According to one embodiment of the invention, a method is provided for cooling heat-generating structure disposed in an environment having an ambient pressure. The heat-generating structure includes electronics. The method includes providing a coolant, reducing a pressure of the coolant to a subambient...http://www.google.se/patents/US7908874?utm_source=gb-gplus-sharePatent US7908874 - Method and apparatus for cooling electronics with a coolant at a subambient pressure