Inspection apparatus for printed wiring board
US5672978A · kind A · utility
32Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 1996 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Jun 3, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R1/07307
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An inspection electrode unit for printed wiring board, which includes an insulating substrate; an inspection electrode element set up on one side of the substrate in which inspection electrodes are formed at standard grids crosswise arranged and which element has a plurality of functional regions each having the same inspection electrode arrangement; and a connecting material for electrically connecting the inspection electrodes to one another which are placed in the corresponding positions of the plural functional regions, to form commonized electrodes therefore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.