At 18.52 2005.09.21 -0400, you wrote:
>Hello all,
>
>I've just finished a product that uses a specialized dc/dc controller (designed for a wholly unrelated field) with some further tweaks to solve a particular thorny problem.
>
>It took three major redesigns to get here, 100s of hours, etc.
>
>But... it could be easily copied.  And can't be patented.
>
>So... at the very least I'm going to (carefully) sand off the markings on the IC.
>
>But it would be great to seal everything up as well.  Only the dc/dc section need be protected, there is no need to encapsulate everything. Ideally just a tablespoon of viscous goo poured over it.
>
>Now I realize there are limits to what can be protected, the goal is to make it hard enough that casual poking around won't yield any clues. The product is a specialized enough thing that there aren't many companies in the business field that would be interested in it, so it doesn't need to withstand some concerted, well-equipped "attack".
>
>Has anyone been in this situation before?


Yes. I used RS-Components 199-1452 and was happy about the results.


>Any advice appreciated!
>Thanks
>Jesse
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