Method and apparatus for detecting defects in a material in a liquid bath
US6870610B1 · kind B1 · utility
3Cited by
19References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2002 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Oct 10, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/896
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system and method for detecting defects in a material in a liquid bath, the system including a light that illuminates the material through the liquid bath, at least one camera with a view of the material through the liquid bath, and a digital processor in communication with the at least one camera. The at least one camera transmits image data to the digital processor and the digital processor analyzes the image data to identify defects in the material. In an embodiment of the invention, the system includes an anti-turbulence interface through which the at least one camera views the material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.