Welcome to Advanced Technology Corporation. The world's sole source for the Portable/In-Situ Stress-Strain Microprobe (SSM) System. (U.S. Patent No. 4, 852, 397) SSM-B1000 shown with environmental chamber, X-Y table, video camera, monitor SSM-M1000 used to test pipelines in a refinery. Our Mission ATC's mission is to revolutionize mechanical testing with its innovative, patented Portable/In-Situ ...