Low modulus primary coatings for optical fibers
US9244221B1 · kind B1 · utility
5Cited by
13References
12Claims
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Key dates
| Filing date | Dec 10, 2013 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | May 28, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/02028
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A coated optical fiber includes an optical fiber; and a primary coating encapsulating the optical fiber, the primary coating having an in-situ modulus of about 0.12 MPa or less at a thickness of about 32.5 μm, a Young's modulus as a cured film of about 0.7 MPa or less, and a Tg of about −22° C. or below, wherein the primary coating is the cured reaction product of a primary curable composition having a gel-time ratio relative to C1 of less than about 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.