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On Sat, Nov 22, 2008 at 09:28:22PM -0500, Alden Hart wrote:
> When I talked to the deal lucite manufacturers they claim they use a 
> process that uses 6 atmospheres and 375 degrees in the autoclave. The 
> video below looks to be accurate, but doesn't provide those details:
> 
> http://www.youtube.com/watch?v=AWxu5KlvnM8
> 
> When I approached the companies about embedding live circuits they all 
> said their process would kill the circuit. So now I'm looking for a way 
> to do this myself with the something approaching the quality of the deal 
> lucites.

I've also inquired about that kind of stuff with companies. Though, on
the one hand some of their sales staff enthusiasticly told me about how
they've put lots of watches through the process, when it came to
actually trying to put an order through they'd refuse saying that the
heat would kill the electronics, the batteries would explode, and/or
chemically react (never mind they're hermetically sealed) and it'd ruin
LCD screens. (that one is rather possible)

At school we have acrylic casting equipment, and I have done some
encapsulation of electronics, which has always worked just fine. The
only thing I've seen happen is that the chemicals seem to react with the
ink on the tandiran lithium primary batteries I uses and cause it to
smudge in interesting ways.


Thanks for the video BTW... The cardboard molds are a very good, and
simple, idea.

- -- 
http://petertodd.org 'peter'[:-1]@petertodd.org 
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