Resin optical waveguide
US10409000B2 · kind B2 · utility
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3References
8Claims
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Assignee
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Key dates
| Filing date | Jan 31, 2018 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Jan 31, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12147
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A resin optical waveguide containing a core, an under cladding and an over cladding having refractive indices lower than that of the core, in which the resin optical waveguide has, at one end side of, a core-exposed section at which the over cladding is not present and the core and the under cladding nearby the core are exposed and, of the under cladding, a portion corresponding to the core-exposed section has a first layer and a second layer that satisfy a certain condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.