CN220794589U - Optical fiber array test fixture - Google Patents
Optical fiber array test fixture Download PDFInfo
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- CN220794589U CN220794589U CN202322700325.8U CN202322700325U CN220794589U CN 220794589 U CN220794589 U CN 220794589U CN 202322700325 U CN202322700325 U CN 202322700325U CN 220794589 U CN220794589 U CN 220794589U
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- fiber array
- movable block
- optical fiber
- mounting frame
- clamping rod
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 79
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000004308 accommodation Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 54
- 238000010168 coupling process Methods 0.000 abstract description 16
- 230000008878 coupling Effects 0.000 abstract description 15
- 238000005859 coupling reaction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The application relates to a fiber array test fixture, include: the mounting frame is fixedly connected with a connecting plate, and one end of the connecting plate, which is far away from the mounting frame, is provided with an accommodating space with an opening at the bottom; the movable block is at least partially positioned in the accommodating space of the connecting plate, and the bottom surface of the movable block is exposed out of the bottom opening of the accommodating space; and the clamping piece is fixed on the mounting frame, and one end of the clamping piece extends into the accommodating space so as to clamp and fix the movable block. According to the optical fiber array testing fixture, when the optical fiber array and the optical module are in optical coupling operation, the mounting frame drives the optical fiber array to move towards the direction of the optical module until the optical fiber array and the optical module are matched through the V-shaped positioning groove, and then the movable block can be utilized to move in the accommodating space, so that the optical fiber array and the optical module are in self-adaptive accurate alignment, optical coupling is finally realized after the optical fiber array and the optical module are positioned, the positioning difficulty of the optical fiber array testing fixture is reduced, and the testing efficiency is improved.
Description
Technical Field
The application relates to the technical field of optical fiber array detection, in particular to an optical fiber array test fixture.
Background
The optical coupling operation of the FA optical fiber array is a process of precisely butting the emitting point of the laser with the light guiding surface of the FA optical fiber array so as to ensure that the light energy transmitted in the optical cable can be coupled into the receiving detector to the maximum extent and the influence on the system is minimized when the optical cable is connected into the optical link.
The FA optical fiber array needs to fix the optical module when the optical coupling operation is carried out on the optical module, and whether the coupling value and the stability of the clamp can be visually observed in the coupling process can directly influence the coupling result.
Meanwhile, in order to improve production efficiency and reduce production cost, faster coupling speed is required, but when the optical module is matched with the existing optical fiber array clamp in the market, the optical fiber array is required to be subjected to angle adjustment through a rotating shaft in the directions of Rx, ry and Rz so as to achieve the effect of accurately adapting the FA optical fiber array and the optical module.
Because of the difference of the specific position and angle of each optical module, the angle of the optical fiber array needs to be adjusted for the production test of each product so as to achieve the best effect, the production time of the whole product is increased in actual use, and the cost of equipment is increased.
Disclosure of Invention
The embodiment of the application provides an optical fiber array test fixture to solve the problem that the detection efficiency is low because the optical fiber array needs to be subjected to angle adjustment through a rotating shaft in the directions of Rx, ry and Rz when the optical fiber array fixture is matched with an optical module in the related art.
The embodiment of the application provides an optical fiber array test fixture, including:
the mounting rack is fixedly connected with a connecting plate, and one end of the connecting plate, which is far away from the mounting rack, is provided with an accommodating space with an opening at the bottom;
the movable block is at least partially positioned in the accommodating space of the connecting plate, and the bottom surface of the movable block is exposed out of the bottom opening of the accommodating space;
the clamping piece is fixed on the mounting frame, and one end of the clamping piece stretches into the accommodating space to clamp and fix the movable block.
In some embodiments: the movable block is movably connected in the accommodating space.
In some embodiments: the elastic piece is a spiral spring, a lower mounting hole for mounting the spiral spring is formed in the top of the movable block, and an upper mounting hole for mounting the spiral spring is formed in the top of the accommodating space;
the upper end of the spiral spring is fixed in the upper mounting hole, and the lower end of the spiral spring is fixed in the lower mounting hole.
In some embodiments: the two sides of the connecting plate far away from one end of the mounting frame are symmetrically provided with L-shaped hooks, and the L-shaped hooks and the connecting plate jointly form the accommodating space with the bottom opening;
the two sides of the movable block are symmetrically provided with ear wings which are movably connected to the L-shaped hooks, and the ear wings are fixedly connected with the movable block.
In some embodiments: the clamping piece comprises a first clamping rod positioned at one side of the movable block and a second clamping rod positioned at the other side of the movable block;
and a driving mechanism that drives the first and second clamp bars to move in a direction approaching or moving away from each other.
In some embodiments: the driving mechanism comprises a first cylinder which is fixed on the mounting frame and drives the first clamping rod to move in a direction approaching to or away from the movable block;
and a second cylinder fixed on the mounting frame and driving the second clamping rod to move in a direction approaching or separating from the movable block.
In some embodiments: one end of each of the first clamping rod and the second clamping rod is provided with a mounting hole connected with the driving mechanism;
the end of the first clamping rod or the second clamping rod, which is far away from the driving mechanism, is provided with a protrusion for positioning the movable block, and the movable block is provided with a groove matched with the protrusion.
In some embodiments: the mounting rack is fixedly provided with a balance weight positioned above the first clamping rod and the second clamping rod, and the bottom surface of the balance weight is parallel to the top surfaces of the first clamping rod and the second clamping rod and is connected with the top surfaces of the first clamping rod and the second clamping rod in a sliding manner.
In some embodiments: the one end that the mounting bracket kept away from the connecting plate is equipped with three-dimensional sharp module, three-dimensional sharp module is used for driving the mounting bracket and moves along X axle, Y axle and Z axle direction.
In some embodiments: and a tail wire fixing piece for fixing the optical fiber bundle is arranged on the mounting frame, and a flexible protection layer is arranged in the tail wire fixing piece.
The beneficial effects that technical scheme that this application provided brought include:
the embodiment of the application provides an optical fiber array test fixture, because the optical fiber array test fixture is provided with a mounting frame, a connecting plate is fixedly connected to the mounting frame, and one end of the connecting plate, far away from the mounting frame, is provided with an accommodating space with an opening at the bottom; the movable block is at least partially positioned in the accommodating space of the connecting plate, and the bottom surface of the movable block is exposed out of the bottom opening of the accommodating space; and the clamping piece is fixed on the mounting frame, and one end of the clamping piece extends into the accommodating space so as to clamp and fix the movable block.
Therefore, when the optical fiber array test fixture is used for optical coupling operation of the optical fiber array and the optical module, the mounting frame drives the optical fiber array to move towards the direction of the optical module, and because the V-shaped positioning groove is arranged between the optical fiber array and the optical module, the mounting frame only needs to coarsely position the optical fiber array, after the optical fiber array and the optical module are matched through the V-shaped positioning groove, the movable block can be utilized to move in the accommodating space, so that the optical fiber array and the optical module are in self-adaptive precise alignment, optical coupling is realized after the optical fiber array and the optical module are positioned, the positioning difficulty of the optical fiber array test fixture is reduced, and the test efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a structure of an embodiment of the present application;
FIG. 2 is a perspective view of a first view of an embodiment of the present application;
FIG. 3 is a structural perspective view of a second view angle according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an optical fiber array and an optical module after optical coupling according to an embodiment of the present application.
Reference numerals:
1. a mounting frame; 2. a connecting plate; 3. a movable block; 4. an elastic member; 5. a clamping member; 6. a first clamping lever; 7. a second clamping lever; 8. a driving mechanism; 9. a balance weight; 10. l-shaped hook; 11. a first cylinder; 12. a second cylinder; 13. a tail wire fixing piece; 14. an optical fiber array; 15. an optical module; 16. v-shaped positioning groove; 17. positioning the protrusion.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
The embodiment of the application provides an optical fiber array test fixture, which can solve the problem that the detection efficiency is low because the optical fiber array needs to be subjected to angle adjustment through a rotating shaft in the directions of Rx, ry and Rz when the optical fiber array fixture is matched with an optical module in the related art.
Referring to fig. 1 to 4, an embodiment of the present application provides a fiber array test fixture, including:
the mounting bracket 1, this mounting bracket 1 is formed for the sheet metal processing preparation, fixedly connected with connecting plate 2 on mounting bracket 1, and this connecting plate 2 is the horizontal direction setting, and the one end that this connecting plate 2 kept away from mounting bracket 1 is equipped with bottom open-ended accommodation space, and the accommodation space of connecting plate 2 overhangs in the outside of mounting bracket 1.
The movable block 3, the movable block 3 is at least partially located in the accommodating space of the connecting plate 2, the movable block 3 can have a set movable space in the accommodating space, and the bottom surface of the movable block 3 is exposed out of the bottom opening of the accommodating space. The bottom opening of the movable block 3 exposing the accommodation space is used for installing the optical fiber array 14, and the optical fiber array 14 is attached and fixed on the bottom surface of the movable block 3 through the substrate of the optical fiber array 14.
And the clamping piece 5 is fixed on the mounting frame 1, and one end of the clamping piece 5 stretches into the accommodating space to clamp and fix the movable block 3. When the optical fiber array 14 is mounted on the movable block 3, or the optical fiber array 14 is optically coupled with the optical module 15, the clamping piece 5 clamps the movable block 3 to keep the movable block 3 in a static state in the accommodating space, so that the movable block 3 is prevented from being difficult to mount the fixed optical fiber array 14 in the movable state, or the optical fiber array 14 moves when being optically coupled with the optical module 15.
According to the optical fiber array test fixture, when the optical fiber array 14 and the optical module 15 are in optical coupling operation, the mounting frame 1 drives the optical fiber array 14 to move towards the positioning direction of the optical module 15, the V-shaped positioning groove 16 for adapting to the optical module 15 is arranged on the optical fiber array 14, the V-shaped positioning groove 16 for adapting to the optical fiber array 14 is arranged on the optical module 15 to position the protrusion 17, and the mounting frame 1 only needs to roughly position the optical fiber array 14 and the optical module 15.
After the optical fiber array 14 and the optical module 15 are matched with each other through the V-shaped positioning groove 16 and the positioning protrusion 17, the mounting frame 1 only needs to drive the optical fiber array 14 to move downwards towards the direction of the optical module 15, and the movable block 3 can be used for moving in the accommodating space under the guiding action of the V-shaped positioning groove 16 and the positioning protrusion 17 in the horizontal direction, so that the optical fiber array 14 and the optical module 15 are self-adaptively and accurately aligned, optical coupling is finally realized after the optical fiber array 14 and the optical module 15 are positioned, the positioning difficulty of the optical fiber array test fixture is reduced, and the test efficiency is improved.
In some alternative embodiments: referring to fig. 1 to 4, the embodiment of the present application provides a fiber array test fixture, which further includes an elastic member 4 connected between the movable block 3 and the connection plate 2, wherein the elastic member 4 enables the movable block 3 to be movably connected in the accommodating space, so as to prevent the movable block 3 from sliding out of the accommodating space.
Specifically, the elastic member 4 is preferably, but not limited to, a coil spring, a lower mounting hole (not shown) for mounting the coil spring is provided at the top of the movable block 3, and an upper mounting hole (not shown) for mounting the coil spring is provided at the top of the accommodating space. The upper end of the spiral spring is fixed in the upper mounting hole, and the lower end of the spiral spring is fixed in the lower mounting hole.
The movable block 3 is connected with the connecting plate 2 through a spiral spring, the spiral spring can not only prevent the movable block 3 from sliding out of the accommodating space, but also enable the movable block 3 to have a certain activity in the accommodating space. In addition, the coil spring can also enable the movable block 3 to automatically reset to the original position after the external force is removed, so that the movable block 3 is kept to be positioned in the accommodating space in the middle.
In some alternative embodiments: referring to fig. 1 and 2, the embodiment of the application provides an optical fiber array test fixture, wherein the bottoms of two sides of a connecting plate 2 of the optical fiber array test fixture far away from one end of a mounting frame 1 are symmetrically provided with an 'L' -shaped hook 10, and the 'L' -shaped hook 10 and the connecting plate 2 jointly form an accommodating space with an open bottom. The two sides of the movable block 3 are symmetrically provided with ear wings which are movably connected on the L-shaped hook 10, and the ear wings are fixedly connected with the movable block 3.
The L-shaped hook 10 and the connecting plate 2 are integrally formed by metal materials, and the L-shaped hook 10 is matched with two symmetrical lugs on two sides of the movable block 3, so that the movable block 3 is prevented from falling from the accommodating space when moving in the accommodating space. The ear wings are also reserved with a movement space which enables the movable block 3 to move up and down, left and right, front and back in the accommodating space on the L-shaped hook 10.
In some alternative embodiments: referring to fig. 1 to 3, the embodiment of the present application provides a fiber array test jig, of which a clamping member 5 includes a first clamping lever 6 located at one side of a movable block 3, and a second clamping lever 7 located at the other side of the movable block 3; and a driving mechanism 8 that drives the first clamp lever 6 and the second clamp lever 7 to move in a mutually approaching or mutually separating direction.
Specifically, the driving mechanism 8 includes a first cylinder 11 fixed to the mounting frame 1 and driving the first clamping lever 6 to move in a direction approaching or moving away from the movable block 3; and a second cylinder 12 fixed to the mounting frame 1 and driving the second clamping lever 7 to move in a direction approaching or moving away from the movable block 3. One end of the first clamping rod 6 and one end of the second clamping rod 7 are respectively provided with a mounting hole connected with the driving mechanism 8; the mounting hole of the first clamping rod 6 is fixedly connected with the push rod of the first air cylinder 11 through threads, and the mounting hole of the second clamping rod 7 is fixedly connected with the push rod of the second air cylinder 12 through threads.
A protrusion (not shown in the figure) for positioning the movable block 3 is arranged at one end of the first clamping rod 6 or the second clamping rod 7 far away from the driving mechanism 8, a groove (not shown in the figure) matched with the protrusion is arranged on the movable block 3, and when the first clamping rod 6 or the second clamping rod 7 mutually clamps the movable block 3, the protrusion on the first clamping rod 6 or the second clamping rod 7 is matched with the groove on the movable block 3 so as to limit the movable block 3 to slide.
In some alternative embodiments: referring to fig. 1 to 3, the embodiment of the present application provides an optical fiber array test fixture, wherein a counterweight 9 located above a first clamping rod 6 and a second clamping rod 7 is fixedly arranged on a mounting frame 1 of the optical fiber array test fixture, the bottom surface of the counterweight 9 is parallel to the top surfaces of the first clamping rod 6 and the second clamping rod 7 and is in sliding connection with each other, the counterweight 9 is used for keeping the first clamping rod 6 and the second clamping rod 7 in a horizontal state, and the first clamping rod 6 and the second clamping rod 7 are prevented from rotating around a push rod of a first cylinder 11 or a second cylinder 12.
One end of the mounting frame 1 far away from the connecting plate 2 is provided with a three-dimensional linear module (not shown in the figure), and the three-dimensional linear module is used for driving the mounting frame 1 to move along the X-axis, the Y-axis and the Z-axis directions, so that when the optical fiber array 14 and the optical module 15 are subjected to optical coupling positioning, the three-dimensional linear module drives the optical fiber array 14 to move to the preset position of the optical module 15 along the X-axis, the Y-axis and the Z-axis directions. A tail fixing piece 13 for fixing the optical fiber bundles of the optical fiber array 14 is arranged on the mounting frame 1, and a flexible protection layer is arranged in the tail fixing piece 13 and is used for protecting the optical fiber bundles from being extruded or scratched.
Principle of operation
The embodiment of the application provides an optical fiber array test fixture, because the optical fiber array test fixture is provided with a mounting frame 1, a connecting plate 2 is fixedly connected to the mounting frame 1, and one end of the connecting plate 2, far away from the mounting frame 1, is provided with an accommodating space with an opening at the bottom; the movable block 3 is positioned in the accommodating space of the connecting plate 2, and the bottom surface of the movable block 3 is exposed out of the bottom opening of the accommodating space; and the clamping piece 5 is fixed on the mounting frame 1, and one end of the clamping piece 5 stretches into the accommodating space to clamp and fix the movable block 3.
Therefore, when the optical fiber array test fixture is used for optical coupling operation of the optical fiber array 14 and the optical module 15, the mounting frame 1 drives the optical fiber array 14 to move towards the optical module 15, the V-shaped positioning groove 16 is formed between the optical fiber array 14 and the optical module 15, the mounting frame 1 only needs to coarsely position the optical fiber array 14, after the optical fiber array 14 and the optical module 15 are matched through the V-shaped positioning groove 16, the movable block 3 can be utilized to move in the accommodating space, so that the optical fiber array 14 and the optical module 15 are self-adaptively and accurately aligned, optical coupling is finally realized after the optical fiber array 14 and the optical module 15 are positioned, the positioning difficulty of the optical fiber array test fixture is reduced, and the test efficiency is improved.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A fiber array test fixture, comprising:
the mounting frame (1), fixedly connected with connecting plate (2) on mounting frame (1), one end that connecting plate (2) keep away from mounting frame (1) is equipped with the accommodation space of bottom opening;
the movable block (3) is at least partially positioned in the accommodating space of the connecting plate (2), and the bottom surface of the movable block (3) is exposed out of the bottom opening of the accommodating space;
the clamping piece (5), the clamping piece (5) is fixed on the mounting frame (1), and one end of the clamping piece (5) stretches into the accommodating space so as to clamp and fix the movable block (3).
2. A fiber array test fixture as recited in claim 1, wherein:
the movable block is characterized by further comprising an elastic piece (4) connected between the movable block (3) and the connecting plate (2), and the elastic piece (4) is used for enabling the movable block (3) to be movably connected in the accommodating space.
3. A fiber array test fixture as recited in claim 2, wherein:
the elastic piece (4) is a spiral spring, a lower mounting hole for mounting the spiral spring is formed in the top of the movable block (3), and an upper mounting hole for mounting the spiral spring is formed in the top of the accommodating space;
the upper end of the spiral spring is fixed in the upper mounting hole, and the lower end of the spiral spring is fixed in the lower mounting hole.
4. A fiber array test fixture as recited in claim 1, wherein:
the two sides of the connecting plate (2) far away from one end of the mounting frame (1) are symmetrically provided with L-shaped hooks (10), and the L-shaped hooks (10) and the connecting plate (2) jointly form the accommodating space with an opening at the bottom;
ear wings movably connected to the L-shaped hooks (10) are symmetrically arranged on two sides of the movable block (3), and the ear wings are fixedly connected with the movable block (3).
5. A fiber array test fixture as recited in claim 1, wherein:
the clamping piece (5) comprises a first clamping rod (6) positioned at one side of the movable block (3) and a second clamping rod (7) positioned at the other side of the movable block (3);
and a driving mechanism (8) for driving the first clamping lever (6) and the second clamping lever (7) to move in a direction approaching or moving away from each other.
6. A fiber array test fixture as recited in claim 5, wherein:
the driving mechanism (8) comprises a first air cylinder (11) which is fixed on the mounting frame (1) and drives the first clamping rod (6) to move in a direction approaching or separating from the movable block (3);
and a second cylinder (12) fixed on the mounting frame (1) and driving the second clamping rod (7) to move in a direction approaching or separating from the movable block (3).
7. A fiber array test fixture as claimed in claim 5 or 6, wherein:
one end of each of the first clamping rod (6) and the second clamping rod (7) is provided with a mounting hole connected with the driving mechanism (8);
one end of the first clamping rod (6) or the second clamping rod (7) far away from the driving mechanism (8) is provided with a protrusion for positioning the movable block (3), and the movable block (3) is provided with a groove matched with the protrusion.
8. A fiber array test fixture as claimed in claim 5 or 6, wherein:
the mounting frame (1) is fixedly provided with a balance weight (9) positioned above the first clamping rod (6) and the second clamping rod (7), and the bottom surface of the balance weight (9) is parallel to the top surfaces of the first clamping rod (6) and the second clamping rod (7) and is in sliding connection with each other.
9. A fiber array test fixture as recited in claim 1, wherein:
one end of the mounting frame (1) far away from the connecting plate (2) is provided with a three-dimensional linear module, and the three-dimensional linear module is used for driving the mounting frame (1) to move along the X axis, the Y axis and the Z axis.
10. A fiber array test fixture as recited in claim 1, wherein:
the optical fiber bundle fixing device is characterized in that a tail wire fixing piece (13) for fixing the optical fiber bundle is arranged on the mounting frame (1), and a flexible protection layer is arranged in the tail wire fixing piece (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322700325.8U CN220794589U (en) | 2023-10-09 | 2023-10-09 | Optical fiber array test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322700325.8U CN220794589U (en) | 2023-10-09 | 2023-10-09 | Optical fiber array test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220794589U true CN220794589U (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322700325.8U Active CN220794589U (en) | 2023-10-09 | 2023-10-09 | Optical fiber array test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220794589U (en) |
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2023
- 2023-10-09 CN CN202322700325.8U patent/CN220794589U/en active Active
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