20130285639 | METHOD OF ANALYZING A MATERIAL - A method of material analysis, including; placing an electrode in proximity to the material; applying a voltage signal to generate plasma, preferably Dielectric Barrier Discharge in Air, between the material and the electrode; moving the electrode relative to the surface; monitoring an electrical signal associated with the microdischarge; and detecting a change in a physical characteristic of the material through variation in the monitored signal. | 10-31-2013 |