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 21620 - 21649 of 23863   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
21620
Yeah, powder is as cheap as anything, you don't even bother working out the coat of what you used (unless it's the 'glow in dark' $$$ stuff. Clear is the...
Tony Smith
dropcat2001
Offline Send Email
Nov 1, 2008
8:13 am
21621
I just bought a wireless laserjet printer from Best Buy, Brother HL- 2170W. And, Kodak paper Gloss Instant Dry 48LB 6.5 mil. I did an iron transfer, let it...
Brian
blue_eagle74
Offline Send Email
Nov 2, 2008
12:47 am
21622
Hello, I think that this URL might be useful for those who want understand the chemistry behind an etching process. Bye   ...
Ground Grunging
groundgrunging
Offline Send Email
Nov 3, 2008
12:51 pm
21623
I searched for TT and got 1000's or returns, on this group and the web, so I thought I would ask here. I did a TT. Good results before. I have tried to peel...
Brian
blue_eagle74
Offline Send Email
Nov 5, 2008
4:27 am
21624
"Brian" <blue_eagle74@...> wrote: I used rubber ... Fingernail polish remover also contains oils to give your nails a fighting chance. Use straight acetone, it...
warrenbrayshaw
Offline Send Email
Nov 5, 2008
4:51 am
21625
IMHO, if the toner doesn't stick, you didn't get it hot enough....
DJ Delorie
djdelorie
Offline Send Email
Nov 5, 2008
5:03 am
21626
I just use dish washing detergent to clean the board. I scrub it well in various directions with steel wool, which creates lots of fine scratches which may...
James Bishop
jim124816
Offline Send Email
Nov 5, 2008
5:10 am
21627
Did you preheat the copper clad?? Very important. Roland F. Harriston, PD...
Roland F. Harriston
mandella33
Offline Send Email
Nov 5, 2008
6:13 am
21628
... i never did, but then i never had much success, i think this may be a clue......... but.... if you clean it and then heat it, does it not tarnish/oxidize ...
Lez
lez_briddon
Online Now Send Email
Nov 5, 2008
8:48 am
21629
... a 'good' polish remover is a 'bad' chemical for cleaning. it is enough (and good) to only scrub the board with *abrasive* kitchen cleaner with detergent....
Herbert E. Plett
cachureos
Offline Send Email
Nov 5, 2008
1:37 pm
21630
... Abrasion is the key. Personally, I use soapy water and fine grit wet+dry paper to clean the board prior to ironing. The soapy water helps to prevent any...
Dylan Smith
alioth10
Offline Send Email
Nov 5, 2008
1:54 pm
21631
Well I am new to this group but I'll share what I've found with TT. I have gotten very mixed results with TT until I turned into a clean freak. I scrub my...
demolitron
Offline Send Email
Nov 5, 2008
2:35 pm
21632
If you think about a while, you will realize that in the original "Xerox" process....... and our "Toner Transfer" is merely a corruption of that basic process,...
Roland F. Harriston
mandella33
Offline Send Email
Nov 5, 2008
3:28 pm
21633
The majority of problems I have encountered with parts of traces not adhering are from oils or corrosion on the board, seldom a heat problem. Solutions - wash...
RICHARD HEILIGER
rdheiliger
Offline Send Email
Nov 6, 2008
6:37 am
21634
What brand of inkjet transparency do you use ? I've tried some but didn't got good results. ... From: demolitron <ahardinger@...> Subject:...
Michel Baguet
bagmik
Offline Send Email
Nov 6, 2008
7:59 am
21635
Richad H. I agree with most of your observations. Perhaps using a laminator precludes the need to preheat the copper clad. I use a household iron, and find...
Roland F. Harriston
mandella33
Offline Send Email
Nov 6, 2008
2:46 pm
21636
A little different subject from most message traffic: Anyone know of a method to (hopefully easily) determine the copper weight on unetched material (probably...
Don Jackson AE5K
ae5k_list
Offline Send Email
Nov 6, 2008
3:54 pm
21637
... From: "Don Jackson AE5K" <don@...> To: <Homebrew_PCBs@yahoogroups.com> Sent: Wednesday, November 05, 2008 2:46 PM Subject: [Homebrew_PCBs] Determining...
leon Heller
leon_heller
Offline Send Email
Nov 6, 2008
4:28 pm
21638
... I think you'd have to sacrifice a very small area, and peel the foil back with a knife. Measure that thickness, and then compare. Harvey...
Harvey White
madyn48
Offline Send Email
Nov 6, 2008
4:42 pm
21639
Can you peel up a corner and measure the thickness with a dial indicator?...
DJ Delorie
djdelorie
Offline Send Email
Nov 6, 2008
4:44 pm
21640
Thanks for the suggestion(s) for determining copper weight of some copper clad material. I'll see if the old micrometer can tell me something. All three...
Don Jackson AE5K
ae5k_list
Offline Send Email
Nov 6, 2008
8:29 pm
21641
[Non-text portions of this message have been removed]...
Roland F. Harriston
mandella33
Offline Send Email
Nov 6, 2008
8:38 pm
21642
Use this. This information is readily availabe via a Google search. The copper in a PCB is rated in ounces, and represents the thickness of 1 ounce of copper...
Roland F. Harriston
mandella33
Offline Send Email
Nov 6, 2008
8:48 pm
21643
I spent ages (years) trying to get TT working. I'm sure lots of people have found that irons, etc do the job, but after about 5 years of frustration, another...
phildimond
Offline Send Email
Nov 7, 2008
2:05 am
21644
I was using pretty much the same procedure (before Toner Dusting that is) Look for a laminator that has an adjustable temp setting. There is a Xerox branded...
Myc Holmes
mycroft2152
Online Now Send Email
Nov 7, 2008
2:49 am
21645
I did use an iron to begin with. I think the advantage of a laminator is the even pressure and temperature across the board. I also don't get increased trace...
RICHARD HEILIGER
rdheiliger
Offline Send Email
Nov 7, 2008
3:18 am
21646
Phil Would the laminator you mentioned be the GBC Creative "Blue" *Part Number:* 1712730R This is a very inexpensive machine, to say the least. And you say...
Roland F. Harriston
mandella33
Offline Send Email
Nov 7, 2008
3:33 am
21647
Yeah I purchased the Office One paper about two years ago, so I suspect they don't make it anymore. Thanks for the update on the new Hammermill paper, but at...
Roland F. Harriston
mandella33
Offline Send Email
Nov 7, 2008
3:42 am
21648
Here are the details for Cu thickness & clad weight: Copper Weight: it defines the number of ounce copper on 1 sq. ft. area, such as 0.5, 1.0, 2.0, 3.0 oz,...
Hugh Weinrich
hughaw
Offline Send Email
Nov 7, 2008
5:16 am
21649
I think the gray you see on the toner is clay. Most gloss papers use a clay coating on the paper surface. I have found that using a bit of dish soap and a...
RICHARD HEILIGER
rdheiliger
Offline Send Email
Nov 8, 2008
4:26 am
Messages 21620 - 21649 of 23863   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