Method and apparatus for testing a joint
US4581706A · kind A · utility
7Cited by
7References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1983 |
| Grant date | Apr 8, 1986 |
| Priority date | — |
| Expiry date | Jan 24, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A joint of a member joined by joining apparatus is tested by detecting an area of the joint and checking if the area has a predetermined value or not. A test apparatus includes an imaging device for imaging the joint on an image plane and converting the image to an electric signal and a processor for extracting the area of the joint from the electric signal from the imaging means to test the joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.