A test handler implementing cavity number recognition and product screening
By adding a mold cavity number recognition and screening device to the test and sorting equipment, the mold cavity number can be automatically identified and screened using a suction pen and a processor. This solves the problem of the lack of mold cavity number recognition in the existing equipment, achieves efficient screening with a low false judgment rate, and saves costs and space.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU DAOMING MICROELECTRONICS CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-07-21
AI Technical Summary
Existing testing and sorting equipment lacks the function of identifying and screening mold cavity numbers, resulting in high costs for manual screening and additional equipment occupying space, thus increasing production costs.
A mold cavity number recognition and screening device is added to the testing and sorting equipment. The product is picked up by a suction pen and the mold cavity number image is captured. The processor is used to identify and screen the mold cavity number, thereby realizing automated mold cavity number recognition and screening.
It achieves efficient identification and screening of cavity numbers with a low false positive rate, saving costs and time without increasing equipment space.
Smart Images
Figure CN224525361U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of semiconductor packaging module cavity number recognition technology, specifically to a test and sorting device that realizes cavity number recognition and product screening. Background Technology
[0002] Test sorting equipment is mainly used in the verification stage of integrated circuit design and the finished product testing stage of packaging and testing. Its main purpose is to automatically transfer the chip to be tested to the test station, which is a position for connecting the chip to the test machine and conducting the test. After the test is completed, the test sorting equipment marks, classifies and collects the tested chips according to the test results.
[0003] However, in actual production, if some products corresponding to certain mold numbers in a production batch are judged to be defective, all products associated with those mold numbers need to be identified and screened. However, existing testing and sorting equipment has functional limitations, lacking a mold number identification and screening module. In this situation, manual screening would incur high time and labor costs; to achieve mold number product identification and screening, additional dedicated equipment would be needed, increasing production costs. Furthermore, the introduction of new equipment would occupy significant space, negatively impacting production line layout and the efficient use of production space. Utility Model Content
[0004] The technical problem this invention aims to solve is that existing testing and sorting equipment does not have the function of identifying and screening module cavity numbers. In order to realize the identification and screening of photovoltaic modules cavity numbers, new equipment needs to be added. The new equipment occupies a lot of space and also increases the production cost of the product.
[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: A testing and sorting device for screening mold cavity numbers includes a mounting plate and a turntable. The turntable is rotatably mounted on the mounting plate. Along the circumference of the turntable, the mounting plate is provided with an infeed device, a receiving device, several positioning devices, several testing devices, a discharge device, and a mold cavity number identification and screening device. The feeding device is used to send the products to be tested to the testing and sorting equipment; The receiving device is used to send the inspected products away from the testing and sorting equipment; The discharge device is used to send the screened products with specific mold numbers away from the testing and sorting equipment; Positioning device, used to position products; Testing equipment used for testing products; A mold cavity number identification and screening device is used to identify and screen products based on their mold cavity numbers. It includes a camera lens box fixed to a specific point on a testing and sorting device, and a mounting plate fixed to a rotating frame. Several upper and lower connecting bushings are mounted on the mounting plate. A suction pen is provided at the end of each upper and lower connecting bushing away from the mounting plate to attract and expose the mold cavity number on the product. The image of the product mold cavity number captured by the camera lens box is transmitted to the processor of the testing and sorting device. The processor has a pre-set program for identifying and screening products with corresponding mold cavity numbers.
[0006] Furthermore, the turntable is divided into a disk A and a disk B. Around disk A and disk B, the following devices are sequentially arranged on the mounting plate: a feeding device, a first positioning device, a mold cavity number identification and screening device, a first rotating device, a first testing device, a second testing device, a third testing device, a fourth testing device, a first discharging device, a second positioning device, a first image detection component, a fifth testing device, a second rotating device, a third positioning device, a second image detection component, a third image detection component, a third rotating device, a second discharging device, a receiving device, and / or an overflow device.
[0007] Furthermore, the first discharge device is used to identify and screen the photovoltaic products corresponding to the mold cavity number according to the mold cavity number, rotate the suction pen to the first discharge device, and discharge the screened products of the specific mold cavity number through the discharge channel.
[0008] Furthermore, the first image detection component is used to inspect the chip, including printing identification information on the surface of the photovoltaic product using laser technology, cleaning the photovoltaic product with a brush to remove surface impurities, performing two-dimensional dimensional measurement (2DMS) and / or related CE inspection of the photovoltaic product surface.
[0009] Compared with the prior art, the testing and sorting equipment for realizing mold cavity number identification and product screening provided by this utility model has the following beneficial effects: By adding a suction pen to the testing and sorting equipment to adsorb photovoltaic products, the pen picks up the products and removes them from the transport track. A mirror box located below then photographs the products with exposed cavity numbers, and the captured images are transmitted to a processor. The processor identifies the products based on pre-set defective cavity numbers and uses the suction pen to transport the corresponding photovoltaic products to the discharge pipe for removal. This achieves the screening of products with specific cavity numbers. This solution offers advantages such as high screening efficiency and low false positive rate; it also does not affect the unit capacity of the testing and sorting equipment, and can meet the needs of product cavity number identification and screening without the need for additional equipment, effectively saving costs and time. Attached Figure Description
[0010] Figure 1A schematic diagram of the structure of a test and sorting device for realizing mold number identification and product screening provided in an embodiment of this utility model; Figure 2 A schematic diagram of the structure of the mold cavity number identification and screening device provided in this embodiment of the utility model; Explanation of key figure labels: 1-Feeding device; 2-First positioning device; 3-Mold cavity number identification and screening device; 31-Frame; 32-Mounting plate; 33-Upper and lower connecting bushings; 34-Suction pen; 35-Camera lens box; 4-First rotating device; 5-First testing device; 6-Second testing device; 7-Third testing device; 8-Fourth testing device; 9-First discharging device; 10-Second positioning device; 11-First image detection component; 12-Fifth testing device; 13-Second rotating device; 14-Third positioning device; 15-Second image detection component; 16-Third image detection component; 17-Third rotating device; 18-Second discharging device; 19-Receiving device; 20-Overflow device; 100-Photovoltaic product; 200-Mounting plate; 301-A turntable; 302-B turntable. Detailed Implementation
[0011] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0012] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0013] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an integral connection, or a detachable connection; they can refer to the internal connection of two components; they can refer to a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0014] See Figure 1This utility model embodiment provides a testing and sorting device for realizing mold cavity number identification and product screening. The testing and sorting device includes a mounting plate 200 and a turntable. The turntable is rotatably mounted on the mounting plate 200. Several points are arranged on the mounting plate 200 along the circumference of the turntable. At each point, a feeding device 1, a receiving device 19, several positioning devices, several testing devices, several rotating devices, several appearance inspection devices, and a mold cavity number identification and screening device are mainly provided. Feeding device 1 is used to send the product to be tested to the testing and sorting equipment; The receiving device 19 is used to send the tested and screened products away from the testing and sorting equipment; The discharge device is used to send the screened products with specific mold numbers away from the testing and sorting equipment; The positioning device is used to locate the product, preparing it for subsequent product testing, mold number identification, image detection, tube packaging and other tasks. A rotating device is used to drive the product being tested to rotate by a preset angle; A mold cavity number identification and screening device is used to identify and screen defective products corresponding to pre-set mold cavity numbers. See also... Figure 2 The system includes a camera lens box 35 fixed to a test and sorting equipment position, and a mounting plate 32 fixed to a rotating frame 31. The mounting plate 32 is equipped with several upper and lower connecting bushings 33. The end of the upper and lower connecting bushings 33 away from the mounting plate 32 is provided with a suction pen 34 for adsorbing the exposed mold number of the product. The product mold number image captured by the camera lens box 35 is transmitted to the test and sorting equipment processor. The processor has a program preset for identifying and screening products with specific mold numbers.
[0015] Several testing devices are used to test the product. The test contents include: the voltage drop generated between the two poles of the diode when the rated forward current flows through it; the reverse current value flowing through the diode under specified reverse voltage conditions, etc.
[0016] In this embodiment, the turntable includes disk A 301 and disk B 302. Surrounding disk A 301 and disk B 302, the mounting plate 200 is sequentially equipped with the following devices: Feeding device 1: As the starting point of the process, it is responsible for feeding the tube-packaged photovoltaic products into the production and testing process; First positioning device 2: Positions the incoming photovoltaic products to prepare for subsequent processes; Module cavity number identification and screening device 3: Identifies the module cavity number information of photovoltaic products and realizes the identification and screening of products with corresponding module cavity numbers based on preset module cavity numbers; First rotating device 4: Adjusts the posture of photovoltaic products through rotation to adapt them to subsequent site operations; First testing device 5: Conducts the first round of performance and functional tests on photovoltaic products; Second testing device 6: Conducts a second round of testing on photovoltaic products to further verify their characteristics; Third testing device 7: Conducts the third round of testing on photovoltaic products and continuously monitors the indicators of photovoltaic products; Fourth testing device 8: Conducts the fourth round of testing on photovoltaic products to improve the testing of photovoltaic products; First discharge device 9: Based on the mold cavity number identification and screening results, the photovoltaic product wafers corresponding to the mold cavity number are rotated to the station along the suction pipe and discharged through discharge channels 1-4; Second positioning device 10: Performs another positioning operation on the photovoltaic product to ensure the accuracy of subsequent processes; First image inspection component 11 (B disk inspection station); used to inspect chips, including using laser technology to print marking information on the surface of photovoltaic products, cleaning photovoltaic products with a brush to remove surface impurities, and carrying out two-dimensional dimension measurement 2DMS or related photovoltaic product surface CE inspection, etc. Fifth testing device 12: Conducts the fifth round of testing to supplement the performance testing of photovoltaic products; Second rotating device 13: Adjusts the posture of photovoltaic products to assist in subsequent processes; Third positioning device 14: Used for the third positioning of photovoltaic products to ensure operational accuracy; Second image inspection component 15: Performs 3D dimension measurement and related morphological and surface 3S inspection; Third image inspection component 16: Performs final verification testing (EV, such as electrical verification, etc.) to confirm whether the photovoltaic products meet the standards; Third rotating device 17: Adjusts the posture of photovoltaic products to prepare for subsequent material collection and other processes; Second discharge device 18: According to the test results, the photovoltaic products are sorted into discharge channels 5-8; Material receiving device 19: After the photovoltaic products are discharged, they are collected into different pipes according to their categories to complete the material receiving process; Overflow device 20: Collects and processes excess and overflowing photovoltaic products during the process to ensure smooth production line operation.
[0017] The process for the testing and sorting equipment to screen and test products with corresponding cavity numbers is as follows: Photovoltaic products 100 enter the testing and sorting equipment through the feeding device 1. The first positioning device 2 then positions the incoming photovoltaic products. The suction pen 34 in the cavity number identification and screening device 3 adsorbs the photovoltaic products and removes them from the transmission track. A camera lens box 35, fixed below the track, captures images of the cavity numbers of the photovoltaic products. These images are transmitted to the processor. A pre-stored image recognition algorithm in the processor extracts the cavity number value for each photovoltaic product and compares it with the cavity numbers to be selected pre-set in the software. If they match, the selected material is loaded into the first discharge device 9 and discharged from the testing and sorting equipment, thus achieving the function of selecting one or more fixed cavity numbers. The remaining products undergo subsequent quality inspection processes.
[0018] The testing and sorting equipment provided in this embodiment can capture and identify the mold cavity number of products, with high image detection efficiency and low false positive rate. Furthermore, it does not affect the unit capacity of the testing and sorting equipment, and can complete the identification and screening of product mold cavity numbers without adding new equipment, saving costs and time.
[0019] In summary, the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A testing and sorting device for realizing mold number identification and product screening, characterized in that, The assembly includes a mounting plate (200) and a turntable, the turntable being rotatably mounted on the mounting plate. The mounting plate is provided with a feeding device (1), a receiving device (19), several positioning devices, several testing devices, several rotating devices, a discharge device, and a mold cavity number identification and screening device along the circumference of the turntable. The feeding device is used to send the products to be tested to the testing and sorting equipment; The receiving device is used to send the inspected products away from the testing and sorting equipment; Positioning device, used to position products; Testing equipment used to test products; A rotating device is used to drive the product to rotate by a preset angle; The discharge device is used to send the screened products with specific mold numbers away from the testing and sorting equipment; The mold cavity number identification and screening device (3) includes a camera lens box (35) fixed to the test and sorting equipment position, and a mounting plate (32) fixed to a certain rotating frame (31). Several upper and lower connecting bushings (33) are installed on the mounting plate. A suction pen (34) for adsorbing the mold cavity number of the product is provided at the end of the upper and lower connecting bushings away from the mounting plate. The product mold cavity number image captured by the camera lens box is transmitted to the test and sorting equipment processor. The processor has a program preset for identifying and screening products with specific mold cavity numbers.
2. The testing and sorting equipment for realizing mold number identification and product screening according to claim 1, characterized in that, The turntable is divided into a disk A and a disk B. Around disk A and disk B, the following devices are arranged in sequence on the mounting plate: feeding device (1), first positioning device (2), mold cavity number identification and screening device (3), first rotating device (4), first testing device (5), second testing device (6), third testing device (7), fourth testing device (8), first discharging device (9), second positioning device (10), first image detection component (11), fifth testing device (12), second rotating device (13), third positioning device (14), second image detection component (15), third image detection component (16), third rotating device (17), second discharging device (18), receiving device (19) and / or overflow device (20).
3. The testing and sorting equipment for realizing mold number identification and product screening according to claim 1, characterized in that, The first discharge device (9) is used to identify the screening result based on the mold cavity number, rotate the photovoltaic product with the corresponding mold cavity number to the first discharge device along with the suction pen, and discharge the screened specific mold cavity number product through the discharge channel.
4. The testing and sorting equipment for realizing mold number identification and product screening according to claim 1, characterized in that, The first image inspection component is used to inspect the chip, including printing marking information on the surface of the photovoltaic product using laser technology, cleaning the photovoltaic product with a brush to remove surface impurities, performing two-dimensional dimensional measurement (2DMS) and / or related CE inspection of the photovoltaic product surface.