IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0354090
(2012-01-19)
|
등록번호 |
US-9028158
(2015-05-12)
|
우선권정보 |
WO-PCT/US2012/021559 (2012-01-17) |
발명자
/ 주소 |
- Wiley, Robert G.
- Clark, Brett
- Lower, John
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
18 |
초록
▼
A multi-stage fiber processing system comprises first and second fiber holders configured to hold respective portions of at least one fiber and a plurality of heat sources arranged between the first and second fiber holders and configured to provide a heat zone that axially extends about the at leas
A multi-stage fiber processing system comprises first and second fiber holders configured to hold respective portions of at least one fiber and a plurality of heat sources arranged between the first and second fiber holders and configured to provide a heat zone that axially extends about the at least on fiber. The first and second fiber holders can be configured to translate away from each other for tapering. The plurality of heat sources can include two 3 electrode heat sources that deliver an extended, substantially isothermic heat field axially about the fiber. All but one heat source can be turned off to splice the fiber. The two 3 electrode heat sources can generate 9 arcs to from the heat zone, wherein arcs between the two 3 electrode heat sources can be rotated about the at least one fiber.
대표청구항
▼
1. A multi-stage fiber processing system, comprising: first and second fiber holders configured to hold respective portions of at least one fiber; anda plurality of heat sources arranged between the first and second fiber holders and configured to provide a substantially uniform heat zone that exten
1. A multi-stage fiber processing system, comprising: first and second fiber holders configured to hold respective portions of at least one fiber; anda plurality of heat sources arranged between the first and second fiber holders and configured to provide a substantially uniform heat zone that extends axially between the heat sources about the at least on fiber,wherein the plurality of heat sources includes two 3 electrode heat sources. 2. The system of claim 1, wherein at least one heat source of the plurality of heat sources is a multi-electrode heat source. 3. The system of claim 1, wherein at least one of the 3 electrode heat sources comprises 3 electrodes in a “Y” configuration. 4. The system of claim 1, wherein at least one of the 3 electrode heat sources comprises 3 electrodes in a “T” configuration. 5. The system of claim 1, wherein for each 3 electrode heat source, a first arc is formed between a first electrode and a second electrode, a second arc is formed between the second electrode and a third electrode, and a third arc is formed between the third electrode and the first electrode. 6. The system of claim 1, wherein the two 3 electrode heat sources are disposed in a 22″ to 24″ Hg gauge vacuum, 200 to 150 torr absolute. 7. The system of claim 1, wherein the two 3 electrode heat sources can be disposed in an oxygen-enriched partial vacuum with plasma at a temperature of not more than about 400° C. 8. The system of claim 1, wherein the plurality of heat sources includes two 3 electrode heat sources configured to generate nine arcs, including 3 arcs between the two 3 electrode heat sources. 9. The system of claim 8, wherein each of the nine arcs is independently controlled. 10. The system of claim 8, wherein the system is configured to rotate the 3 arcs between the two 3 electrode heat sources in a clockwise direction about an axis of the at least one fiber. 11. The system of claim 8, wherein the system is configured to rotate the 3 arcs between the two 3 electrode heat sources in a counterclockwise direction about the axis of the at least one fiber. 12. The system of claim 8, further comprising a different transformer configured to drive each electrode of each of the 3 electrode heat sources. 13. The system of claim 8, further comprising a common transformer configured to drive at least one electrode from each of the 3 electrode heat sources. 14. The system of claim 1, wherein heat zone has a temperature up to about 3000° C. 15. The system of claim 1, wherein the heat zone has a width in a range of 1 mm to 10 mm. 16. The system of claim 1, wherein the heat zone is about 3 mm. 17. The system of claim 1, wherein the first fiber holder and second fiber holder are translatable away from the heat zone. 18. The system of claim 1, wherein the heat zone is a substantially uniform heated plasma field. 19. The system of claim 1, wherein the heat zone is substantially isothermic. 20. The system of claim 1, wherein the at least one fiber is a fiber bundle. 21. The system of claim 1, wherein the at least one fiber is a large diameter fiber of 400 μm to 600 μm. 22. A method of fiber processing, comprising: holding respective portions of at least one fiber with first and second fiber holders; andproviding a substantially uniform heat zone about the at least one fiber extending axially between a plurality of heat sources arranged between the first and second fiber holders,wherein the plurality of heat sources includes two 3 electrode heat sources. 23. The method of claim 22, further comprising: tapering the at least one fiber by selectively translating the first and second fiber holder away from each other. 24. The method of claim 22, further comprising: cleaving the at least one fiber; andsplicing the at least one fiber with only one of the plurality of heat sources. 25. The method of claim 22, wherein each 3 electrode heat source comprises 3 electrodes in a “Y” configuration. 26. The method of claim 22, wherein each 3 electrode heat source comprises 3 electrodes in a “T” configuration. 27. The method of claim 22, wherein forming the heat zone comprises, for each 3 electrode heat source: generating a first arc is formed between a first electrode and a second electrode;generating a second arc is formed between the second electrode and a third electrode; andgenerating a third arc is formed between the third electrode and the first electrode. 28. The method of claim 22, disposing the two 3 electrode heat sources in a 22″ to 24″ Hg gauge vacuum, 200 to 150 torr absolute. 29. The method of claim 22, wherein the plurality of heat zones includes two 3 electrode heat sources generating nine arcs, including forming 3 arcs between the two 3 electrode heat sources. 30. The method of claim 29, further comprising independently controlling each of the nine arcs. 31. The method of claim 29, further comprising rotating the 3 arcs between the two 3 electrode heat sources about an axis of the at least one fiber in a clockwise direction. 32. The method of claim 29, further comprising rotating the 3 arcs between the two 3 electrode heat sources about an axis of the at least one fiber in a counterclockwise direction. 33. The system of claim 29, further comprising a different transformer configured to drive each electrode of each of the 3 electrode heat sources. 34. The system of claim 29, further comprising a common transformer configured to drive at least one electrode from each of the 3 electrode heat sources. 35. The method of claim 22, wherein the heat zone has a temperature up to about 3000° C. 36. The method of claim 22, wherein the heat zone has a width in a range of 1mm to 10 mm. 37. The method of claim 22, wherein the heat zone is about 3 mm. 38. The method of claim 22, further comprising translating the first fiber holder and second fiber holder away from the heat zone. 39. The method of claim 22, wherein the heat zone is a substantially uniform heated plasma field. 40. The method of claim 22, wherein the at least one fiber is a large diameter fiber of 400 μm to 600 μm. 41. The method of claim 22, wherein the heat zone is substantially isothermic. 42. The method of claim 22, wherein the at least one fiber is a fiber bundle. 43. The method of claim 22, wherein the at least one fiber is a large diameter fiber in a range of about 400 μm to 600 μm. 44. A multi-stage fiber tapering system comprises: first and second fiber holders configured to hold respective portions of at least one fiber and to translate away from each other; andfirst and second 3 electrode heat sources arranged between the first and second fiber holders and configured to provide a substantially uniform heat zone that extends axially between the heat sources about the at least on fiber, the heat zone being a substantially uniform heated plasma field. 45. The system of claim 44, wherein for each 3 electrode heat source, a first arc is formed between a first electrode and a second electrode, a second arc is formed between the second electrode and a third electrode, and a third arc is formed between the third electrode and the first electrode. 46. The system of claim 44, further comprising a different transformer configured to drive each electrode of each of the 3 electrode heat sources. 47. The system of claim 44, further comprising a common transformer configured to drive at least one electrode from each of the 3 electrode heat sources. 48. The system of claim 44, further comprising at least one stepper motor arranged to translate at least one of the first and second fiber holders. 49. The system of claim 44, wherein the at least one fiber is a fiber bundle. 50. The system of claim 44, wherein the at least one fiber is a large diameter fiber of 400 μm to 600 μm. 51. The system of claim 44, wherein the plurality of heat sources includes two 3 electrode heat sources configured to generate nine arcs, including 3 arcs between the two 3 electrode heat sources. 52. The system of claim 51, wherein each of the nine arcs is independently controlled. 53. The system of claim 51, wherein the system is configured to rotate the 3 arcs between the two 3 electrode heat sources in a clockwise direction about an axis of the at least one fiber. 54. The system of claim 51, wherein the system is configured to rotate the 3 arcs between the two 3 electrode heat sources in a counterclockwise direction about the axis of the at least one fiber.
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