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

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: [Homebrew_PCBs] Inkjet Transparency Material

From: "Leon Heller" <leon.heller@...>
Date: 2006-12-20

----- Original Message -----
From: "Bora Dikmen" <bora_dikmen@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Wednesday, December 20, 2006 6:58 AM
Subject: [Homebrew_PCBs] Inkjet Transparency Material


> >Did you use dry film, and laminate the PCB?
>
> "At this point, I'm using the more expensive pre
> coated board material, the main reason being ease of
> access, (3 retail suppliers in my area)."
>
> What is the minimum reliable trace width with these
> pre-coated board material? 6 mils possible?

I can get 5 mils for text, but I'm not sure how reliable it is for tracks.
I've tried two short test tracks between 0.1" IC pads, and they were OK.
High-res resist is available for the pre-coated boards I use, and might be
better.

Leon