Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404912 | Method and apparatus for visually inspecting an object | David Charles Lehnen, Tonya Marie Twine | 2002-06-11 |
| 6160906 | Method and apparatus for visually inspecting an object | David Charles Lehnen, Tonya Marie Twine | 2000-12-12 |
| 6128404 | Method of detecting defects in semiconductor package leads | — | 2000-10-03 |
| 6009187 | Wafer prober having an emissive display inspection system and method of use | David Charles Lehnen, Scott R. Novis, Anthony J. Angelo | 1999-12-28 |
| 5982493 | Apparatus and method for acquiring multiple images | David Charles Lehnen | 1999-11-09 |
| 5563703 | Lead coplanarity inspection apparatus and method thereof | James E. Hopkins | 1996-10-08 |
| 5452368 | Method of detecting defects in semiconductor package leads | — | 1995-09-19 |
| 5246291 | Bond inspection technique for a semiconductor chip | Paul A. Ogden, Shay-Ping T. Wang | 1993-09-21 |
| 5212390 | Lead inspection method using a plane of light for producing reflected lead images | Shay-Ping T. Wang | 1993-05-18 |
| 5204910 | Method for detection of defects lacking distinct edges | — | 1993-04-20 |
| 5201841 | Thermal delay non-destructive bond integrity inspection | Shay-Ping T. Wang | 1993-04-13 |
| 5137362 | Automatic package inspection method | — | 1992-08-11 |
| 5129009 | Method for automatic semiconductor wafer inspection | — | 1992-07-07 |
| 5115475 | Automatic semiconductor package inspection method | — | 1992-05-19 |
| 4844576 | Light diffuser | — | 1989-07-04 |