US4306897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating fatigue resistant optical fibers
Assignee: U S Holding Co Inc
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Filing: 1980-04-16
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Granted: 1981-12-22
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Expires: 2000-04-16
Abstract
Abstract The fatigue resistant optical fiber is fabricated by producing an optical fiber having an electrically conducting surface, heating the produced optical fiber, and coating the heated optical fiber with a material impervious to water and water vapor.
Inventors
- 👤 Mokhtar S. Maklad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:24
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/10; C03B37/14; C03B37/15; C03B37/01; C03B37/012; C03B37/01205; C03B37/01211; C03B37/02; C03B37/025; C03B37/027; C03B37/02718; C03C; C03C25/00; C03C25/10; C03C25/104; C03C25/106; C03C25/1061; C03C25/1063; C03B2205/00; C03B2205/56
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
91 words
A method of fabricating a fatigue resistant optical fiber, comprising the steps of: producing a completely formed, unsupported optical fiber having an electrically conducting surface; heating said produced optical fiber; and coating said heated optical fiber with a material impervious to water and water vapor; said step of producing including the steps of preparing an optical preform by a chemical vapor deposition technique, preparing an electrically conducting silica substrate tube containing carbon, placing said preform inside said tube, and collapsing said tube onto said preform to provide said produced optical fiber.
Claim 2
Independent Claim
91 words
A method of fabricating a fatigue resistant optical fiber, comprising the steps of: producing a completely formed, unsupported optical fiber having an electrically conducting surface; heating said produced optical fiber; and coating said heated optical fiber with a material impervious to water and water vapor; said step of producing including the steps of preparing an optical preform by a chemical vapor deposition technique, preparing an electrically conducting silica substrate tube containing carbon, placing said preform inside said tube, and collapsing said tube onto said preform to provide said produced optical fiber.
Claim 3
Dependent Claim
20 words
A method according to claim 1, wherein said step of heating includes direct current heating of said produced optical fiber.
Claim 4
Dependent Claim
30 words
A method according to claim 2, wherein said step of coating includes the step of employing a chemical vapor deposition technique to coat said heated optical fiber with said material.
Claim 5
Dependent Claim
28 words
A method according to claim 3, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 6
Dependent Claim
29 words
A method according to claim 2, wherein said step of coating includes the step of employing a thermal dissociation technique to coat said heated optical fiber with said material.
Claim 7
Dependent Claim
28 words
A method according to claim 5, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 8
Dependent Claim
21 words
A method according to claim 1, wherein said step of heating includes radio frequency power heating of said produced optical fiber.
Claim 9
Dependent Claim
30 words
A method according to claim 7, wherein said step of coating includes the step of employing a chemical vapor deposition technique to coat said heated optical fiber with said material.
Claim 10
Dependent Claim
28 words
A method according to claim 8, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 11
Dependent Claim
29 words
A method according to claim 7, wherein said step of coating includes the step of employing a thermal dissociation technique to coat said heated optical fiber with said material.
Claim 12
Dependent Claim
28 words
A method according to claim 10, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 13
Dependent Claim
30 words
A method according to claim 1, wherein said step of coating includes the step of employing a chemical vapor deposition technique to coat said heated optical fiber with said material.
Claim 14
Dependent Claim
28 words
A method according to claim 12, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 15
Dependent Claim
29 words
A method according to claim 1, wherein said step of coating includes the step of employing a thermal dissociation technique to coat said heated optical fiber with said material.
Claim 16
Dependent Claim
28 words
A method according to claim 14, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 17
Independent Claim
91 words
A method of fabricating a fatigue resistant optical fiber, comprising the steps of: producing a completely formed, unsupported optical fiber having an electrically conducting surface; heating said produced optical fiber; and coating said heated optical fiber with a material impervious to water and water vapor; said step of producing including the steps of preparing an optical preform by a chemical vapor deposition technique, preparing an electrically conducting silica substrate tube containing carbon, placing said preform inside said tube, and drawing said preform and said tube to provide said produced optical fiber.
Claim 18
Independent Claim
91 words
A method of fabricating a fatigue resistant optical fiber, comprising the steps of: producing a completely formed, unsupported optical fiber having an electrically conducting surface; heating said produced optical fiber; and coating said heated optical fiber with a material impervious to water and water vapor; said step of producing including the steps of preparing an optical preform by a chemical vapor deposition technique, preparing an electrically conducting silica substrate tube containing carbon, placing said preform inside said tube, and drawing said preform and said tube to provide said produced optical fiber.
Claim 19
Dependent Claim
20 words
A method according to claim 16, wherein said step of heating includes direct current heating of said produced optical fiber.
Claim 20
Dependent Claim
30 words
A method according to claim 17, wherein said step of coating includes the step of employing a chemical vapor deposition technique to coat said heated optical fiber with said material.
Claim 21
Dependent Claim
28 words
A method according to claim 18, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride carbon and nickel.
Claim 22
Dependent Claim
29 words
A method according to claim 17, wherein said step of coating includes the step of employing a thermal dissociation technique to coat said heated optical fiber with said material.
Claim 23
Dependent Claim
28 words
A method according to claim 20, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 24
Dependent Claim
21 words
A method according to claim 16, wherein said step of heating includes radio frequency power heating of said produced optical fiber.
Claim 25
Dependent Claim
30 words
A method according to claim 22, wherein said step of coating includes the step of employing a chemical vapor deposition technique to coat said heated optical fiber with said material.
Claim 26
Dependent Claim
28 words
A method according to claim 23, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 27
Dependent Claim
29 words
A method according to claim 22, wherein said step of coating includes the step of employing a thermal dissociation technique to coat said heated optical fiber with said material.
Claim 28
Dependent Claim
28 words
A method according to claim 25, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 29
Dependent Claim
30 words
A method according to claim 1, wherein said step of coating includes the step of employing a chemical vapor deposition technique to coat said heated optical fiber with said material.
Claim 30
Dependent Claim
28 words
A method according to claim 27, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
Claim 31
Dependent Claim
29 words
A method according to claim 1, wherein said step of coating includes the step of employing a thermal dissociation technique to coat said heated optical fiber with said material.
Claim 32
Dependent Claim
28 words
A method according to claim 29, wherein said material is selected from a group of materials consisting of Si 3 N 4 , silicone oxynitride, carbon and nickel.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-12-21 | 1985-06-22 | 1985-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-21 | 1989-06-22 | 1989-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-21 | 1993-06-22 | 1993-12-22 | $7700.00 | Window Closed / Lapsed |