CN209929678U - Device for reducing light input quantity - Google Patents
Device for reducing light input quantity Download PDFInfo
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- CN209929678U CN209929678U CN201920776608.1U CN201920776608U CN209929678U CN 209929678 U CN209929678 U CN 209929678U CN 201920776608 U CN201920776608 U CN 201920776608U CN 209929678 U CN209929678 U CN 209929678U
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Abstract
The utility model provides a reduce light inlet amount device, include: the bracket is arranged on the InGaAs machine platform; the light shielding plate is used for shielding a light inlet channel of the InGaAs machine table, can be rotatably arranged on the bracket around the axis of the light inlet channel, and is provided with a light transmitting gap; and the driving motor is arranged on the bracket and is in transmission connection with the shading plate. The utility model provides a when the abnormal position that adopts traditional InGaAs board location chip, because the chip electric current leads to the too big and then make the InGaAs board of chip bright spot scope be difficult to the problem of pinpointing greatly.
Description
Technical Field
The utility model relates to an indium gallium arsenide chip detects technical field, concretely relates to reduce light inlet amount device.
Background
Generally, when indium gallium arsenide (InGaAs) is located, an InGaAs machine station collects photons generated by conduction of a PN junction (PNjunction) in an IC sample, where a P-type semiconductor and an N-type semiconductor are fabricated on the same semiconductor substrate, and a space charge region is formed at an interface between the P-type semiconductor and the N-type semiconductor and is called as a PN junction).
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a device for reducing the light inlet quantity is provided so as to solve the problem that when the traditional InGaAs machine station is used for positioning the abnormal position of a chip, the light spot range of the chip is too large due to the overlarge current of the chip, so that the InGaAs machine station is difficult to accurately position.
To achieve the above object, there is provided an apparatus for reducing an amount of light entering, comprising:
the bracket is arranged on the InGaAs machine platform;
the light shielding plate is used for shielding a light inlet channel of the InGaAs machine table and is rotatably arranged on the bracket, a light transmitting gap is formed in the light shielding plate, and the rotating track of the light transmitting gap is intersected with the light inlet channel; and
and the driving motor is arranged on the bracket and is in transmission connection with the light screen.
Further, the bracket includes:
the bottom plate is provided with a hole aligned with the light inlet channel;
the supporting sleeve comprises a first pipe section arranged outside the light inlet channel, a second pipe section arranged in the light inlet channel along the length direction of the light inlet channel, and a third pipe section connected between the first pipe section and the second pipe section, the driving motor is installed on the first pipe section, and the shading plate can be installed at one end, far away from the third pipe section, of the second pipe section in a rotating mode around the axis of the light inlet channel.
Further, driving motor passes through gear drive transmission and connects in the light screen, the drive hole has been seted up on the lateral wall of first pipeline section, driving motor's output via the drive hole extends in the first pipeline section, driven output is equipped with first bevel gear, gear drive includes:
the first shaft is rotatably arranged in the first pipe section, two ends of the first shaft are respectively provided with a second bevel gear, and the second bevel gear at the first end of the first shaft is meshed with the first bevel gear;
the second shaft is rotatably arranged in the third pipe section, third bevel gears are respectively arranged at two ends of the second shaft, and the third bevel gear at the first end of the second shaft is meshed with the second bevel gear at the second end of the first shaft; and
the third shaft is rotatably arranged in the second pipe section, the first end of the third shaft is connected to the light shielding plate, the second end of the third shaft is provided with a fourth bevel gear, and the fourth bevel gear is meshed with the third bevel gear at the second end of the second shaft.
Furthermore, the first shaft sleeve is arranged in a first bearing, and the first bearing is embedded in the first pipe section.
Further, the first end of the third shaft is detachably coupled to the light shielding plate.
Further, the third shaft is arranged along the axial direction of the light inlet channel.
Furthermore, the light screen is connected with a threaded inserted bar, a threaded hole is formed in the end face of the first end of the third shaft, and the threaded inserted bar is screwed in the threaded hole.
Further, the light shielding plate is circular.
Further, the light-transmitting gap is fan-shaped.
Further, the light shielding plate is a black light shielding plate.
The beneficial effects of the utility model reside in that, adopting the utility model discloses a after reducing the light inlet device, even the chip's that awaits measuring self electrical property can not change (the chip's that awaits measuring self electric current is too big and lead to the bright spot scope too big), the utility model discloses a reduce the light inlet device and reduce the intensity of the strong bright spot of InGaAs board received photon in order to reduce the chip that awaits measuring through the light screen to optimize the test result, make the location of chip abnormal position more accurate.
Drawings
Fig. 1 is a front view of a device for reducing the amount of incident light according to an embodiment of the present invention.
Fig. 2 is a plan view of a device for reducing the amount of incident light according to an embodiment of the present invention.
Fig. 3 is a right side view of the device for reducing the amount of incident light according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a gear transmission mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic view illustrating a usage state of the device for reducing an amount of incident light according to the embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is a front view of a device for reducing amount of incident light according to an embodiment of the present invention, fig. 2 is a top view of a device for reducing amount of incident light according to an embodiment of the present invention, fig. 3 is a right view of a device for reducing amount of incident light according to an embodiment of the present invention, fig. 4 is a right view of a device for reducing amount of incident light according to an embodiment of the present invention, and fig. 5 is a schematic view of a structure of a gear transmission mechanism according to an embodiment of the present invention.
Referring to fig. 1 to 5, the present invention provides a device for reducing amount of incident light, including: support 1, light screen 2 and driving motor 3.
Specifically, the support 1 is mounted on an InGaAs (indium gallium arsenide micro-light microscope) platform. Specifically, the support 1 is mounted on an object stage inside a microscope of an InGaAs machine.
The light shielding plate 2 is used for shielding a light inlet channel 5 of the InGaAs machine table. The light shading plate 2 is rotatably arranged on the bracket 1, the light shading plate 2 is provided with a light transmission gap 20, and the rotating track of the light transmission gap 20 is intersected with the light inlet channel. The light transmission gap is periodically overlapped with the light inlet channel, so that photons of strong bright spots of the chip to be detected enter a microscope 7 of the InGaAs machine station through the light transmission gap.
The driving motor 3 is used for driving the shading plate 2 to rotate. The driving motor 3 is mounted on the bracket 1. The driving motor 3 is connected with the shading plate 2 in a transmission way.
The utility model discloses a reduce light volume device is the class filter type device that reduces chip (IC) luminous quantity to combine the InGaAs board to fix a position the abnormal position of chip in order to carry out the analysis. After adopting the device, the self electrical property of chip that awaits measuring can not change (even the self electric current of chip that awaits measuring is too big and lead to the bright spot scope too big promptly), the utility model discloses a reduction light inlet amount device reduces the intensity of the strong bright spot of InGaAs board received photon in order to reduce the chip that awaits measuring through the light screen to optimize the test result, make the location of chip abnormal position more accurate.
As a preferred embodiment, the stent 1 comprises: a base plate 11 and a support sleeve. Specifically, the bottom plate is formed with a hole aligned with the light tunnel 5. The support sleeve includes a first pipe section 121, a second pipe section 122 and a third pipe section 123. The first pipe segment 121 is disposed outside the light inlet passage 5. The second pipe section 122 is disposed in the light inlet channel 5 along the length direction of the light inlet channel 5. The third pipe section 123 is connected between the first pipe section 121 and the second pipe section 122. The drive motor 3 is mounted to the first pipe section 121. The shutter plate 2 is rotatably mounted to an end of the second tube section 122 remote from the third tube section 123. The rotation axis of the light shielding plate is arranged in the same direction with the axis of the light inlet channel.
In the present embodiment, the driving motor 3 is drivingly connected to the light shielding plate 2 through a gear transmission mechanism 4. Specifically, a driving hole is formed on the side wall of the first pipe segment 121. The output 31 of the drive motor 3 extends into the first pipe section 121 via a drive opening. The output 31 of the drive motor is provided with a first bevel gear. The gear transmission mechanism 4 includes: a first shaft 41, a second shaft 42 and a third shaft 43.
Specifically, the first shaft 41 is fitted in the first bearing 41. The first bearing 41 is embedded in the first pipe section 121. The second bearing is sleeved in the second bearing, and the second bearing is embedded in the third pipe section. The third shaft sleeve is arranged in a third bearing, and the third bearing is embedded in the second pipe section.
As a preferred embodiment, in order to achieve different light transmittances, the first end of the third shaft 43 is detachably connected to the light-shielding plate 2. The light shading plates with different areas of the transmission gaps are replaced to realize the replacement of the refractive indexes with different light transmittance.
Specifically, the light shielding plate 2 is connected with a threaded insert rod, and a threaded hole is formed in an end surface of the first end of the third shaft 43. The screw-threaded rod is screwed into the screw-threaded hole of the third shaft 43.
In the present embodiment, the light shielding plate 2 has a circular shape. The light-transmitting gap 20 is fan-shaped. The light shielding plate 2 is a black light shielding plate 2. The shading plate is divided into a black shading area and a blank area (a light-transmitting gap) which are combined into a whole circle, and the area ratio of the light-transmitting gap determines the shading capability of the shading plate.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the present invention, which are intended to be limited only by the scope of the appended claims.
Claims (10)
1. An apparatus for reducing an amount of incident light, comprising:
the bracket is arranged on the InGaAs machine platform;
the light shielding plate is used for shielding a light inlet channel of the InGaAs machine table and is rotatably arranged on the bracket, a light transmitting gap is formed in the light shielding plate, and the rotating track of the light transmitting gap is intersected with the light inlet channel; and
and the driving motor is arranged on the bracket and is in transmission connection with the light screen.
2. A downlight apparatus according to claim 1 wherein the mount comprises:
the bottom plate is provided with a hole aligned with the light inlet channel;
the supporting sleeve comprises a first pipe section arranged outside the light inlet channel, a second pipe section arranged in the light inlet channel along the length direction of the light inlet channel, and a third pipe section connected between the first pipe section and the second pipe section, the driving motor is installed on the first pipe section, and the shading plate can be installed at one end, far away from the third pipe section, of the second pipe section in a rotating mode around the axis of the light inlet channel.
3. The apparatus for reducing the amount of light entering according to claim 2, wherein the driving motor is connected to the light shielding plate through a gear transmission mechanism, a driving hole is formed on a side wall of the first tube, an output end of the driving motor extends into the first tube through the driving hole, the output end of the driving motor is provided with a first bevel gear, and the gear transmission mechanism comprises:
the first shaft is rotatably arranged in the first pipe section, two ends of the first shaft are respectively provided with a second bevel gear, and the second bevel gear at the first end of the first shaft is meshed with the first bevel gear;
the second shaft is rotatably arranged in the third pipe section, third bevel gears are respectively arranged at two ends of the second shaft, and the third bevel gear at the first end of the second shaft is meshed with the second bevel gear at the second end of the first shaft; and
the third shaft is rotatably arranged in the second pipe section, the first end of the third shaft is connected to the light shielding plate, the second end of the third shaft is provided with a fourth bevel gear, and the fourth bevel gear is meshed with the third bevel gear at the second end of the second shaft.
4. The apparatus according to claim 3, wherein the first bearing is embedded in a first bearing, and the first bearing is embedded in the first tube.
5. A device for reducing the amount of light entering as claimed in claim 3, wherein the first end of the third shaft is detachably connected to the light-shielding plate.
6. A device for reducing amount of light entering according to claim 3, wherein said third axis is disposed along an axial direction of said light entering passage.
7. The apparatus for reducing the amount of light entering according to claim 5, wherein a screw rod is connected to the light shielding plate, a threaded hole is formed in an end surface of the first end of the third shaft, and the screw rod is screwed into the threaded hole.
8. The apparatus according to claim 1, wherein the light shielding plate is circular.
9. The apparatus according to claim 8, wherein the light-transmitting gap has a fan shape.
10. The apparatus according to claim 1, wherein the light shielding plate is a black light shielding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776608.1U CN209929678U (en) | 2019-05-27 | 2019-05-27 | Device for reducing light input quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776608.1U CN209929678U (en) | 2019-05-27 | 2019-05-27 | Device for reducing light input quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929678U true CN209929678U (en) | 2020-01-10 |
Family
ID=69092022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920776608.1U Active CN209929678U (en) | 2019-05-27 | 2019-05-27 | Device for reducing light input quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929678U (en) |
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2019
- 2019-05-27 CN CN201920776608.1U patent/CN209929678U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong Shenzhen Nanshan District Nanshan District High Street Industrial Park R2 factory building Patentee after: Suzhou Yite (Shenzhen) Testing Technology Co., Ltd Address before: 518000 Guangdong Shenzhen Nanshan District Nanshan District High Street Industrial Park R2 factory building Patentee before: SHENZHEN YITE DETECTION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |