CN211086093U - Continuously adjustable pinhole and Raman spectrum tester - Google Patents
Continuously adjustable pinhole and Raman spectrum tester Download PDFInfo
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- CN211086093U CN211086093U CN201921897281.XU CN201921897281U CN211086093U CN 211086093 U CN211086093 U CN 211086093U CN 201921897281 U CN201921897281 U CN 201921897281U CN 211086093 U CN211086093 U CN 211086093U
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Abstract
The utility model discloses a continuously adjustable pinhole and raman spectroscopy tester, this continuously adjustable pinhole includes two-way ball (7), left side sliding block (6), right side sliding block (10) and actuating mechanism, left side sliding block (6) are connected with first nut (71) of two-way ball, right side sliding block (10) are connected with second nut (73) of two-way ball, left side sliding block (6) are connected with first diaphragm piece (81), right side sliding block (10) are connected with second diaphragm piece (82), form through-hole (83) between first diaphragm piece (81) and second diaphragm piece (82), when screw (72) rotation of this actuating mechanism drive two-way ball, left side sliding block (6) and right sliding block (10) can be close to each other or keep away from, the length of through-hole (83) can corresponding reduction or increase. The diameter of the continuously adjustable pinhole can be continuously adjusted, so that the optimal confocal Raman spectrum can be obtained.
Description
Technical Field
The utility model relates to an optical equipment field, specific be a continuously adjustable pinhole, still a raman spectroscopy tester who contains this continuously adjustable pinhole.
Background
The pinhole is also called a diaphragm. The method has the effects of improving the quality of the image, improving the spatial resolution and reducing the cross interference among the pixel points. At present, the method is mainly applied to confocal microscope imaging, and the resolution of microscopic imaging is improved by changing the size of a pinhole (diaphragm). Hereinafter collectively referred to as pinholes.
Raman spectroscopy (Raman spectroscopy), is a scattering spectrum. The Raman spectroscopy is an analysis method for analyzing a scattering spectrum with a frequency different from that of incident light to obtain information on molecular vibration and rotation based on a Raman scattering effect found by indian scientists c.v. Raman (man), and is applied to molecular structure research.
The micro-Raman spectrum is obtained by a microscopic method and is a Raman spectrum of a nano-scale tiny sample. In order to obtain a raman spectrum of a nanoscale sample, a raman spectrum tester having high spatial resolution must be used.
Chinese patent CN 207832319U, published as 2018, 9/7/9/discloses an "adjustable pinhole device", which is configured to install 2-4 pinholes of fixed diameter on a circular arc of a certain radius with a large disc as the center of circle, and ensure that the centers of the 4 pinholes are at the same distance from the center of the large disc, so that it can be ensured that the centers of the pinholes are at the same position when the large disc is rotated. In practical use, due to the small diameter (minimum 10um) of the pinhole, the machining position cannot be determined, the position of the small hole mounted on the large disc must be operated by a professional, the positions after the pinhole is switched must be respectively adjusted, and the workload is large. When the mechanical device is affected by vibration, temperature change and the like, the position of the light hole can be deviated.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the unable continuous adjustment of current pinhole diameter, the utility model provides a continuously adjustable pinhole and raman spectroscopy tester, the diameter of this continuously adjustable pinhole can be adjusted in succession, and the regulation of pinhole size uses the pinhole centre of a circle as the axle, opens and shuts with one heart, ensures the collimation nature of confocal light path to obtain the confocal raman spectrum of best.
The utility model provides a technical scheme that its technical problem adopted is:
a continuously adjustable pinhole comprises a bidirectional ball screw, a left sliding block, a right sliding block, a linear guide rail and a driving mechanism, wherein the axis of a screw rod of the bidirectional ball screw is arranged along the left-right direction, the left sliding block is connected with a first nut of the bidirectional ball screw, the right sliding block is connected with a second nut of the bidirectional ball screw, the linear guide rail is parallel to the screw rod of the bidirectional ball screw, both the left sliding block and the right sliding block can slide along the linear guide rail, the driving mechanism is connected with a screw rod of a bidirectional ball screw, a left sliding block is connected with a first diaphragm, a right sliding block is connected with a second diaphragm, the first diaphragm is connected with the second diaphragm in a stacking way, a through hole is formed between the first diaphragm and the second diaphragm, when the driving mechanism drives the screw rod of the bidirectional ball screw to rotate, the left sliding block and the right sliding block can be close to or far away from each other, and the length of the through hole along the left-right direction can be correspondingly reduced or increased.
The driving mechanism comprises a motor, the continuously adjustable pinhole further comprises a motor mounting flange and a base, the motor mounting flange is arranged at one end of the base, and the motor is connected with the motor mounting flange; and in the process that the left sliding block and the right sliding block are close to or far away from each other, the moving speeds of the first diaphragm plate and the second diaphragm plate are the same, and the center of the through hole is kept static.
The linear guide sets up on the base, and left sliding block and right sliding block all set up on linear guide, and the output shaft of motor passes through the shaft coupling and is connected with two-way ball screw's lead screw.
One end of a screw rod of the bidirectional ball screw is provided with a bearing retaining mechanism, the other end of the screw rod of the bidirectional ball screw is provided with a bearing pressing block, the bearing retaining mechanism is located on the left side of the left sliding block, and the bearing pressing block is located on the right side of the right sliding block.
The bearing retaining mechanism comprises a left side support, a bearing and a locking nut, the lower end of the left side support is fixedly connected with the base, the bearing sleeve is arranged in the upper end of the left side support, and the bearing is fixedly locked with the left side support through the locking nut.
A first rectangular notch is formed in the right side of the first diaphragm, and a rectangular through hole is formed between the first rectangular notch of the first diaphragm and the second diaphragm; or a second rectangular notch is formed in the left side of the second diaphragm, and a rectangular through hole is formed between the first diaphragm and the second rectangular notch of the second diaphragm.
The right side of the first diaphragm piece is provided with a first rectangular notch, the left side of the second diaphragm piece is provided with a second rectangular notch, the first rectangular notch and the second rectangular notch are in the same position in the vertical direction, the height of the first rectangular notch is the same as that of the second rectangular notch, and a rectangular through hole is formed between the first rectangular notch of the first diaphragm piece and the second rectangular notch of the second diaphragm piece.
The continuously adjustable pinhole further comprises a photoelectric limiting mechanism, the photoelectric limiting mechanism comprises a photoelectric triggering sheet and a circuit board, the photoelectric triggering sheet is connected with the left sliding block, the circuit board is connected with the base, the circuit board comprises a control unit, a left limit position detection sensor and a right limit position detection sensor, the control unit is connected with the motor, and when the photoelectric triggering sheet moves to the left limit position detection sensor or the right limit position detection sensor, the control unit can stop the motor from running.
The circuit board also comprises a zero position detection sensor, the zero position detection sensor is positioned between the left limit position detection sensor and the right limit position detection sensor, and the control unit can control the motor to rotate forwards or backwards so that the position of the photoelectric trigger piece corresponds to the position of the zero position detection sensor.
A Raman spectrum tester comprises the continuously adjustable pinhole.
The utility model has the advantages that:
1. the aperture is continuously adjustable.
2. The high precision satisfies when software operation, sets for the positioning accuracy of pinhole size.
3. High repeatability, and the aperture size is consistent with the software setting after opening and closing every time.
4. The central shaft is used for opening and closing in a diffused way and cannot be eccentric.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a top view of the continuously adjustable pinhole according to the present invention.
Fig. 2 is an overall schematic view of the continuously adjustable pinhole according to the present invention.
Fig. 3 is a schematic view of a bidirectional ball screw.
Fig. 4 is a schematic view of a bearing retention mechanism.
Fig. 5 is a schematic view of the photoelectric limiting mechanism.
1. A motor; 2. installing a flange on the motor; 3. a base; 4. a coupling; 5. a bearing holding mechanism; 6. a left slider; 7. a bidirectional ball screw; 8. an adjustable diaphragm; 9. a linear guide rail; 10. a right slider; 11. bearing pressing blocks; 12. a photoelectric limiting mechanism;
51. a left side bracket; 52. a bearing; 53. locking the nut;
71. a first nut; 72. a screw rod; 73. a second nut;
81. a first diaphragm; 82. a second diaphragm; 83. a through hole;
121. a photo-electric trigger sheet; 122. a circuit board; 123. a left extreme position detection sensor; 124. a right extreme position detection sensor; 125. and a zero detection sensor.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A continuously adjustable pinhole comprises a bidirectional ball screw 7, a left sliding block 6, a right sliding block 10, a linear guide rail 9, an adjustable diaphragm 8 and a driving mechanism, wherein the axis of a screw 72 of the bidirectional ball screw 7 is arranged along the left-right direction, the left sliding block 6 is connected with a first nut 71 of the bidirectional ball screw 7, the right sliding block 10 is connected with a second nut 73 of the bidirectional ball screw 7, the linear guide rail 9 is parallel to the screw 72 of the bidirectional ball screw 7, the left sliding block 6 and the right sliding block 10 can slide along the linear guide rail 9, the driving mechanism is connected with the screw 72 of the bidirectional ball screw 7, the left sliding block 6 is connected with a first diaphragm 81, the right sliding block 10 is connected with a second diaphragm 82, the first diaphragm 81 is connected with the second diaphragm 82 in a laminated manner, a through hole 83 is formed between the first diaphragm 81 and the second diaphragm 82, when the driving mechanism drives the screw 72 of the bidirectional ball screw 7 to rotate, the left and right sliding blocks 6 and 10 can be moved toward and away from each other, and the length of the through-hole 83 in the left-right direction can be correspondingly reduced or increased, as shown in fig. 1 and 2.
As shown in fig. 3, the bidirectional ball screw 7 includes a screw 72, a first nut 71 and a second nut 73, and the internal threads of the first nut 71 and the second nut 73 are opposite in rotation direction, so that when the screw 72 rotates, that is, when the screw 72 rotates about the axis of the screw 72, the first nut 71 and the second nut 73 can move close to or away from each other, thereby driving the left slider 6 and the right slider 10 to move close to or away from each other along the axial direction of the screw 72. The adjustable diaphragm 8 comprises a first diaphragm 81 and a second diaphragm 82 which are arranged left and right, the right side of the first diaphragm 81 is connected with the left side of the second diaphragm 82 in a laminated manner, the overlapped part of the first diaphragm 81 and the second diaphragm 82 forms a rectangular through hole 83, the left sliding block 6 and the right sliding block 10 are close to or far away from each other along the axial direction of the screw 72, correspondingly, the first diaphragm 81 and the second diaphragm 82 are driven to be close to or far away from each other along the axial direction of the screw 72, and the size of the through hole 83 along the up-down direction in fig. 2 can be determined according to requirements.
In this embodiment, this actuating mechanism contains motor 1, continuously adjustable pinhole still includes motor mounting flange 2 and base 3, and motor mounting flange 2 sets up in the left end of base 3, and motor 1 is connected with motor mounting flange 2, and outside motor 1 passed through the fix with screw in motor mounting flange 2's left side, motor mounting flange 2 passed through the screw and is connected fixedly with base 3.
In the present embodiment, in the process in which the left slider 6 and the right slider 10 can move closer to or away from each other, the moving speeds of the first diaphragm sheet 81 and the second diaphragm sheet 82 are the same, and the center of the through hole 83 remains stationary. Therefore, the size of the pinhole can be adjusted by taking the center of the pinhole as an axis to concentrically open and close, and the collimation of a confocal light path is ensured, so that the optimal confocal Raman spectrum is obtained. The through hole 83 is positioned so that when light passes through the through hole 83 in the axial direction of the through hole 83, other components do not block the light.
In this embodiment, the linear guide 9 is fixed on the base 3, the left sliding block 6 and the right sliding block 10 are arranged at left and right intervals, the left sliding block 6 and the right sliding block 10 are both arranged on the linear guide 9, the output shaft of the motor 1 is connected with the screw 72 of the bidirectional ball screw 7 through the coupler 4, and the axis of the output shaft of the motor 1 coincides with the axis of the screw 72 of the bidirectional ball screw 7.
In the present embodiment, the left end of the screw 72 of the bidirectional ball screw 7 is provided with the bearing holding mechanism 5, the right end of the screw 72 of the bidirectional ball screw 7 is provided with the bearing pressing block 11, the bearing holding mechanism 5 is located on the left side of the left slide block 6, and the bearing pressing block 11 is located on the right side of the right slide block 10. The bearing holding mechanism 5 and the bearing press block 11 both function to enable the screw 72 of the bidirectional ball screw 7 to rotate stably, and axial float, radial vibration or jump are avoided.
In the present embodiment, the bearing holding mechanism 5 includes a left bracket 51, a bearing 52 and a lock nut 53, the lower end of the left bracket 51 is fixedly connected to the base 3, the left end of the lead screw 72 of the bidirectional ball screw 7 is sleeved in the bearing 52, the bearing 52 is sleeved in the upper end of the left bracket 51, and the bearing 52 is fixedly locked to the left bracket 51 by the lock nut 53, as shown in fig. 4.
In this embodiment, the left sliding block 6 and the first nut 71 are fixed by screws, the right sliding block 10 and the second nut 73 are fixed by screws, the first aperture piece 81 and the left sliding block 6 are fixed by screws, and the second aperture piece 82 and the right sliding block 10 are fixed by screws. The screw 72 of the bidirectional ball screw 7 is arranged up and down in parallel with the linear guide rail 9. The through-hole 83 is located between the left slider 6 and the right slider 10.
In the present embodiment, the adjustable diaphragm 8 and the through hole 83 can be implemented in various ways. For example, the right side of the first diaphragm plate 81 is provided with a first rectangular notch, the left side of the second diaphragm plate 82 is not provided with a notch, and a rectangular through hole 83 is formed between the first rectangular notch of the first diaphragm plate 81 and the second diaphragm plate 82. Or, the right side of the first diaphragm plate 81 has no notch, the left side of the second diaphragm plate 82 has a second rectangular notch, and a rectangular through hole 83 is formed between the second rectangular notches of the first diaphragm plate 81 and the second diaphragm plate 82.
Or, a first rectangular notch is arranged on the right side of the first diaphragm plate 81, a second rectangular notch is arranged on the left side of the second diaphragm plate 82, the first rectangular notch and the second rectangular notch are in the same position in the vertical direction, the height of the first rectangular notch is the same as that of the second rectangular notch, and a rectangular through hole 83 is formed between the first rectangular notch of the first diaphragm plate 81 and the second rectangular notch of the second diaphragm plate 82. When the first diaphragm plate 81 and the second diaphragm plate 82 are close to or far away from each other, the moving speeds of the first diaphragm plate 81 and the second diaphragm plate 82 are the same, and the length of the through hole 83 along the left-right direction (the axial direction of the screw 72) in fig. 2 can be correspondingly reduced or increased, so that the process of simultaneous opening and closing is completed, and the geometric center of the diaphragm is ensured to be unchanged.
In this embodiment, the continuously adjustable pinhole further includes a photoelectric limiting mechanism 12, the photoelectric limiting mechanism 12 includes a photoelectric trigger sheet 121 and a circuit board 122, the photoelectric trigger sheet 121 is connected to the left sliding block 6 by screws, the circuit board 122 is connected to the base 3 by screws, the circuit board 122 includes a control unit, a left limit position detection sensor 123 and a right limit position detection sensor 124, the left limit position detection sensor 123 and the right limit position detection sensor 124 are arranged at left and right intervals, and the left limit position detection sensor 123, the right limit position detection sensor 124 and the motor 1 are all connected to the control unit, as shown in fig. 5.
When the photo trigger piece 121 moves to the left limit position detection sensor 123 or the right limit position detection sensor 124, the photo trigger piece 121 will shield the left limit position detection sensor 123 or the right limit position detection sensor 124, at which time the control unit can stop the motor 1. Therefore, the first diaphragm plate 81 and the second diaphragm plate 82 move within a reasonable range, and the length of the through hole 83 along the left-right direction in fig. 2 is within a reasonable or required range, so that economic loss caused by over-travel impact is prevented.
In this embodiment, the circuit board 122 further includes a zero position detection sensor 125, the zero position detection sensor 125 is located between the left limit position detection sensor 123 and the right limit position detection sensor 124, the zero position detection sensor 125 is connected to the control unit, and the control unit can control the motor 1 to rotate forward or backward, so that the position of the photoelectric trigger sheet 121 corresponds to the position of the zero position detection sensor 125, that is, the photoelectric trigger sheet 121 shields the zero position detection sensor 125, and the position after reset is ensured to be accurate.
A raman spectrometer is described below that includes the continuously adjustable pinhole described above.
The operation of the continuously adjustable pinhole is described below.
The motor 1 drives the screw 72 of the bidirectional ball screw 7 to rotate, the left sliding block 6 and the right sliding block 10 move in the opposite direction or the reverse direction, and correspondingly drives the first diaphragm plate 81 and the second diaphragm plate 82 to move in the opposite direction or the reverse direction, so that the length of the through hole 83 in the left-right direction is correspondingly reduced or increased. For example, the screw 72 rotates, the left slider 6 and the right slider 10 move toward each other, and the first aperture plate 81 and the second aperture plate 82 are moved toward each other, so that the length of the through hole 83 in the left-right direction is reduced accordingly. Or, the screw 72 rotates, the left sliding block 6 and the right sliding block 10 move in opposite directions, and accordingly the first aperture plate 81 and the second aperture plate 82 are driven to move in opposite directions, so that the length of the through hole 83 in the left-right direction is correspondingly increased.
The continuously adjustable pinhole has the advantages of electric adjustment and elimination of factors of manual operation errors; the aperture is continuously adjustable, and the center position of the pinhole is unchanged (and the center of the optical path of the system is unchanged) in the adjustment process; the system is provided with an electric protection device to prevent equipment damage caused by overtravel. When the continuously adjustable pinhole is used for a Raman spectrometer, the spatial resolution can be obviously improved, the fluorescence interference is weakened, and the accuracy of measuring the Raman spectrum is more effectively improved. In the process of adjusting the size of the pinhole, the central position of the pinhole is always kept at the position of the optical axis of the Raman spectrometer, so that the stability of the optical path of the micro-Raman system is guaranteed, and the replacement of the pinhole and the adjustment of the optical path are avoided. The size of the pinhole can be continuously adjusted, and the optimal confocal spectrum when the size of the pinhole is continuously changed can be obtained.
For convenience of understanding and description, the present invention is expressed in terms of absolute positional relationship, in which the term "up" indicates the upper direction in fig. 2, "down" indicates the lower direction in fig. 2, "left" indicates the left direction in fig. 2, and "right" indicates the right direction in fig. 2. The present invention has been described with reference to the viewing angle of the user, but the above words cannot be understood or interpreted as limitations to the scope of the present invention.
The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and technical scheme, technical scheme and the technical scheme all can the independent assortment use.
Claims (10)
1. A continuously adjustable pinhole is characterized by comprising a bidirectional ball screw (7), a left sliding block (6), a right sliding block (10), a linear guide rail (9) and a driving mechanism, wherein the axis of a screw rod (72) of the bidirectional ball screw (7) is arranged along the left-right direction, the left sliding block (6) is connected with a first nut (71) of the bidirectional ball screw (7), the right sliding block (10) is connected with a second nut (73) of the bidirectional ball screw (7), the linear guide rail (9) is parallel to the screw rod (72) of the bidirectional ball screw (7), the left sliding block (6) and the right sliding block (10) can slide along the linear guide rail (9), the driving mechanism is connected with the screw rod (72) of the bidirectional ball screw (7), the left sliding block (6) is connected with a first diaphragm sheet (81), the right sliding block (10) is connected with a second diaphragm sheet (82), the first diaphragm sheet (81) and the second diaphragm sheet (82) are connected in a laminated manner, a through hole (83) is formed between the first diaphragm sheet (81) and the second diaphragm sheet (82), when the driving mechanism drives the screw rod (72) of the bidirectional ball screw (7) to rotate, the left sliding block (6) and the right sliding block (10) can be close to or away from each other, and the length of the through hole (83) along the left-right direction can be correspondingly reduced or increased.
2. The continuously adjustable pinhole according to claim 1, characterized in that the driving mechanism comprises a motor (1), the continuously adjustable pinhole further comprises a motor mounting flange (2) and a base (3), the motor mounting flange (2) is arranged at one end of the base (3), and the motor (1) is connected with the motor mounting flange (2); when the left sliding block (6) and the right sliding block (10) approach or depart from each other, the first diaphragm sheet (81) and the second diaphragm sheet (82) move at the same speed, and the center of the through hole (83) is kept static.
3. The continuously adjustable pinhole according to claim 2, characterized in that the linear guide (9) is arranged on the base (3), the left slider (6) and the right slider (10) are both arranged on the linear guide (9), and the output shaft of the motor (1) is connected with the lead screw (72) of the bidirectional ball screw (7) through the coupling (4).
4. The continuously adjustable pinhole according to claim 3, characterized in that one end of the screw (72) of the bidirectional ball screw (7) is provided with a bearing holding mechanism (5), the other end of the screw (72) of the bidirectional ball screw (7) is provided with a bearing pressing block (11), the bearing holding mechanism (5) is positioned on the left side of the left sliding block (6), and the bearing pressing block (11) is positioned on the right side of the right sliding block (10).
5. The continuously adjustable pinhole according to claim 4, characterized in that the bearing holding mechanism (5) comprises a left side bracket (51), a bearing (52) and a locking nut (53), the lower end of the left side bracket (51) is fixedly connected with the base (3), the bearing (52) is sleeved in the upper end of the left side bracket (51), and the bearing (52) is fixedly locked with the left side bracket (51) through the locking nut (53).
6. The continuously adjustable pinhole according to claim 1, characterized in that the right side of the first diaphragm sheet (81) is provided with a first rectangular notch, and a rectangular through hole (83) is formed between the first rectangular notch of the first diaphragm sheet (81) and the second diaphragm sheet (82);
or a second rectangular notch is formed in the left side of the second diaphragm sheet (82), and a rectangular through hole (83) is formed between the first diaphragm sheet (81) and the second rectangular notch of the second diaphragm sheet (82).
7. The continuously adjustable pinhole according to claim 1, characterized in that the right side of the first diaphragm sheet (81) is provided with a first rectangular notch, the left side of the second diaphragm sheet (82) is provided with a second rectangular notch, the first rectangular notch and the second rectangular notch have the same vertical position, the first rectangular notch has the same height as the second rectangular notch, and a rectangular through hole (83) is formed between the first rectangular notch of the first diaphragm sheet (81) and the second rectangular notch of the second diaphragm sheet (82).
8. The continuously adjustable pinhole according to claim 2, characterized in that the continuously adjustable pinhole further comprises an electro-optical limiting mechanism (12), the electro-optical limiting mechanism (12) comprises an electro-optical trigger sheet (121) and a circuit board (122), the electro-optical trigger sheet (121) is connected with the left slider (6), the circuit board (122) is connected with the base (3), the circuit board (122) comprises a control unit, a left limit position detection sensor (123) and a right limit position detection sensor (124), the control unit is connected with the motor (1), and when the electro-optical trigger sheet (121) moves to the left limit position detection sensor (123) or the right limit position detection sensor (124), the control unit can stop the motor (1).
9. Continuously adjustable pinhole according to claim 8, characterized in that the circuit board (122) further comprises a zero position detection sensor (125), the zero position detection sensor (125) being located between the left extreme position detection sensor (123) and the right extreme position detection sensor (124), the control unit being able to control the motor (1) to rotate in forward or reverse direction so that the position of the photo-electric trigger plate (121) corresponds to the position of the zero position detection sensor (125).
10. A raman spectrometer comprising the continuously adjustable pinhole of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921897281.XU CN211086093U (en) | 2019-11-06 | 2019-11-06 | Continuously adjustable pinhole and Raman spectrum tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897281.XU CN211086093U (en) | 2019-11-06 | 2019-11-06 | Continuously adjustable pinhole and Raman spectrum tester |
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| CN211086093U true CN211086093U (en) | 2020-07-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946848A (en) * | 2021-01-29 | 2021-06-11 | 中国科学院苏州生物医学工程技术研究所 | High-precision closed-loop control slit adjusting device |
| CN114114671A (en) * | 2021-11-10 | 2022-03-01 | 苏州科韵激光科技有限公司 | Electric rectangular diaphragm device and diaphragm size adjusting method |
| CN114488514A (en) * | 2022-03-01 | 2022-05-13 | 中国科学院苏州生物医学工程技术研究所 | Electric continuously adjustable pinhole device |
-
2019
- 2019-11-06 CN CN201921897281.XU patent/CN211086093U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946848A (en) * | 2021-01-29 | 2021-06-11 | 中国科学院苏州生物医学工程技术研究所 | High-precision closed-loop control slit adjusting device |
| CN114114671A (en) * | 2021-11-10 | 2022-03-01 | 苏州科韵激光科技有限公司 | Electric rectangular diaphragm device and diaphragm size adjusting method |
| CN114488514A (en) * | 2022-03-01 | 2022-05-13 | 中国科学院苏州生物医学工程技术研究所 | Electric continuously adjustable pinhole device |
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