US4319803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical fiber coating
Assignee: HP Inc
•
Filing: 1978-11-24
•
Granted: 1982-03-16
•
Expires: 1998-11-24
Abstract
Abstract An optical fiber is coated with an inorganic non-metallic coating to form a thin seal. The coating is preferably applied on-line by a process such as chemical vapor deposition.
Inventors
- 👤 Robert A. Burmeister
- 👤 Paul E. Greene
- 👤 Ronald Hiskes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:12
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/44; G02B6/4401; G02B6/4402; C; C03; C03C; C03C25/00; C03C25/10; C03C25/104; C03C25/106; C03C25/1061
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
19 words
A method for hermetically sealing an optical fiber by applying a coat consisting essentially of silicon, nitrogen and oxygen.
Claim 2
Independent Claim
19 words
A method for hermetically sealing an optical fiber by applying a coat consisting essentially of silicon, nitrogen and oxygen.
Claim 3
Dependent Claim
16 words
A method as recited in claim 1 wherein the coat is applied by chemical vapor deposition.
Claim 4
Dependent Claim
23 words
A method as recited in claim 2 wherein the reaction temperature is selected to lie in the range 200° C. to 1400° C.
Claim 5
Independent Claim
19 words
A method for hermetically sealing an optical fiber by applying a coat consisting essentially of boron, nitrogen and oxygen.
Claim 6
Independent Claim
19 words
A method for hermetically sealing an optical fiber by applying a coat consisting essentially of boron, nitrogen and oxygen.
Claim 7
Dependent Claim
16 words
A method as recited in claim 4 wherein the coat is applied by chemical vapor deposition.
Claim 8
Dependent Claim
23 words
A method as recited in claim 5 wherein the reaction temperature is selected to lie in the range 200° C. to 1400° C.
Claim 9
Dependent Claim
15 words
An optical fiber coated with a hermetic material consisting essentially of silicon, nitrogen and oxygen.
Claim 10
Dependent Claim
15 words
An optical fiber coated with a hermetic material consisting essentially of silicon, nitrogen and oxygen.
Claim 11
Dependent Claim
15 words
An optical fiber coated with a hermetic material consisting essentially of boron, nitrogen, and oxygen.
Claim 12
Dependent Claim
15 words
An optical fiber coated with a hermetic material consisting essentially of boron, nitrogen, and oxygen.
References Cited (Backward Citations)
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Cited
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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) | 1985-03-15 | 1985-09-14 | 1986-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-15 | 1989-09-14 | 1990-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-15 | 1993-09-14 | 1994-03-16 | $7700.00 | Window Closed / Lapsed |