Optical probe for wafer testing
US7020363B2 · kind B2 · utility
104Cited by
1References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2001 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Nov 13, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/241
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A first optical probe is used to test a planar lightwave circuit. In one embodiment, a second probe is used in combination with the first probe to test the planar lightwave circuit by sending and receiving a light beam through the planar lightwave circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.