Search the web
Sign In
New User? Sign Up
Homebrew_PCBs · Homebrew Printed Circuit Boards
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Want to share photos of your group with the world? Add a group photo to Flickr.

Best of Y! Groups

   Check them out and nominate your group.
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.

Messages

  Messages Help
Advanced
Messages 21309 - 21338 of 23852   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
21309
... I have one of the small shear/breaks that Micro Mark advertises. They can be ordered from Harbor Freight I believe, as well. I don't remember which I got...
pork_u_pine2000
Offline Send Email
Sep 2, 2008
12:44 am
21310
Is it this benchtop shear at HF you guys are using?   http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=90757   dave mc   [Non-text portions...
Dave McD
davemac2
Offline Send Email
Sep 2, 2008
7:33 pm
21311
Dave, That's a nice unit you have. It looks well made, shouldn't have the issue that I had. Once I shimmed mine, it works great. Did yours have an angle to the...
Lee Studley
studleylee
Offline Send Email
Sep 2, 2008
10:23 pm
21312
Whilst searching for a walk-in supplier of black-lights, I came across a section on Wiki that suggests that CFL bulbs might produce more UV than a regular...
Wayne
warp_kez
Offline Send Email
Sep 3, 2008
1:21 pm
21313
Lee, I actually don't own that shear.  I'm just asking if this is the Harbor Freight unit you guys have been talking about.  How much did u pay for yours?  ...
Dave McD
davemac2
Offline Send Email
Sep 3, 2008
6:46 pm
21314
I think that is like the one Dave has. The one I had to repair is: http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=5907 -Lee...
Lee Studley
studleylee
Offline Send Email
Sep 3, 2008
10:17 pm
21315
Luc - I wanted to really thank you for this post. I've been trying to do toner transfers for .. well .. forever. Never got anything even vaguely useful. I am...
phildimond
Offline Send Email
Sep 4, 2008
8:14 am
21316
Just though I would mention that the Royal Auto mag (RACV) is great paper. With my samsung ml-2010, I didnt even need to soak the paper. It just peels off and...
James Bishop
jim124816
Offline Send Email
Sep 4, 2008
9:16 am
21317
Well, try number 2 wasn't great at all. Actually, it was dinky-di, true blue, slap-my-butt-and-call-me-Mary perfect! A couple of other notes... I used Scotch...
phildimond
Offline Send Email
Sep 4, 2008
9:49 am
21318
Hi guys. I wanted to ask if anyone ever found a way to hasten the quenching process in toner transfer method ? Thanks in advance - Liquias....
liquias
Offline Send Email
Sep 5, 2008
10:15 pm
21319
Hi, I got some HCl at 32% and H2O2 at 33% concentrations from our chemistry supply shop. How do I use these materials in order to etch? Do i need a special...
liquias
Offline Send Email
Sep 5, 2008
10:24 pm
21320
... http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/index.html...
drpain1313
Offline Send Email
Sep 5, 2008
11:29 pm
21321
For 1 liter, 700cc distilled water, 270cc HCl and 30cc H202. Keep your H202 in a very dark and cold place to minimize decomposition. You can use the mixture...
Michel Baguet
bagmik
Offline Send Email
Sep 6, 2008
7:46 am
21322
Forgot a few point. You can use plastic container. Air bubble improve etching time. And always put HCl into water, not water into HCl. Dissociation of an acid...
Michel Baguet
bagmik
Offline Send Email
Sep 6, 2008
8:42 am
21323
Phil, Glad you found my post useful. I, too, have switched to using pages from Australian Aviation magazine. I had a copy of it laying around the house and...
Luc Small
luc.small
Offline Send Email
Sep 6, 2008
9:55 am
21324
Hi Dave, ... I've been using that shear for several years now. I see that the price has gone up about 40% from when I bought mine. I've been using it to cut...
Dennis
dl5012
Offline Send Email
Sep 6, 2008
12:03 pm
21325
I am currently etching a PCB with 2 parts peroxide to 1 part muriatic acid. It is cloudy and cool here and I am doing it outside to avoid the fumes. It seems...
billshat44
Offline Send Email
Sep 6, 2008
3:04 pm
21326
Update...It finished at 11:00. Barely any copper came off in the first 30 minutes, but then the etching made noticeable progress. It must be the cool...
billshat44
Offline Send Email
Sep 6, 2008
5:31 pm
21327
Since you are going to dissolve the paper anyway, what could be faster than immersing it in water? It only takes a few seconds to cool.... ST...
Stefan Trethan
stefan_trethan
Offline Send Email
Sep 7, 2008
7:01 am
21328
What paper are you using? I am using Staples Photo Basic Gloss. I iron the transfer down for 5 minutes, then cool the pcb under cold water. Then I pull the...
billshat44
Offline Send Email
Sep 7, 2008
2:49 pm
21329
Hi ... I using matte paper. I print using laser printer (maximum  dark) on the matte paper. I iron the PCB with the matte paper  (by putting iron stationary...
Sapudulu Machine
sayomsu
Offline Send Email
Sep 7, 2008
7:20 pm
21330
What paper are you using? I am using Staples Photo Basic Gloss. I iron the transfer down for 5 minutes, then cool the pcb under cold water. Then I pull the...
billshat44
Offline Send Email
Sep 8, 2008
1:12 am
21331
I just thought that I would share my recent discovery. I was going to my local stores to find some of the specific paper that people have had success with and...
Jason_Kotecki
Offline Send Email
Sep 8, 2008
4:17 am
21332
Please note that HCl has a low boiling point (somewhere just above 50°C). You do not want to heat this etchant too much. ST...
Stefan Trethan
stefan_trethan
Offline Send Email
Sep 8, 2008
7:51 am
21333
I've been using a Samsung ML=2010 laser printer along witha a Xerox laminator for pcb for a while now. The Xerox branded laminator has an adjustable...
mycroft2152
Offline Send Email
Sep 9, 2008
2:28 pm
21334
*** Update *** I did some research for a formula using H202 (Hydrogen Peroxide) and HCL (Hydrochloric Acid or Muriatic Acid)and found out that I was using too...
billshat44
Offline Send Email
Sep 12, 2008
10:25 am
21335
"Fresh" 3% H2O2 will work. The problem is that once the bottle is opened the H2O2 starts to degrade and weaken. Almost anything will cause the H2O2 to...
Myc Holmes
mycroft2152
Offline Send Email
Sep 12, 2008
11:23 am
21336
Thanks for your reply. The H202 that I used was fresh right out of a new bottle of peroxide. I do not know why it didn't work for me as quickly as it do for...
billshat44
Offline Send Email
Sep 13, 2008
3:26 pm
21337
Has anyone successfully used a HP 5P printer to do toner transfers? I'm using paper from Pulsar with a laminator that they sell (bought from Digi_Key). The...
bdrmachine
Offline Send Email
Sep 13, 2008
5:07 pm
21338
... Yep, and it's not in the printer driver. Look for a program in the HP directory called HPPCFG or the like. That is what you need to run. It allows you to...
Harvey White
madyn48
Offline Send Email
Sep 13, 2008
6:09 pm
Messages 21309 - 21338 of 23852   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help