is nasty stuff but you can spin coat the aluminum foil with a fresh made...
I would be interested in getting a good idea of what are the etchants being used. AFAIK, they are : 1. Hot FeCl3 2. Muriatic Acid + Hydrogen Peroxide 3. Copper...
... As you noticed, there are a number of etchants used by hobbyists. That shows there are exists pros and cons with all of them and each suit users...
... because in the UK its all you can buy off the shelf. Chemicals are not really sold in the UK, even drain cleaner is weak. If you want chemicals as such...
I use an HP Laserjet 1200 at home for my TT, it works great. Between that and the 8000 series at work, the 1200 does the best job. I'm also using it with a...
Got some recently, did some tests with it. Seems to be exactly what I had hoped :-) http://www.delorie.com/pcb/liquidtin/ Now, if someone would sell a bottle...
Hi It looks like my old printer (A laserjet 4mp) is about to give up on me. so, anyone got good advice on a replacement? Either a laser for toner transfer or...
... Adam, have you dropped the CuCl in favour of the alkaline etchant because of problems with through hole plating ? Is the whole tent and etch thing...
Thanks for the info! I actually tried printing off a bunch of layouts this morning using the printer and have found that it is more 'forgivable' than my...
... I previously used ferric chloride heated to near-boiling in the microwave for years but after I learned about HCl/H2O2 on this group I gave it a try and...
... Andrew, thats right. I gave up on tent and etch because there were always a few holes which failed to seal properly thus destroying the plating during...
Hi Pete, I'm using a Lexmark Optra E+ with toner refills. It worked okay for paper transfers, but it was too tedious to remove the paper. I've switched to...
I'm new to H_PCBs, but I've been a tinkerer with electronics since the 60s. I've worked for a few companies which had very good luck with negative resist...
Jeff, What is the ratio you use for that? How long does it last? Which to you add to which? (Peroxide to acid or acid to peroxide) Any other tips or info...
... The ratio is 1 volume HCl to 2 volumes H2O2 and you Always Add Acid, as they say (e.g. - 200mL h2o2 added to 100mL HCl). The solution heats up maybe 10-15C...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
