Re: [Homebrew_PCBs] Re: Hello Sir Dennis...
2006-02-10 by Leon Heller
... From: dl5012 To: Sent: Friday, February 10, 2006 5:11 PM Subject: [Homebrew_PCBs] Re: Hello Sir
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2006-02-10 by Leon Heller
... From: dl5012 To: Sent: Friday, February 10, 2006 5:11 PM Subject: [Homebrew_PCBs] Re: Hello Sir
2006-02-10 by dl5012
Hi, Thanks for all that info. Apparently the 98% IPA is just moving the flux around, but the board appeared significantly cleaner than when I used rubbing
2006-02-10 by marcelbernards
... solder ... There was an article in a recent Dutch elector mag about hacking a cheap small oven for reflow soldering smd packages. Nice project.... I tried
2006-02-10 by newaag
Hi Patrick; We would love to hear about that FM radio project over in the FMTuners group here at Yahoo. http://groups.yahoo.com/group/FMtuners/ Bob
2006-02-10 by Mycroft2152
That CVS link is for a blend with oil of wintergreen annd other chemicals for use as a skin liniment. Look for regular unflavored rubbing alcohol on the CVS
2006-02-10 by Stefan Trethan
On Fri, 10 Feb 2006 11:59:37 +0100, Patrick Cambre ... Is this the same HP paper as praised in the database section? I tried to find it but couldn t - of
2006-02-10 by Patrick Cambre
Hello my friend Sir Dennis, Yes, I am now using HP Glossy Photo Paper for inkjet printers. I was so amazed on how well it all came out in the end. I was
2006-02-10 by Stefan Trethan
... While we are at that, if you use air to blow it away, it should be dry air, some compressors make pretty oily air. Me, i use some toilet paper and either
2006-02-10 by JanRwl@AOL.COM
In a message dated 2/9/2006 9:48:53 P.M. Central Standard Time, dl5012@yahoo.com writes: I m pretty sure some amount of flux will be carried off when a
2006-02-10 by dl5012
Hi, Several people have asked me for contact info to get inexpensive copper clad board (on the order of a couple cents per square inch). Contact Bill - abcfab
2006-02-10 by Gary Crowell
Note that some Rubbing Alcohol contains lanolin oil and other crap. Not recommended for cleaning anything except perhaps skin. http://www.cvs
2006-02-10 by Phil Moore
I have a project where I will be soldering a large number of tssops and 44 pin plccs. They boards already have the discrete smd s on them, top and bottom. I m
2006-02-10 by r c
I am not a chemist by background either, and did not read the rest of this post, but I on occasion clean Si wafers (already processed into devices) and x-ray
2006-02-10 by dl5012
... dissolved. Well, I m not a chemist (didn t pay much attention to chemistry - I was an EE major). But I can tell you what I m seeing. If I clean flux from
2006-02-10 by Mike Young
I saw a website once where the writer laid out his circuit on a pad per hole board, meticulously building each trace with buss wire by tacking it to each pad
2006-02-09 by Stefan Trethan
On Thu, 09 Feb 2006 23:33:33 +0100, kilocycles ... I ve seen the curling too on thin boards. i only use them for very small pcbs. The
2006-02-09 by Stefan Trethan
... I don t think flux will ever evaporate, no matter in what it is dissolved. Maybe the water is doing something bad, i sure don t understand it. Flux will
2006-02-09 by Jim Miller
ted thanks! that s the info i was looking for. i think i ll buy some of each since abcfab allows combining of orders to save shipping. jim ab3cv
2006-02-09 by dl5012
Hi Stefan, I find it difficult to wipe the board when components have been installed. Whatever I use snags on the leads; which are very sharp by that time
2006-02-09 by kilocycles
Well, I couldn t find the post to reply to that I read in my email digest, but I ve found that the thinner PCB stock is ok for two-sided boards, and depending
2006-02-09 by kilocycles
Hi, Pete I m currently struggling with a Brother 2040 Laser printer that I got specifically for this PCB work. I m currently trying to find the right
2006-02-09 by Stefan Trethan
... You ll have to explain that some more. As i see it, in both cases the gunk is solved into the liquid, and a large percentage of the liquid with gunk is
2006-02-09 by soffee83
FWIW- I mentioned in a recent roto-tool thread that Harbor Freight appeared to have a 9 something when I went in there. It didn t have a price below it, but
2006-02-09 by Mycroft2152
Hi Bob, I believe that using the free version for commercial products is allowed. But, I would post the question on the DipTrace Yahoo Group, which is the
2006-02-09 by dl5012
Hi Stefan, The water in rubbing alcohol slows down the rate of evaporation. That leaves residue from some of the stuff that was disolved in the alcohol or
2006-02-09 by Stefan Trethan
Well, 2 parts mostly water will dilute the acid to roughly the 10% range, which i think is about right, and the amount of H2O2 could be in the right range too.
2006-02-09 by Stefan Trethan
... I was almost asking of which order he is with my last post ;-) ST
2006-02-09 by Stefan Trethan
... Why would the water be a problem? It is soluble in etchant and could be dried beforehand? ST
2006-02-09 by newaag
Can you confirm / deny this formula from files here is appropriate? I have successfully used 2 parts 3% medical H2O2 with one part 31% acid - no additional
2006-02-09 by dl5012
Hi Patrick, ... Where are you located? If you re in the US, you can get inexpensive copper clad from abcfab on eBay (I m still waiting for approval to give
2006-02-09 by newaag
Many thanks for the tip, I ll try it. The price is right! I dpwnlaoded it, and agree, it is very easy and intuitive to use. It took me a long time to realize
2006-02-09 by Alan King
... Anyone else feel like they re sitting at the round table lately? :) Alan
2006-02-09 by Patrick Cambre
Hello Sir Dennis, Yes, I use a little WD-40 to get the rest of the residue off the board. I will go ahead today, and get a brand new sheet of double-sided PCB
2006-02-09 by Keith Applegarth
It is in the list. It is the 9 Creative GBC at the top of the list. Keith ... laminator ... the ... and,
2006-02-09 by dl5012
Bob, Another option is ExpressPCB and ExpressSCH . They re free and there are no limits that I know of
2006-02-09 by Mycroft2152
Hi Bpb, I used EAGLE LITE for a number of years, but have moved over to DipTrace. www.diptrace.com Diptrace Free has a 250 pin limit but no limit on board
2006-02-09 by newaag
I would add a few fine points to this point to point layout discussion using PCB software. From what I see, the most important thing is size your components
2006-02-09 by Mycroft2152
Hi Bob, I have the 4 version of the GBC. I have run .062 boards through it. The trick is to feed them in at a slight angle, so the rollers only grab a corner
2006-02-09 by bob_ledoux
... Have you used it for anything thicker than .032 board? Pulsar sells this unit as part of their Toner Transfer System starter s package. But they say it is
2006-02-09 by dl5012
Hi Patrick, The technique for using laser transparencies is different than inkjet and I never got the same results. Sopry I didn t catch that you were using
2006-02-09 by braincambre500
Hello again Sir Dennis, Well, I found out how to make all the toner stay on the PCB. I decided to use my HP Photo Paper. A perfect PCB the very first time! I
2006-02-09 by Stefan Trethan
Yes, check the links section. The two-eyedropper method is best to check molarity sometimes while you start the solution. You don t need to put in any copper
2006-02-09 by braincambre500
Hello Dennis, Well, I tried many a times...but I seem to not get all of the toner off of the transparency. I went 10 seconds, then 30 seconds, then 1 minutes,
2006-02-09 by dl5012
Hi Patrick, I use Eagle Lite. That version will do small double sided boards free. Download from http://www.eaglesoft.de/freeware Prep your boards the normal
2006-02-09 by braincambre500
Hello Sir Dennis, Yes, I just got back from Office Depot and have in hand... an HP Laserjet 1020 printer + 50 pack of laserjet transparencies I am looking
2006-02-09 by Steve
Blasted dihydrogen monoxide! When will they ban that dangerous substance? I hear that industrial waste chemical is even showing up in the environment in
2006-02-09 by petere_au
g day has anyone tried the cheap laser printers for toner transfer? If so, how were the results? Good, bad or indifferent? tia pete
2006-02-09 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File :
2006-02-09 by mycroft2152
Hi Jim, Congrats on your purchase. I ve had great success with mine. I ve run the thicker boards through the 1910. the trick is to feed them in at a slight
2006-02-08 by dl5012
There was a college kid at the University of Oregon who killed himself by trying to drink 5 gallons of water. It was a stupid Frat initiation stunt. I tell