An electronic component burn-in thermal control system which accurately and independently controls device case temperature with close-loop conductive heating is provided. A heat exchange device adapted to be placed in heat transfer relationship with the electronic component has a temperature profile...http://www.google.co.uk/patents/US5164661?utm_source=gb-gplus-sharePatent US5164661 - Thermal control system for a semi-conductor burn-in
Thermal control system for a semi-conductor burn-in