Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710881 | Heterodyne interferometry for small spacing measurement | Krishnan Venkatakrishnan | 2004-03-23 |
| 6555781 | Ultrashort pulsed laser micromachining/submicromachining using an acoustooptic scanning device with dispersion compensation | Krishnan Venkatakrishnan | 2003-04-29 |
| 6525331 | Ball grid array (BGA) package on-line non-contact inspection method and system | Fan Hua | 2003-02-25 |
| 6320665 | Acousto optic scanning laser vibrometer for determining the dynamic properties of an object | Krishnan Venkatakrishnan | 2001-11-20 |
| 6307799 | Acousto optic data storage system on a stationary and high density data storage media | Krishnan Venkatakrishnan | 2001-10-23 |
| 6285002 | Three dimensional micro machining with a modulated ultra-short laser pulse | Krishnan Venkatakrishnan | 2001-09-04 |
| 6271924 | Noncontact acoustic optic scanning laser vibrometer for determining the difference between an object and a reference surface | Krishnan Venkatakrishnan | 2001-08-07 |
| 6195208 | Single aspherical lens for de-astigmatism, collimation, and circulation of laser beams | Zhou Xiaoqun, Koh Soon Seong | 2001-02-27 |