Testing device for bottom-emitting or bottom-detecting optical devices
US10801969B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 25, 2019 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Nov 25, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/2635
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A testing device for bottom-emitting or bottom-detecting optical devices may comprise a support structure to support a lower transparent chuck and an upper transparent chuck that includes a set of vacuum holes. In some implementations, a vacuum may be formed in a space between the lower transparent chuck and the upper transparent chuck when a vacuum pump is applied to an opening in a sidewall of the support structure. For example, the vacuum may create suction to cause an optical device under test to be mechanically secured on a top surface of the upper transparent chuck. The testing device may further comprise a photodetector disposed below the lower transparent chuck to detect light that travels through the upper transparent chuck and the lower transparent chuck when one or more probes complete an electrical path that causes the optical device under test to emit the light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.