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Messages 27133 - 27162 of 30157   Oldest  |  < Older  |  Newer >  |  Newest
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27133 blue_eagle74 Offline Send Email Dec 6, 2010
3:30 am
This is an older post but thought I would add to it. I use tips at 700 degrees F. The temp is not as important as to the time you spend on the joint. The quote...
27134 Raymond
raymond_broo... Offline Send Email
Dec 12, 2010
8:23 am
Dose any one now if Orange UV reversal film is still available. I used to use it 30 years ago; expose with the normal UV exposure unit and develops in water. ...
27135 Vicent Colomar Prats
dragonet80 Offline Send Email
Dec 13, 2010
9:16 am
Hi all, Does anybody know or use an affordable and easy way, from the hobby (not professional) point of view, to create doble-sided VIAs or Pads? I use the ...
27136 Philip Pemberton
papemjr Offline Send Email
Dec 13, 2010
9:23 am
... Mega do something like that for their "Quickmark" signmaking system. It's a two-layer peel-apart thing if memory serves. www.megauk.com if you're...
27137 Vicent Colomar Prats
dragonet80 Offline Send Email
Dec 15, 2010
9:39 am
Any info on double-sided metallized pads or vias? 2010/12/13 Vicent Colomar Prats <vicentecolomar@...> ... [Non-text portions of this message have been...
27138 Donald H Locker
dhlocker Offline Send Email
Dec 15, 2010
12:14 pm
I have no personal experience. I think a plated-through-holes (PTH) process is usually a bit beyond the hobbyist level, but is the only way of achieving...
27139 Vicent Colomar Prats
dragonet80 Offline Send Email
Dec 15, 2010
3:40 pm
Hi Donald, I think your idea of putting a thin wire in a slotted pad could work, but it is going to be a lot of work. A friend of mine also tried to flat the...
27140 Simon Gornall
spacedcowboy... Offline Send Email
Dec 15, 2010
6:15 pm
... I mill out PCBs at home using my Everprecision 2002 machine, and then I make connections with solder-paste. Using paste is a lot faster than using solder...
27141 DJ Delorie
djdelorie Offline Send Email
Dec 15, 2010
7:51 pm
Hmmm... I wonder... pre-drill the via holes (or all of them I suppose) to match some wire you have. Push wire through and clip, so that it sticks out a little...
27142 Donald H Locker
dhlocker Offline Send Email
Dec 15, 2010
7:59 pm
I'm confused about what quimical is. I can't find that in any dictionary. Do you mean chemical? Done with chemistry? Donald. -- *Plain Text* email -- it's...
27143 Simao Cardoso
simaocardoso@... Send Email
Dec 15, 2010
9:19 pm
... It should be a typo for 'chemical' since in both Portuguese and Spanish chemistry is spelled as 'quĂ­mica' (quimica for non-utf8 users), and Vicent seems...
27144 Larry Battraw
lbattraw Online Now Send Email
Dec 15, 2010
11:17 pm
... This sounds very interesting since you've had actual experience using these types of chemistries. Would you mind telling how you used them as far as how...
27145 Simon Gornall
spacedcowboy... Offline Send Email
Dec 15, 2010
11:19 pm
... Oh, I'll easily admit I don't fully understand everything I need to know for this :) Yet :) ... My understanding was that you tend to vary either current...
27146 Donald H Locker
dhlocker Offline Send Email
Dec 16, 2010
12:33 am
Aha! Thank you. I almost didn't get to chemical until sending my question, then the light bulb started to glow. Now all is clear. Thanks for the information...
27147 Donald H Locker
dhlocker Offline Send Email
Dec 16, 2010
12:47 am
Hello, Simon. I couldn't find a link or guess the location of the DIY page referenced at the bottom of your platepcb home page. I did find the lpkf and...
27148 Simon Gornall
spacedcowboy... Offline Send Email
Dec 16, 2010
12:49 am
... At the top of the page, there's a 'welcome' link (which is what you're reading), and a 'DIY' link (which jumps to a blog-style page). Cheers Simon ...
27149 Donald H Locker
dhlocker Offline Send Email
Dec 16, 2010
12:52 am
Thank you Simon, I found it. I had to enable javascript to see those bits. I'm on my way! Donald. -- *Plain Text* email -- it's an accessibility issue () no...
27150 Simao Cardoso
simaocardoso@... Send Email
Dec 16, 2010
12:57 am
... Experience only with comercial palladium just like the one Markus Zingg bought. In a commercial machine for small runs during some months. With horrific...
27151 Simao Cardoso
simaocardoso@... Send Email
Dec 16, 2010
1:10 am
... And i admit that didn't look to what CAT4101 were. ... You need fixed voltage limited current that varies with board size. The most important is respect...
27152 Simon Gornall
spacedcowboy... Offline Send Email
Dec 16, 2010
1:15 am
... Do you have a reference for that current calculation, Simao ? I was looking at http://www.thinktink.com/stack/volumes/volvi/copplate.htm and they are...
27153 powermatic66 Offline Send Email Dec 16, 2010
6:38 am
MG Chemicals sells a that includes chemicals to plate vias. The directions may be interesting too http://www.mgchemicals.com/products/electroless.html ...
27154 Simao Cardoso
simaocardoso@... Send Email
Dec 16, 2010
8:10 am
... No. Just current densities i saw at various patents and papers. Like for DC 1A per dm.sq max for chemistries without additives 75min time. Or 3A/dm.sq with...
27155 Simon Gornall
spacedcowboy... Offline Send Email
Dec 16, 2010
6:34 pm
... Ok, so if I'm only planning on being able to plate a 160x100mm board, or 1.6dm^2, using your figures that comes to a range of 6.4A -> 9.6A in the forward...
27156 Simao Cardoso
simaocardoso@... Send Email
Dec 17, 2010
1:07 am
... Simon, it depends on your chemistry and anodes. Get documentation and follow it, i don't know what are you using but am sure my setup is way different than...
27157 Vicent Colomar Prats
dragonet80 Offline Send Email
Dec 17, 2010
9:55 am
Hi all, and thank you all for your very interesting answers. As Simao very well appointed, I'm Spanish speaker, and my English is not very good (as you can...
27158 Hugo Ferreira
hgfrrr Offline Send Email
Dec 17, 2010
2:40 pm
Hi. "Quimica" is the portuguese word for "Chemistry". "Quimical" is a typo from a portuguese speaking person trying to say "Chemical". =:-) Only because they...
27159 samsagazzzz Offline Send Email Dec 17, 2010
2:40 pm
Hi guys, im planning to purchase some new printer to modify it and print directly into the PCB. Someone know wich will get better quality? THanks in advance ...
27160 Jeff
jheissjr Offline Send Email
Dec 17, 2010
8:42 pm
Does anyone have any experience with Electronic Goldmine's mini drill press? Do you think this would be useful for board drilling? ...
27161 rocko
acidblue... Offline Send Email
Dec 17, 2010
8:56 pm
I have a similar one made by Craftsman I got at a flea market. It works fine, in fact i just finished a bazz fuss pcb. Although I wish I had one of those 2...
27162 tda7000 Offline Send Email Dec 17, 2010
10:44 pm
... I was going to purchase one of those but I read some reviews that they were terrible. Also the shop I was trying to buy it from kept dicking around and...
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