Thermal Grease With Boron or Aluminum Nitride and Mineral Oil
Original Publication Date: 1981-Dec-01
Included in the Prior Art Database: 2005-Feb-08
An improved dielectric fluid has boron or aluminum nitride in a mineral oil carrier. This material has the advantage over a silicone based thermal grease that it can be removed from electronic components so that they can be repaired and reused. Several specific formulations have been developed and evaluated. Weight Percent Filler Carrier Ratio Conductivity Boron Nitride CONVOIL* 20 2 to 1 1.0 Boron Nitride Polyalpha Olefin 2.5 to 1 1.0 Boron Nitride CONVALEX* 10 1.4 to 1 1.0 Aluminum Nitride CONVALEX 10 2 to 1 1.65 Aluminum Nitride CONVOIL 20 2.3 to 1 1.46 The aluminum and boron nitride are in a lamellar form.