Homebrew PCBs

Hi Mark

Keep up your excellent work!

This is a very interesting application!  In addition to Robert's comments on
the opto interrupter accuracy here is a link to an accuracy evaluation of
them:

http://www.vinland.com/Opto-Interrupter.html

 

As for laminator issues, I think getting away from it and using a controlled
melt will long-term be much more preferable since the laminator inherently
tend to counteract what we want: Narrow accurate lines.  Applying pressure
to molten toner is asking for it to widen and possibly smear.  It is
difficult to get both pressure and temperature reliably and repeatedly
controlled at the same time.

Bertho

 

 

From Mark Lerman   Sent: Wednesday, April 02, 2008 19:32
----<snip
I used a precision optical sensor to find the leading edge of the 
board as it enters the printer. I wonder if I can make double sided 
boards with adequate registration? For now I think I'll stick with 
what I have. A double sided board can easily be made using thinner 
board and gluing two boards together using registration holes and pins.
Mark



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