delorie.com/archives/browse.cgi   search  
Mail Archives: geda-user/2016/04/14/06:09:04

X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=m0n5t3r.info; s=m0n5t3r;
h=subject:to:references:from:message-id:date:user-agent:mime-version
:in-reply-to:content-transfer-encoding;
bh=xikQzJ053Dc5EIKvULC5FIaq1CsWz8eaxolxzA8Tg8A=;
b=oT5t8/lhaTFlS4vXVvSGGUzZgm5feW+yNiiI4j1xW7In/rv2zkXdYCO5K7Pd6qvNgB
KypwDpYdfcbrktmI5Mn1sUwW65gxvDOG1Wdbb8EW9YRm5B1wg5jnTpHBuGnn2QL4Jhgz
WoiwUrgl9f9J8zVff+04jTFaItj4A+y6JLrI0=
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20130820;
h=x-gm-message-state:subject:to:references:from:message-id:date
:user-agent:mime-version:in-reply-to:content-transfer-encoding;
bh=xikQzJ053Dc5EIKvULC5FIaq1CsWz8eaxolxzA8Tg8A=;
b=Pm7XtM5jV8TAuoG2DFwp9+objqyjAKARSGVXYBaspYgSpuo66gGz8AWluaA2UAPSIY
8oAGUFfYRmyJ8NBgJnbhVFOPYuBQA9ggEPlOiiQxcDK4zgj/j4cuc3ZHmUv4WSItqrOW
zKu/G6iaIV/1IYH4FEsh2+y/r5AKalKxurwGAS3pUbYeQ/am/mboxT10d5AZ1MBUc1hn
rf29e1icjAXQG+ER5Pm3OVUC5S9/LYE+nHUiilpo6PwIK17dTVrfJXCOHTWujKGPxO4H
tW7P5DJg53CYIBL7NB7IAf4om8Ze7UpHx3mfvzRHtWxneObg0xu7HFiDUVy6hv4vc9hs
vPEA==
X-Gm-Message-State: AOPr4FW6tZCF7hteZjb8E7sprV3ge3Cc1iFY/9PZLtYFZ+dJza1ow1gOB4gqxZzzfmyMbQ==
X-Received: by 10.28.99.214 with SMTP id x205mr16252939wmb.9.1460628523188;
Thu, 14 Apr 2016 03:08:43 -0700 (PDT)
Subject: Re: [geda-user] Some PCB output
To: geda-user AT delorie DOT com
References: <570F22A2 DOT 9090007 AT ecosensory DOT com>
From: "Sabin Iacob (iacobs AT m0n5t3r DOT info) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Message-ID: <570F6C29.1060503@m0n5t3r.info>
Date: Thu, 14 Apr 2016 13:08:41 +0300
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
Thunderbird/38.5.1
MIME-Version: 1.0
In-Reply-To: <570F22A2.9090007@ecosensory.com>
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com

On 04/14/2016 07:54 AM, John Griessen (john AT ecosensory DOT com) [via 
geda-user AT delorie DOT com] wrote:
>
> I made a photoresist for the first time after many times doing toner 
> transfer for prototype quick test single sided SMT boards. Toner 
> transfer was always lots of scrubbing.
>
> http://ecosensory.com/geda/FET-leak-test-photoresist-1.jpg 
> <https://u2655086.ct.sendgrid.net/wf/click?upn=NM-2BB8yPXqF3SI1y9Q83nXYyiE3TdYSrEhJrTVKxujckqUnfDtwANjC2ODtSr7ESNgI9btaLNak37N7P417S42K69TUTJpDp-2F2EXpghrcVqI-3D_kTMYR7gw96EXSJsK4eeHVzkKdlAq-2BspPcYaZStVviueZPrOCy7RTE89eNP02Y-2B5Ks6YvJPYVTSKAzGcfPHmJdru7z0JE4DZZVi268sy1vysVHEbjbXv9LgW2Mnpx7FG-2FxMvGpaxZKUVHDiWUpvTfB-2Fr-2Bm1EOqWEBp1AWURa5sWgXeei6np5cMYzxF-2FYRdaKd-2BAdiNWwXDnvFhmYOlrLFWU8Ptm1VYy0QiSQ3NwlyOf4-3D>
>

you'll find out that this kind of dry film resist also makes a decent 
solder resist ;)

too bad you can get it in any colour as long as it's blue

> Scrubbing the photoresist was quick and mild compared to the tedium of 
> toner transfer decal paper or photoprint paper removal. Doing it in 
> the dark makes you think twice before committing to it though. 
> Gathering all the stuff to do this took as long as a quick turn board 
> fab job would have, but next time it will be quick, and I see that 
> coming in a few more days…and quick turn only costs $60 on sale — more 
> like $130 usually… I'll publish the new footprints for the SOT 
> packages you see here tomorrow.
>

around here we have some kitchen stove cleaner that contains NaOH and 
isopropyl alcohol + other uninteresting stuff, strips dry film in 2-3 
minutes (will also strip skin, but much slower; still, gloves are a good 
idea)

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019