Protection device for preventing chips from being damaged in sorting process
By designing protective devices such as an adsorption head, protective shell, and ventilation components in the semiconductor chip sorting machine, the problem of chip damage caused by dust has been solved, and the lifespan and stability of the chips have been improved.
Patent Information
- Application Number
- CN202520103967.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-16
AI Technical Summary
In existing semiconductor chip sorting machines, dust and other impurities in the air can easily stick to the bottom of the chips during the sorting process, causing chip damage and reducing the chip's lifespan.
A protective device was designed to prevent chip damage during the sorting process. The device uses an adsorption head to fix the chip, combined with a protective shell, limiting components, and ventilation components to prevent dust from entering and forming an air wall, thus protecting the chip surface.
It effectively prevents dust from damaging the chip, improves the chip's lifespan and movement stability, and enhances the protection effect during the sorting process.
Smart Images

Figure CN223844222U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chip protection technology, specifically a protective device to prevent chip damage during the sorting process. Background Technology
[0002] A semiconductor chip sorter is a device used for testing and sorting semiconductor components. It is mainly used in the packaging and testing of semiconductor devices. Its working principle is to sort chips through optical principles. The specific steps include: a light source emits light to illuminate the surface of the chip to be sorted, the reflected light passes through a lens and enters a photoelectric sensor, the photoelectric sensor converts the signal into an electrical signal and processes it through a processor, and finally determines whether the chip meets the requirements according to preset parameters. If it does, it is sorted and output.
[0003] Existing semiconductor chip sorting machines use sorting heads to move chips during the sorting process. However, dust and other impurities in the air can easily stick to the bottom of the chips during this process, which may damage the chips during installation and reduce their lifespan. Therefore, a protective device to prevent chip damage during the sorting process is proposed to solve the above-mentioned problems. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a protective device to prevent chip damage during the sorting process. It has advantages such as protecting the chip surface from dust, preventing dust from damaging the chip, and improving the chip's lifespan. It solves the problem that in existing semiconductor chip sorting machines, the sorting head is used to transfer the chip's position during the sorting process. During this transfer, dust and other impurities in the air can easily stick to the bottom of the chip, which may damage the chip during installation and reduce its lifespan.
[0006] (II) Technical Solution
[0007] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A protective device to prevent chip damage during the sorting process includes a sorting head, an adsorption head at the bottom of the sorting head, a sorting chip adsorbed at the bottom of the adsorption head, a protective shell extending below the inner side of the sorting head, a connecting plate fixedly connected to the outer side of the protective shell, a mounting plate fixedly connected to the outer side of the sorting head, a connecting spring with its other end fixedly connected to the outer side of the mounting plate fixedly connected to the outer side of the connecting plate, a limit component fixedly connected to the top of the connecting plate, and a ventilation component fixedly connected to the outer side of the sorting head.
[0008] The beneficial effects of this utility model are:
[0009] The protective device that prevents chip damage during the sorting process has the advantage of protecting the chip surface from dust, preventing dust from damaging the chip, and improving the chip's lifespan.
[0010] Based on the above technical solution, the present invention can be further improved as follows.
[0011] Furthermore, a protective rod is fixedly connected to the inner side of the sorting head, and there are multiple protective rods. A protective groove is opened at the top of the protective shell, and the outer side of the protective rod is slidably connected to the inner side of the protective groove.
[0012] The beneficial effect of adopting the above-mentioned further solution is that the protective rod can restrict the movement of the protective shell, effectively preventing the protective shell from shifting its position during movement.
[0013] Furthermore, the limiting component includes a limiting rod fixedly connected to the top of the connecting plate, the limiting rod extending above the mounting plate, and the other end of the limiting rod fixedly connected to a limiting plate. There are multiple limiting rods, which are distributed in a linear array at equal intervals on the top of the connecting plate.
[0014] The advantage of adopting the above-mentioned further solution is that the limiting component can restrict the position of the connecting plate.
[0015] Furthermore, the ventilation assembly includes a ventilation fan fixedly connected to the outside of the sorting head, a ventilation shell fixedly connected to the inside of the protective shell, and a ventilation hose with its other end connected to the air outlet of the ventilation fan.
[0016] The advantage of adopting the above-mentioned further solution is that the ventilation component can form an air wall on the outside of the sorting chip.
[0017] Furthermore, a filter shell is fixedly connected to the inner side of the protective shell, and a filter screen is fixedly connected to the inner side of the filter shell. The filter screen is located directly behind the ventilation shell and below the sorting chip. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a cross-sectional view of the structure of this utility model;
[0020] Figure 3 This is a connection diagram of the connecting plate and connecting spring of this utility model;
[0021] Figure 4 This is a connection diagram of the ventilation hose and ventilation shell of this utility model.
[0022] In the diagram: 1. Sorting head; 2. Adsorption head; 3. Sorting chip; 4. Protective shell; 5. Connecting plate; 6. Mounting plate; 7. Connecting spring; 8. Limiting assembly; 81. Limiting rod; 82. Limiting plate; 9. Ventilation assembly; 91. Ventilation fan; 92. Ventilation shell; 93. Ventilation hose; 10. Protective rod; 11. Filter shell; 12. Filter screen. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] In the embodiments, by Figure 1-4 Provided is a protective device to prevent chip damage during sorting. The present invention includes a sorting head 1, an adsorption head 2 at the bottom of the sorting head 1, a sorting chip 3 adsorbed at the bottom of the adsorption head 2, a protective shell 4 extending below the inner side of the sorting head 1, a connecting plate 5 fixedly connected to the outer side of the protective shell 4, a mounting plate 6 fixedly connected to the outer side of the sorting head 1, a connecting spring 7 fixedly connected to the outer side of the connecting plate 5 at the other end, a limit component 8 fixedly connected to the top of the connecting plate 5, and a ventilation component 9 fixedly connected to the outer side of the sorting head 1.
[0025] Among them, a protective rod 10 is fixedly connected to the inner side of the sorting head 1, and there are multiple protective rods 10. A protective groove is opened at the top of the protective shell 4, and the outer side of the protective rod 10 is slidably connected to the inner side of the protective groove.
[0026] The protective rod 10 can restrict the movement of the protective shell 4, effectively preventing the protective shell 4 from shifting its position during movement.
[0027] The limiting component 8 includes a limiting rod 81 fixedly connected to the top of the connecting plate 5. The limiting rod 81 extends above the mounting plate 6. The other end of the limiting rod 81 is fixedly connected to a limiting plate 82. There are multiple limiting rods 81, which are distributed in a linear array at equal intervals on the top of the connecting plate 5.
[0028] The limiting component 8 can restrict the movement of the connecting plate 5, effectively preventing the connecting plate 5 from shifting position during movement and improving the stability of the connecting plate 5's movement.
[0029] The ventilation assembly 9 includes a ventilation fan 91 fixedly connected to the outside of the sorting head 1, a ventilation shell 92 fixedly connected to the inside of the protective shell 4, and a ventilation hose 93 with the other end connected to the air outlet of the ventilation fan 91.
[0030] When the ventilation fan 91 is turned on, the air will enter the inside of the ventilation housing 92 through the ventilation hose 93, thereby forming an air wall at the bottom of the sorting chip 3.
[0031] The protective shell 4 has a filter shell 11 fixedly connected to its inner side, and a filter screen 12 fixedly connected to its inner side. The filter screen 12 is located directly behind the ventilation shell 92 and below the sorting chip 3.
[0032] Working principle:
[0033] The position of the sorting chip 3 can be fixed by the adsorption head 2. During the movement, the outer side of the sorting chip 3 can be protected by the protective shell 4, which effectively prevents the outer side of the sorting chip 3 from being damaged. At the same time, the ventilation fan 91 is started, and the air will enter the inner side of the ventilation shell 92 through the ventilation hose 93, thereby forming an air wall at the bottom of the sorting chip 3, which can prevent dust from entering the sorting chip 3 from below, thus improving the stability of the sorting chip 3 during the movement.
[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A protective device for preventing chip damage during sorting, comprising a sorting head (1), characterized in that: The bottom end of the sorting head (1) is provided with an adsorption head (2), and the bottom end of the adsorption head (2) adsorbs a sorting chip (3). The inner side of the sorting head (1) is movably connected to a protective shell (4) extending below it. The outer side of the protective shell (4) is fixedly connected to a connecting plate (5). The outer side of the sorting head (1) is fixedly connected to a mounting plate (6). The outer side of the connecting plate (5) is fixedly connected to a connecting spring (7) whose other end is fixedly connected to the outer side of the mounting plate (6). The top end of the connecting plate (5) is fixedly connected to a limit assembly (8). The outer side of the sorting head (1) is fixedly connected to a ventilation assembly (9).
2. The protective device for preventing chip damage during the sorting process according to claim 1, characterized in that: The inner side of the sorting head (1) is fixedly connected with a protective rod (10), and there are multiple protective rods (10). The top of the protective shell (4) is provided with a protective groove, and the outer side of the protective rod (10) is slidably connected to the inner side of the protective groove.
3. The protective device for preventing chip damage during the sorting process according to claim 1, characterized in that: The limiting component (8) includes a limiting rod (81) fixedly connected to the top of the connecting plate (5). The limiting rod (81) extends above the mounting plate (6). The other end of the limiting rod (81) is fixedly connected to a limiting plate (82). There are multiple limiting rods (81), and the multiple limiting rods (81) are distributed in a linear array at equal distances on the top of the connecting plate (5).
4. The protective device for preventing chip damage during the sorting process according to claim 1, characterized in that: The ventilation assembly (9) includes a ventilation fan (91) fixedly connected to the outside of the sorting head (1), a ventilation shell (92) fixedly connected to the inside of the protective shell (4), and a ventilation hose (93) with the other end connected to the air outlet of the ventilation fan (91).
5. The protective device for preventing chip damage during the sorting process according to claim 4, characterized in that: A filter shell (11) is fixedly connected to the inner side of the protective shell (4), and a filter screen (12) is fixedly connected to the inner side of the filter shell (11). The filter screen (12) is located directly behind the ventilation shell (92) and below the sorting chip (3).