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Subject: Re: [Homebrew_PCBs] Re: Using pico projectors and maskless exposure

From: Simao Cardoso <simaocardoso@...>
Date: 2009-07-04

On Fri, 2009-07-03 at 10:11 -0500, Troy wrote:
> Looks like the copper sheets could be used for inkjet as well. I
> wonder
> what else the sheets could be attached to (fr4 can't be the only
> option...)?

There are some power modules that use smd transistors soldered on very
thin fr4 boards which are glued to thick aluminium plate. It works at
the same time as pcb and as cooler. They are single sided and NO trough
holes.


>