Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Chris Kleeschulte <laconia@...>
wrote:
>
> I wanted to rekindle the discussion about using CNC for pcb
fabrication. I
> love the toner transfer method, but I hate the chemicals and the
drilling. I
> think a CNC would alleviate this.
>
> What I have learned from this group and CNCzone forums is that CNC is
a
> whole other rabbit hole, but can be worth the time and effort. My
questions
> are:
>
> 1. Can I reasonably expect to get enough resolution to create designs
that
> use such things as SOIC and even TQFP IC packages from a CNC kit?
> 2. Is the fact that the FR4 is not flat (has peaks and valleys) going
to
> make it impossible to perform the CNC process of creating boards?
>
>
> What do big board houses do? Do they etch chemically or use CNC
techniques?
> I would think they would load a 4 foot by 8 foot sheet of stock and
etch it
> all at once.
>
> It would be really neat to just load in some double-side copper
cladded FR4
> and have the cad drawing etched and drilled. I remember someone saying
that
> small board houses were run out of business years ago because of
> environmental concerns, but I am not sure this has anything to do with
it.
>
>
> Chris
>
>
> [Non-text portions of this message have been removed]
>


You ca read this: http://www.accuratecnc.com/mithsandtruths.html
<http://www.accuratecnc.com/mithsandtruths.html>

Ivan



[Non-text portions of this message have been removed]