Probe card
US6909297B2 · kind B2 · utility
59Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2004 |
| Grant date | Jun 21, 2005 |
| Priority date | — |
| Expiry date | Jan 12, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R1/07342
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A probe card is provided which includes a plurality of stacked signal printed circuit boards for transmitting signals, and a plurality of ground printed circuit boards respectively interposed between the signal printed circuit boards. To reduce ground noise, each of the ground printed circuit boards includes a plurality of conductive ground regions which are insulated from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.