A compact flourescent lamp in which the level of illumination is controlled by a triac dimmer. Premature turn off of the triac dimmer is avoided through the serial combination of at least one resistor and at least one capacitor forming a snubber placed across the output of the electromagnetic interference...http://www.google.co.uk/patents/US6043611?utm_source=gb-gplus-sharePatent US6043611 - Dimmable compact fluorescent lamp