CN104816218B - A kind of full-automatic making apparatus of lens fiber and method - Google Patents
A kind of full-automatic making apparatus of lens fiber and method Download PDFInfo
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- CN104816218B CN104816218B CN201510165388.5A CN201510165388A CN104816218B CN 104816218 B CN104816218 B CN 104816218B CN 201510165388 A CN201510165388 A CN 201510165388A CN 104816218 B CN104816218 B CN 104816218B
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- rubbing down
- fiber
- optical fiber
- lens
- polish
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/25—Preparing the ends of light guides for coupling, e.g. cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The present invention is applied to optical communication field, a kind of full-automatic making apparatus of lens fiber and method are provided, shown equipment includes pedestal, it is arranged on polish-grinding plate on the pedestal, frame, the polish-grinding plate adopts high-precision Motor drive, fiber clamp and imageing sensor are installed in the frame, described image sensor is located at directly over the polish-grinding plate, the fiber clamp side is additionally provided with detector and lens producing device, wherein described polish-grinding plate is used for rubbing down optical fiber and chamfering, the detector goes out light value for detection fiber rubbing down face, and for beam quality during real-time detection lens producing device making lens fiber.The present invention is using high-precision motor and detector, ensure that polish-grinding plate is beated in micron level, and the boart boart paper using two kinds of ranks carries out rough polishing and fine polishing respectively, and carry out Error Calculation, so that light value deviation percent is in values, it is ensured that the degree of accuracy of lens fiber.
Description
Technical field
The invention belongs to optical communication field, more particularly to a kind of full-automatic making apparatus of lens fiber and method.
Background technology
Fiber coupling technique is the key technology for affecting fibre system, and lens fiber is then the critical component of fiber coupling,
The coupling of luminescence chip and optical fiber is substantially the matching problem of mould field, and what luminescence chip sent is optically coupled into getting over for optical fiber
Many, fiber optic communication distance is more remote, and repeater span is also more remote；And the Basic Ways for improving mould field coupling are in coupled system
Optical lenses are added to improve the efficiency of optical coupling, the method for solving at present is in the direct lens working in end of optical fiber, obtains
Lens fiber.
Existing lens fiber making apparatus are not sufficiently stable as polish-grinding plate is rotated, and only with single rubbing down so that logical
Cross that the lens fiber that existing equipment makes is not accurate enough, yields is not high.
Content of the invention
In view of the above problems, it is an object of the invention to provide a kind of full-automatic making apparatus of lens fiber and method, purport
Solving, lens fiber obtained in existing lens fiber making apparatus is not accurate enough, the not high technical problem of yields.
On the one hand, the equipment includes pedestal, is arranged on polish-grinding plate, frame on the pedestal, and the polish-grinding plate is using high
Smart Motor drive, is provided with fiber clamp and imageing sensor in the frame, described image sensor is located at the polish-grinding plate
Surface, the fiber clamp side are additionally provided with detector and lens producing device, and wherein described polish-grinding plate is used for rubbing down optical fiber
And chamfering, the detector is used for the light value that in detection fiber rubbing down face, and makes for real-time detection lens producing device
Beam quality during lens fiber；Described image sensor is used for by obtaining image detection optical fiber chamfer angle, the lens
Producing device is used for for the tip of the optical fiber of rubbing down molding being processed into spherical lens or lens pillar.
Further, the polish-grinding plate includes that disk body, card and high-precision motor, the high-precision motor are installed on the disk
In vivo, and the disk body is integrally formed with pedestal, the card is installed on the output shaft of the high-precision motor, and polish-grinding plate is in work
When making, card is beated in micron level.
Further, described image sensor is charge coupled cell.
On the other hand, the lens fiber full-automatic method for making includes：
Upper folder step, in placing the fiber in fiber clamp and adjusting so that the axis of optical fiber and fiber clamp axis weight
Close；
Rough polishing step, installs diamond grit paper on polish-grinding plate and sets corresponding feed value and rubbing down time, according to throwing
Mill shape need, overturns optical fiber certain angle, until completing each face rough polishing mill；
Fine polishing step, installs diamond fine sandpaper on polish-grinding plate and sets corresponding feed value and rubbing down time, according to throwing
Mill shape need, overturns optical fiber certain angle, until completing each face fine polishing mill；
Error calculating step, moves to detector position by optical fiber tail-end connecting laser and by optical fiber, each according to optical fiber
Rubbing down face position rotates optical fiber, the light value that goes out for detecting each rubbing down face by detector, and calculates light value deviation percent, if
Described go out light value deviation percent exceed preset value, then continue to go out the big rubbing down of light value using diamond fine sandpaper rubbing down correction
Face, until going out light value deviation percent in values, needs basis to go out light value deviation percent again in rubbing down correction
Set feed value and rubbing down time；
The optical fiber of rubbing down molding is moved to lens producing device by lens making step, and lens producing device utilizes rubbing down wheel
Fiber optic tip is processed into required lenticular, while passing through detector monitor in real time beam quality；
Chamfering step, when detector detects beam quality reaches requirement, optical fiber is moved to polish-grinding plate carries out chamfering, obtains
Arrive lens fiber；
Parameter measurement step, imageing sensor obtain image at optical fiber chamfering, and are calculated lens through image procossing
The chamfer angle parameter of optical fiber；
Lower folder step, the lens fiber for obtaining is removed from fiber clamp.
Further, the lens fiber of the making is inclined wedge-shaped lens fiber, and the rough polishing step specifically includes：
The diamond sand paper that granularity is installed on polish-grinding plate for 3um sets feed value A1 and rubbing down time to optical fiber rubbing down
t1；
Make according to inclined wedge-shaped lens fiber and require, optical fiber is flipped an angle X；
With the diamond sand paper rubbing down another side that granularity is 3um, set feed value A1 and rubbing down time t1, it is ensured that wedge shape into
Type.
Further, the fine polishing step is specifically included：
Diamond sand paper of the granularity for 0.5um is installed to optical fiber rubbing down on polish-grinding plate, when setting feed value A2 and rubbing down
Between t2；
Make according to inclined wedge-shaped lens fiber and require, optical fiber is flipped an angle X；
With the diamond sand paper rubbing down another side that granularity is 0.5um, feed value A2 and rubbing down time t2 is set, it is ensured that wedge
Shape end face surface roughness is easy to detect.
Further, the error calculating step is specifically included：
Detector position is moved to by optical fiber tail-end connecting laser and by optical fiber, according to the position in two rubbing down faces of optical fiber
Rotate optical fiber, the light value that goes out that two rubbing down faces are detected by detector, and calculate light value deviation percent, if described go out light
Value deviation percent exceedes preset value, then continue to adopt granularity to go out the big throwing of light value for the diamond sand paper rubbing down correction of 0.5um
Flour milling, until going out light value deviation percent in values, needs basis to go out light value deviation percent weight in rubbing down correction
New settings feed value and rubbing down time.
The invention has the beneficial effects as follows：In the present invention polish-grinding plate adopt high-precision Motor drive, it is ensured that polish-grinding plate rotate when,
Bounce is in micron level；Being provided with detector simultaneously carries out out light value detection and the monitoring of real-time beam quality, further ensures
Rubbing down quality and lens fabrication quality；In addition, in manufacture method, carrying out rough polishing respectively using the boart boart paper of two kinds of ranks
And fine polishing, and carry out Error Calculation so that light value deviation percent is in values, it is ensured that the degree of accuracy of lens fiber.
Description of the drawings
Fig. 1 is the front view of the full-automatic making apparatus of lens fiber provided in an embodiment of the present invention；
Fig. 2 is the left view of the full-automatic making apparatus of lens fiber provided in an embodiment of the present invention：
Fig. 3 is the flow chart of lens fiber full-automatic method for making provided in an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
In order to technical solutions according to the invention are described, illustrate below by specific embodiment.
What Fig. 1 and Fig. 2 respectively illustrated the full-automatic making apparatus of lens fiber provided in an embodiment of the present invention faces structure
With left view structure, the part related to the embodiment of the present invention is illustrate only for convenience of description.
See figures.1.and.2, the full-automatic making apparatus of lens fiber that the present embodiment is provided include pedestal 1, be arranged on described
Polish-grinding plate 2, frame 3 on pedestal, the polish-grinding plate 2 are provided with 4 He of fiber clamp using high-precision Motor drive in the frame 3
Imageing sensor 5, described image sensor 5 are located at directly over the polish-grinding plate 2, and 4 side of the fiber clamp is additionally provided with detection
Device 6 and lens producing device 7, wherein described polish-grinding plate 2 are used for rubbing down optical fiber and chamfering, and the detector 6 is used for detection fiber
Rubbing down face goes out light value, and beam quality when making lens fiber for real-time detection lens producing device；Described image
Sensor 5 is used for by obtaining image detection optical fiber chamfer angle, and the lens producing device 7 is used for the optical fiber of rubbing down molding
Tip be processed into spherical lens or lens pillar.Preferably, described image sensor is charge coupled cell CCD.
In the present embodiment, polish-grinding plate is used for rubbing down optical fiber and chamfering, including conical fiber, cuneiform optical fiber, inclined wedge-shaped optical fiber
Deng can be with the optical fiber of rubbing down fibre core very little (such as a diameter of 5um), it is ensured that after rubbing down, the wedge shape edge of a knife divides equally fibre core, to ensure optical fiber
Axiality.Therefore the required precision to polish-grinding plate is very high, and the bounce of polish-grinding plate needs control in micron level.Polish-grinding plate is jumped
Dynamic main cause has two, and one is the bounce of motor, and two is the bounce of card.The present embodiment adopts high-precision motor, such as firmly
Coil motor, hard disk motor (computer hard disc rotation is up to 7200 turns) can ensure that the disk of the inside stably turns when high speed rotates
Move, and hard disk motor directly can be purchased, motor is made in raw capital equipment without the need for otherwise designed, with low cost.As one
Concrete structure is planted, the polish-grinding plate includes disk body, card and high-precision motor, and the disk body is integrally formed with pedestal.Peace
First high-precision motor is installed in the disk body during dress, then assembles card, it is ensured that the flatness of polish-grinding plate, through appropriate
Machinery adjustment, it is ensured that polish-grinding plate rotate when card bounce in um ranks, to guarantee optical fiber rubbing down precision.
In addition, the present embodiment additionally uses detector ensures that carrying out out light value detection and real-time beam quality monitors, it is ensured that
Rubbing down quality and lens fabrication quality.Specifically, detector position is moved to by optical fiber tail-end connecting laser and by optical fiber,
Optical fiber is rotated according to optical fiber each rubbing down face position, is gone out light value by what detector detected each rubbing down face, and it is inclined to calculate light value
Difference percentage ratio.Than, during if desired for rubbing down inclined wedge-shaped lens fiber, setting feed value and rubbing down time first, then rubbing down wherein one
Individual face；Optical fiber certain angle being rotated after the completion of rubbing down to another side, and setting feed value and rubbing down time again, then rubbing down is another
One face；Two rubbing down faces are detected by detector after the completion of rubbing down and goes out light value, and calculate light value deviation percent, if institute
Light value deviation percent is stated out more than preset value, feed value and rubbing down time are correspondingly reset according to extent of deviation, continue to throw
The big rubbing down face of light value revised out by mill, until going out light value deviation percent in values.In addition, when lens are made,
By rubbing down wheel rubbing down optical fiber so that fiber optic tip becomes spherical lens or lens pillar, while passing through detector examinations
Beam quality, it is ensured that lens fabrication quality.
It is further preferred that in rubbing down inclined wedge-shaped lens fiber, using two stages of rough polishing and fine polishing, first tentatively into
Type, then fine polishing.When implementing, it is two faces of diamond sand paper rubbing down optical fiber of 3um initially with granularity, then adopts grain
Two faces of diamond sand paper rubbing down optical fiber for 0.5um are spent, is required for arranging feed value and rubbing down time during each rubbing down.Pass through
Detect that two rubbing down faces go out light value deviation percent by detector, gone out with rubbing down correction is continued on 0.5um diamond sand paper
The big one side of light value.Feed value and rubbing down time are related to deviation percent, and principle is that deviation percent is bigger, and feed value is got over
Many, the rubbing down time is longer.
Below for the full-automatic making apparatus of said lens optical fiber, there is provided a kind of lens fiber full-automatic method for making, such as
Shown in Fig. 3, including：
S301, upper folder step.
In placing the fiber in fiber clamp and adjusting so that the axis of optical fiber is overlapped with fiber clamp axis.
S302, rough polishing step.
Diamond grit paper is installed on polish-grinding plate and sets corresponding feed value and rubbing down time, will according to rubbing down shape
Ask, overturn optical fiber certain angle, until completing each face rough polishing mill.
Such as when needing to make inclined wedge-shaped lens fiber, boart boart of the granularity for 3um is installed first on polish-grinding plate
Paper sets feed value A1 and rubbing down time t1 to optical fiber rubbing down；Then according to inclined wedge-shaped lens fiber makes requiring, optical fiber is turned over
Turn certain angle X；Finally with the diamond sand paper rubbing down another side that granularity is 3um, feed value A1 and rubbing down time t1 is set, protected
Card wedge shape molding.
S303, fine polishing step.
Diamond fine sandpaper is installed on polish-grinding plate and sets corresponding feed value and rubbing down time, will according to rubbing down shape
Ask, overturn optical fiber certain angle, until completing each face fine polishing mill.
Similarly for inclined wedge-shaped lens fiber is made, diamond sand paper of the granularity for 0.5um is installed first on polish-grinding plate
To optical fiber rubbing down, feed value A2 and rubbing down time t2 is set；Then according to inclined wedge-shaped lens fiber makes requiring, optical fiber is overturn
Certain angle X；Finally with the diamond sand paper rubbing down another side that granularity is 0.5um, feed value A2 and rubbing down time t2 is set, protected
Card inclined wedge-shaped end face surface roughness is easy to detect.
S304, error calculating step.
Detector position is moved to by optical fiber tail-end connecting laser and by optical fiber, is rotated according to optical fiber each rubbing down face position
Optical fiber, the light value that goes out that each rubbing down face is detected by detector, and calculate light value deviation percent, if described go out light value deviation
Percentage ratio exceedes preset value, then continue to go out the big rubbing down face of light value using diamond fine sandpaper rubbing down correction, until it is inclined to go out light value
Difference percentage ratio in values, in rubbing down correction needs basis to go out light value deviation percent and resets feed value and rubbing down
Time.
When implementing, detector position is moved to by optical fiber tail-end connecting laser and by optical fiber, it is assumed that need rubbing down
Cuneiform optical fiber, rotates optical fiber according to the position in two rubbing down faces of optical fiber, goes out light value by what detector detected two rubbing down faces,
And calculate light value deviation percent, such as two go out light value for 1000 and 700, then deviation percent be (1000-700)/
1000.If described go out light value deviation percent exceed preset value, continue to adopt granularity to repair for the diamond sand paper rubbing down of 0.5um
Just go out the big rubbing down face of light value, until going out light value deviation percent in values, need in rubbing down correction basis to go out light
Value deviation percent resets feed value and rubbing down time, and feed value and rubbing down time are related to light value deviation percent, former
It is then that deviation percent is bigger, feed value is more, the rubbing down time is longer.
S305, lens making step.
The optical fiber of rubbing down molding is moved to lens producing device, fiber optic tip is processed by lens producing device using rubbing down wheel
Into required lenticular, while passing through detector monitor in real time beam quality.
S306, chamfering step.
When detector detects beam quality reaches requirement, optical fiber is moved to polish-grinding plate carries out chamfering, obtains lens light
Fine.
S307, parameter measurement step.
Imageing sensor obtains image at optical fiber chamfering, and is calculated the chamfer angle of lens fiber through image procossing
Parameter.
S308, lower folder step.
The lens fiber for obtaining is removed from fiber clamp.
A kind of full-automatic making apparatus of lens fiber and method is being embodiments provided, using high-precision motor and spy
Device is surveyed, and the boart boart paper using two kinds of ranks carries out rough polishing and fine polishing respectively, and carry out Error Calculation so that light value deviation
Percentage ratio is in values, it is ensured that the degree of accuracy of lens fiber.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all in essence of the invention
Any modification, equivalent and improvement that is made within god and principle etc., should be included within the scope of the present invention.
Claims (7)
1. full-automatic making apparatus of a kind of lens fiber, the equipment include pedestal, the polish-grinding plate being arranged on the pedestal, machine
Frame, it is characterised in that the polish-grinding plate is provided with fiber clamp and image sensing using high-precision Motor drive in the frame
Device, described image sensor are located at directly over the polish-grinding plate, and the fiber clamp side is additionally provided with detector and lens make
Device, wherein described polish-grinding plate are used for rubbing down optical fiber and chamfering, and the detector goes out light value for detection fiber rubbing down face, with
And for beam quality during real-time detection lens producing device making lens fiber；Described image sensor is used for by obtaining
Image detection optical fiber chamfer angle, the lens producing device are used for for the tip of the optical fiber of rubbing down molding being processed into spherical lens
Or lens pillar.
2. full-automatic making apparatus of lens fiber as claimed in claim 1, it is characterised in that the polish-grinding plate includes disk body, disk
Face and high-precision motor, the high-precision motor are installed in the disk body, and the disk body is integrally formed with pedestal, the disk
Face is installed on the output shaft of the high-precision motor, and polish-grinding plate operationally, beat in micron level by card.
3. full-automatic making apparatus of lens fiber as claimed in claim 2, it is characterised in that described image sensor is electric charge coupling
Close element.
4. a kind of lens fiber full-automatic method for making, it is characterised in that methods described includes：
Upper folder step, in placing the fiber in fiber clamp and adjusting so that the axis of optical fiber is overlapped with fiber clamp axis；
Rough polishing step, installs diamond grit paper on polish-grinding plate and sets corresponding feed value and rubbing down time, according to rubbing down shape
Shape requires, overturns optical fiber certain angle, grind up to each face rough polishing is completed；
Fine polishing step, installs diamond fine sandpaper on polish-grinding plate and sets corresponding feed value and rubbing down time, according to rubbing down shape
Shape requires, overturns optical fiber certain angle, grind up to each face fine polishing is completed；
Error calculating step, moves to detector position by optical fiber tail-end connecting laser and by optical fiber, according to each rubbing down of optical fiber
Face position rotates optical fiber, the light value that goes out for detecting each rubbing down face by detector, and calculates light value deviation percent, if described
Go out light value deviation percent more than preset value, then continue to go out the big rubbing down face of light value using diamond fine sandpaper rubbing down correction, directly
To light value deviation percent is gone out in values, need in rubbing down correction according to go out light value deviation percent reset into
To value and rubbing down time；
The optical fiber of rubbing down molding is moved to lens producing device by lens making step, and lens producing device utilizes rubbing down wheel by light
Fine tip is processed into required lenticular, while passing through detector monitor in real time beam quality；
Chamfering step, when detector detects beam quality reaches requirement, optical fiber is moved to polish-grinding plate carries out chamfering, obtains
Mirror optical fiber；
Parameter measurement step, imageing sensor obtain image at optical fiber chamfering, and are calculated lens fiber through image procossing
Chamfer angle parameter；
Lower folder step, the lens fiber for obtaining is removed from fiber clamp.
5. method as claimed in claim 4, it is characterised in that the lens fiber of the making is inclined wedge-shaped lens fiber, described
Rough polishing step is specifically included：
The diamond sand paper that granularity is installed on polish-grinding plate for 3um sets feed value A1 and rubbing down time t1 to optical fiber rubbing down；
Make according to inclined wedge-shaped lens fiber and require, optical fiber is flipped an angle X；
With the diamond sand paper rubbing down another side that granularity is 3um, feed value A1 and rubbing down time t1 is set, it is ensured that wedge shape molding.
6. method as claimed in claim 5, it is characterised in that the fine polishing step is specifically included：
The diamond sand paper that granularity is installed on polish-grinding plate for 0.5um sets feed value A2 and rubbing down time t2 to optical fiber rubbing down；
Make according to inclined wedge-shaped lens fiber and require, optical fiber is flipped an angle X；
With the diamond sand paper rubbing down another side that granularity is 0.5um, feed value A2 and rubbing down time t2 is set, it is ensured that inclined wedge-shaped end
Face surface roughness is easy to detect.
7. method as claimed in claim 6, it is characterised in that the error calculating step is specifically included：
Detector position is moved to by optical fiber tail-end connecting laser and by optical fiber, is rotated according to the position in two rubbing down faces of optical fiber
Optical fiber, the light value that goes out that two rubbing down faces are detected by detector, and calculate light value deviation percent, if described go out light value inclined
Difference percentage ratio exceedes preset value, then continue to adopt granularity to go out the big rubbing down face of light value for the diamond sand paper rubbing down correction of 0.5um,
Until going out light value deviation percent in values, need in rubbing down correction basis to go out light value deviation percent and reset
Feed value and rubbing down time.
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| CN201510165388.5A CN104816218B (en) | 2015-04-09 | 2015-04-09 | A kind of full-automatic making apparatus of lens fiber and method |
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| CN201510165388.5A CN104816218B (en) | 2015-04-09 | 2015-04-09 | A kind of full-automatic making apparatus of lens fiber and method |
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| CN104816218B true CN104816218B (en) | 2017-03-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957630A (en) * | 2018-07-12 | 2018-12-07 | 苏州席正通信科技有限公司 | A kind of production method of long-focus lens optical fiber |
| CN109986440B (en) * | 2019-04-30 | 2024-02-13 | 武汉楚星光纤应用技术有限公司 | Automatic polishing equipment and polishing method for tapered optical fiber |
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| JPH06179161A (en) * | 1992-12-15 | 1994-06-28 | Seiko Giken:Kk | Polishing device for optical fiber edge surface |
| CN1434313A (en) * | 2002-01-24 | 2003-08-06 | 中国科学院半导体研究所 | Method for working optical fibre microlens with center antomatic alignment function |
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| CN102183819A (en) * | 2011-03-30 | 2011-09-14 | 西安盛佳光电有限公司 | Method for manufacturing lensed fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7099535B2 (en) * | 2002-12-31 | 2006-08-29 | Corning Incorporated | Small mode-field fiber lens |
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| JPH06179161A (en) * | 1992-12-15 | 1994-06-28 | Seiko Giken:Kk | Polishing device for optical fiber edge surface |
| CN1434313A (en) * | 2002-01-24 | 2003-08-06 | 中国科学院半导体研究所 | Method for working optical fibre microlens with center antomatic alignment function |
| CN2589156Y (en) * | 2002-12-31 | 2003-12-03 | 武汉电信器件公司 | High precision optical fibre lens polishing machine |
| CN102183819A (en) * | 2011-03-30 | 2011-09-14 | 西安盛佳光电有限公司 | Method for manufacturing lensed fiber |
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Denomination of invention: A fully automatic manufacturing equipment and method of lens optical fiber Effective date of registration: 20220125 Granted publication date: 20170315 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: WUHAN CHUXING OPTICAL FIBER APPLICATION TECHNOLOGIES CO.,LTD. Registration number: Y2022420000031 |
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