Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
  topic list  

Subject: RE: [Homebrew_PCBs] Re: more experiments with Toner transfer by etching the boards first [1 Attachment]

From: "Boman33" <boman33@...>
Date: 2016-01-26

I too like DJ’s test charts.
For quick visual testing take a look at:
http://vinland.com/USAF-1951.html

It includes besides horizontal and vertical lines, lines that are slightly
angled which is the worst case.
There is also a standard resolution test chart.
Bertho

_____________________________________________
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
Sent: Monday, January 25, 2016 23:08
To: Homebrew_PCBs@yahoogroups.com
Subject: RE: [Homebrew_PCBs] Re: more experiments with Toner transfer by
etching the boards first [1 Attachment]


DJ has excellent test artwork of traces 15 mil to 1 mil (.38mm to 0.025mm)
in pdf, png, and gerbers.

http://www.delorie.com/pcb/spirals/

From: Homebrew_PCBs@yahoogroups.com <mailto:Homebrew_PCBs@yahoogroups.com>
[mailto:Homebrew_PCBs@yahoogroups.com]
Sent: Monday, January 25, 2016 6:11 PM
To: Homebrew_PCBs@yahoogroups.com <mailto:Homebrew_PCBs@yahoogroups.com>
Subject: RE: [Homebrew_PCBs] Re: more experiments with Toner transfer by
etching the boards first



--------------------------------------------
On Sun, 1/24/16, mistuff@... <mailto:mistuff@...>
[Homebrew_PCBs] <Homebrew_PCBs@yahoogroups.com
<mailto:Homebrew_PCBs@yahoogroups.com> > wrote:

Subject: RE: [Homebrew_PCBs] Re: more experiments with Toner transfer by
etching the boards first
To: Homebrew_PCBs@yahoogroups.com <mailto:Homebrew_PCBs@yahoogroups.com>
Date: Sunday, January 24, 2016, 9:16 AM

Good information. I have tried many times to get thermal transfer to work
with a Brother printer, but it seems the toner just does not want to melt
like some other printers apparently do. I will try laquer thinner next time
I make a board. I did see a post that pre-etching the board a few seconds
helps with adhesion.

Bob










(pure) = shortcut notation that I did not modify it
by adding anything else. It is "acetone" (bought
in Homedepot paint department. It is not "nail polish
remover" which most likely contains acetone but my also
have other stuff in it.
I printed some text
on a sheet of paper using the Brothers printer. I then
deposited (in different spots) acetone, Isopropal alcohol,
Methal alcohol, MEK, Naptha, and Laquer thinner. At each
spot, I put a blank piece of paper and held it for about a
minute. The Laquer thinner location was the only spot in
which there was actually a transfer of print on to the blank
paper.

I didn't
perform any other test because I'm busy with other stuff
right now and I'm not experienced in using the chemical
transfer process. That is why I suggested that someone
already doing chemical transfer (and having a Brothers
printer) give this a try on PCB and tell us the results. I
have no idea how well this transfer would stick to PCB for
etching.









#yiv1387003446 #yiv1387003446 --
#yiv1387003446ygrp-mkp {
border:1px solid #d8d8d8;font-family:Arial;margin:10px
0;padding:0 10px;}

#yiv1387003446 #yiv1387003446ygrp-mkp hr {
border:1px solid #d8d8d8;}

#yiv1387003446 #yiv1387003446ygrp-mkp #yiv1387003446hd {
color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px
0;}

#yiv1387003446 #yiv1387003446ygrp-mkp #yiv1387003446ads {
margin-bottom:10px;}

#yiv1387003446 #yiv1387003446ygrp-mkp .yiv1387003446ad {
padding:0 0;}

#yiv1387003446 #yiv1387003446ygrp-mkp .yiv1387003446ad p {
margin:0;}

#yiv1387003446 #yiv1387003446ygrp-mkp .yiv1387003446ad a {
color:#0000ff;text-decoration:none;}
#yiv1387003446 #yiv1387003446ygrp-sponsor
#yiv1387003446ygrp-lc {
font-family:Arial;}

#yiv1387003446 #yiv1387003446ygrp-sponsor
#yiv1387003446ygrp-lc #yiv1387003446hd {
margin:10px
0px;font-weight:700;font-size:78%;line-height:122%;}

#yiv1387003446 #yiv1387003446ygrp-sponsor
#yiv1387003446ygrp-lc .yiv1387003446ad {
margin-bottom:10px;padding:0 0;}

#yiv1387003446 #yiv1387003446actions {
font-family:Verdana;font-size:11px;padding:10px 0;}

#yiv1387003446 #yiv1387003446activity {
background-color:#e0ecee;float:left;font-family:Verdana;font-size:10px;padd
ing:10px;}

#yiv1387003446 #yiv1387003446activity span {
font-weight:700;}

#yiv1387003446 #yiv1387003446activity span:first-child {
text-transform:uppercase;}

#yiv1387003446 #yiv1387003446activity span a {
color:#5085b6;text-decoration:none;}

#yiv1387003446 #yiv1387003446activity span span {
color:#ff7900;}

#yiv1387003446 #yiv1387003446activity span
.yiv1387003446underline {
text-decoration:underline;}

#yiv1387003446 .yiv1387003446attach {
clear:both;display:table;font-family:Arial;font-size:12px;padding:10px
0;width:400px;}

#yiv1387003446 .yiv1387003446attach div a {
text-decoration:none;}

#yiv1387003446 .yiv1387003446attach img {
border:none;padding-right:5px;}

#yiv1387003446 .yiv1387003446attach label {
display:block;margin-bottom:5px;}

#yiv1387003446 .yiv1387003446attach label a {
text-decoration:none;}

#yiv1387003446 blockquote {
margin:0 0 0 4px;}

#yiv1387003446 .yiv1387003446bold {
font-family:Arial;font-size:13px;font-weight:700;}

#yiv1387003446 .yiv1387003446bold a {
text-decoration:none;}

#yiv1387003446 dd.yiv1387003446last p a {
font-family:Verdana;font-weight:700;}

#yiv1387003446 dd.yiv1387003446last p span {
margin-right:10px;font-family:Verdana;font-weight:700;}

#yiv1387003446 dd.yiv1387003446last p
span.yiv1387003446yshortcuts {
margin-right:0;}

#yiv1387003446 div.yiv1387003446attach-table div div a {
text-decoration:none;}

#yiv1387003446 div.yiv1387003446attach-table {
width:400px;}

#yiv1387003446 div.yiv1387003446file-title a, #yiv1387003446
div.yiv1387003446file-title a:active, #yiv1387003446
div.yiv1387003446file-title a:hover, #yiv1387003446
div.yiv1387003446file-title a:visited {
text-decoration:none;}

#yiv1387003446 div.yiv1387003446photo-title a,
#yiv1387003446 div.yiv1387003446photo-title a:active,
#yiv1387003446 div.yiv1387003446photo-title a:hover,
#yiv1387003446 div.yiv1387003446photo-title a:visited {
text-decoration:none;}

#yiv1387003446 div#yiv1387003446ygrp-mlmsg
#yiv1387003446ygrp-msg p a span.yiv1387003446yshortcuts {
font-family:Verdana;font-size:10px;font-weight:normal;}

#yiv1387003446 .yiv1387003446green {
color:#628c2a;}

#yiv1387003446 .yiv1387003446MsoNormal {
margin:0 0 0 0;}

#yiv1387003446 o {
font-size:0;}

#yiv1387003446 #yiv1387003446photos div {
float:left;width:72px;}

#yiv1387003446 #yiv1387003446photos div div {
border:1px solid
#666666;height:62px;overflow:hidden;width:62px;}

#yiv1387003446 #yiv1387003446photos div label {
color:#666666;font-size:10px;overflow:hidden;text-align:center;white-space:
nowrap;width:64px;}

#yiv1387003446 #yiv1387003446reco-category {
font-size:77%;}

#yiv1387003446 #yiv1387003446reco-desc {
font-size:77%;}

#yiv1387003446 .yiv1387003446replbq {
margin:4px;}

#yiv1387003446 #yiv1387003446ygrp-actbar div a:first-child {
margin-right:2px;padding-right:5px;}

#yiv1387003446 #yiv1387003446ygrp-mlmsg {
font-size:13px;font-family:Arial, helvetica, clean,
sans-serif;}

#yiv1387003446 #yiv1387003446ygrp-mlmsg table {
font-size:inherit;font:100%;}

#yiv1387003446 #yiv1387003446ygrp-mlmsg select,
#yiv1387003446 input, #yiv1387003446 textarea {
font:99% Arial, Helvetica, clean, sans-serif;}

#yiv1387003446 #yiv1387003446ygrp-mlmsg pre, #yiv1387003446
code {
font:115% monospace;}

#yiv1387003446 #yiv1387003446ygrp-mlmsg ∗ {
line-height:1.22em;}

#yiv1387003446 #yiv1387003446ygrp-mlmsg #yiv1387003446logo {
padding-bottom:10px;}


#yiv1387003446 #yiv1387003446ygrp-msg p a {
font-family:Verdana;}

#yiv1387003446 #yiv1387003446ygrp-msg
p#yiv1387003446attach-count span {
color:#1E66AE;font-weight:700;}

#yiv1387003446 #yiv1387003446ygrp-reco
#yiv1387003446reco-head {
color:#ff7900;font-weight:700;}

#yiv1387003446 #yiv1387003446ygrp-reco {
margin-bottom:20px;padding:0px;}

#yiv1387003446 #yiv1387003446ygrp-sponsor #yiv1387003446ov
li a {
font-size:130%;text-decoration:none;}

#yiv1387003446 #yiv1387003446ygrp-sponsor #yiv1387003446ov
li {
font-size:77%;list-style-type:square;padding:6px 0;}

#yiv1387003446 #yiv1387003446ygrp-sponsor #yiv1387003446ov
ul {
margin:0;padding:0 0 0 8px;}

#yiv1387003446 #yiv1387003446ygrp-text {
font-family:Georgia;}

#yiv1387003446 #yiv1387003446ygrp-text p {
margin:0 0 1em 0;}

#yiv1387003446 #yiv1387003446ygrp-text tt {
font-size:120%;}

#yiv1387003446 #yiv1387003446ygrp-vital ul li:last-child {
border-right:none !important;
}
#yiv1387003446