The scanning thermal probe microscope measures a thermal parameter such as thermal conductivity or temperature of surface contours of a specimen with a thermal sensor maintained in thermal communication with the surface of the specimen and maintained at a temperature different than that of the specimen....http://www.google.com.au/patents/US5441343?utm_source=gb-gplus-sharePatent US5441343 - Thermal sensing scanning probe microscope and method for measurement of thermal parameters of a specimen