Patents


 Title Date of IssueU.S. Patent Number
Homodyne interferometer and method of sensing materialMay 4, 19995,900,935
Single beam laser surface velocity and displacement measurement apparatusDec. 28, 19996,008,887
Enhanced non-steady-state photo-induced electromotive force detectorJan. 29, 20026,342,721
Laser-based glass thickness measurement system and methodDec. 17, 20026,496,268
Enhanced photo-emf sensor with high bandwidth and large field of viewNov. 16, 20046,818,880
Material thickness measurement and apparatusJan. 4, 20056,837,109
Method and device for ultrasonic vibration detection during high-performance machiningOct. 10, 20067,117,741
Laser-ultrasonic detection of flip chip attachment defectsFeb. 5, 20087,327,448
Laser-ultrasonic detection of subsurface defects in processed metalsOct. 9, 20077,278,315