A selectively protected electrical system includes or operates with a power source, a load, a power driver circuit for controllably transferring power from the power source to the load, the power driver circuit being encapsulated in a potting material, and a controller for enabling and disabling the...http://www.google.de/patents/US7187528?utm_source=gb-gplus-sharePatent US7187528 - Selective potting for controlled failure and electronic devices employing the same