According to the present invention, a cooling apparatus includes a refrigerant tank composed of at least a couple of thin plate materials facing each other and bonded together at bonding parts thereof, a heating body mounted on an outer surface of the thin plates, refrigerant sealed in the refrigerant...http://www.google.ca/patents/US5713413?utm_source=gb-gplus-sharePatent US5713413 - Cooling apparatus using boiling and condensing refrigerant
