Chip rapid over-temperature test system and test method

Abstract

The invention discloses a chip rapid over-temperature test system and method, and the system comprises a constant temperature control unit, a temperature monitoring unit, and a data collection and processing unit, the constant temperature control unit is connected with the temperature monitoring unit, and the data collection and processing unit is connected with the temperature monitoring unit. The invention relates to the technical field of chip testing. According to the chip rapid over-temperature test system and test method, the high-temperature environment of the chip in practical application can be simulated, and the performance of the chip at the high temperature can be comprehensively evaluated through rapid temperature rise and accurate temperature control, so that the test efficiency is improved, the test cost is reduced, the accuracy and reliability of the test result are ensured, and meanwhile, the test efficiency is improved. The system can monitor the temperature change and performance data of the chip in real time, provides powerful data support for the quality control of the chip, and is helpful for improving the reliability of the chip and prolonging the service life of the chip.

Description

Technical Field

[0001] The present invention relates to the technical field of chip testing, and in particular to a chip rapid over-temperature testing system and a testing method. Background Art

[0002] The background technology of the chip fast overtemperature test system is rooted in the vigorous development of the semiconductor industry and its increasing requirements for chip performance stability and reliability. With the rapid advancement of information technology, semiconductor integrated circuits (i.e. chips) have been widely used in consumer electronics, automotive electronics, industrial control and other fields, becoming an indispensable core component of modern electronic devices. However, with the continuous improvement of chip integration and the continuous enhancement of functions, its performance in high temperature environment has become a key indicator to measure its quality.

[0003] In order to ensure that the chip can run stably under various extreme conditions, the industry's demand for chip testing continues to increase, especially for performance testing in high-temperature environments. Therefore, the chip fast overtemperature test system came into being. It uses advanced temperature control technology, high-precision temperature monitoring and data acquisition and processing methods to simulate the rapid temperature changes that the chip may encounter in actual applications in a short period of time, thereby comprehensively evaluating the performance stability and reliability of the chip in a high-temperature environment. The emergence of this system not only meets the semiconductor industry's strict requirements for chip quality control, but also provides important technical support for chip design, manufacturing and application. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a chip rapid over-temperature test system and test method, which solves the problem in the prior art that the chip cannot be quickly and conveniently tested for over-temperature.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a chip rapid overtemperature test system, including a constant temperature control unit, a temperature monitoring unit and a data acquisition and processing unit, the constant temperature control unit is connected to the temperature monitoring unit, and the data acquisition and processing unit is connected to the temperature monitoring unit;

[0006] The constant temperature control unit includes a heating element, a temperature sensor, a temperature controller, etc. The heating element is used to provide heat to increase the test environment temperature. The temperature sensor is used to monitor the ambient temperature in real time. The temperature controller controls the power of the heating element according to a preset temperature range to achieve accurate adjustment of the ambient temperature.

[0007] The temperature monitoring unit includes a high-precision temperature sensor and a data acquisition module. The high-precision temperature sensor is used to accurately measure the temperature of the chip surface, and the data acquisition module is responsible for transmitting the data of the temperature sensor to the data processing unit in real time;

[0008] The data acquisition and processing unit includes a data acquisition module, a data processing module and a data storage module. The data acquisition module is responsible for collecting data from the temperature monitoring unit and the chip performance monitoring unit. The data processing module processes and analyzes the data to evaluate the performance stability of the chip in a high temperature environment. The data storage module is used to store test data for subsequent analysis and comparison.

[0009] Preferably, the temperature monitoring unit and the data acquisition and processing unit are both real-time capable of monitoring and recording the temperature changes and performance data of the chip during the test in real time, and use high-precision temperature sensors and temperature controllers to ensure accurate control of the test environment temperature.

[0010] A chip rapid over-temperature test method specifically comprises the following steps:

[0011] S1. Test preparation and initialization: Before the test begins, the entire test system needs to be fully checked, including the constant temperature control unit, temperature monitoring unit, data acquisition and processing unit, etc., to ensure that all equipment is in normal working condition. According to the chip specifications and application scenarios, set the test temperature range, heating rate, test time and other key parameters, use sample chips, select representative chip samples for testing, ensure that the number of samples is sufficient, so that multiple tests can be carried out and the average value can be taken, and the chip samples are correctly installed in the test sample placement unit of the test system to ensure that the connection is firm and will not interfere with the test results;

[0012] S2, preheating stage: according to the preset test parameters, the constant temperature control unit is started to start the preheating process. During the preheating process, the temperature monitoring unit is used to monitor the temperature change of the chip surface in real time to ensure that the temperature change meets the preset heating rate and remains stable after reaching the preheating temperature;

[0013] S3, rapid heating and testing stage: after the preheating is completed, the output power of the constant temperature control unit is quickly adjusted to quickly raise the test environment temperature to the preset test temperature range, and the heating process is accelerated to simulate the rapid temperature changes that the chip may encounter in actual applications. During the heating process or after reaching the test temperature, the data acquisition and processing unit is used to record the performance data of the chip in real time, including power consumption and response time. The test parameters can be adjusted as needed to obtain more comprehensive performance data;

[0014] S4. Data analysis and result evaluation: After the test is completed, collect all recorded performance data and temperature data, use data analysis software or tools to process and analyze the collected data, and evaluate the performance of the chip in a high temperature environment based on the data analysis results. Based on the evaluation results, put forward improvement suggestions or optimization plans to improve the performance stability and reliability of the chip.

[0015] Preferably, in S1, a standard calibration device is used to calibrate the temperature sensor to ensure the accuracy of temperature measurement, and the test sample placement unit is checked to ensure that the chip can be correctly installed and stably connected.

[0016] Preferably, in S2, it is necessary to ensure that the test parameters can fully simulate the temperature changes of the chip in the actual working environment.

[0017] Preferably, in S3, test parameters are adjusted as needed to obtain more comprehensive performance data.

[0018] Preferably, the integrity and accuracy of the data need to be ensured in S4 to facilitate subsequent analysis and comparison of performance data under different test conditions to evaluate the performance stability of the chip in a high temperature environment.

[0019] Preferably, the optimization scheme in S4 is specifically to improve the data acquisition and processing system, develop a more efficient data acquisition algorithm to improve the real-time and accuracy of data acquisition, and introduce a filtering algorithm and a nonlinear correction algorithm to improve the accuracy and reliability of data processing.

[0020] Preferably, the optimization scheme also includes sorting out and optimizing the test process, removing unnecessary steps and links, and formulating a standardized test process to improve the consistency and repeatability of the test.

[0021] The present invention provides a chip rapid over-temperature test system and test method, which have the following beneficial effects:

[0022] (1) The chip rapid over-temperature test system and test method can simulate the high-temperature environment of the chip in actual application. Through rapid heating and precise temperature control, the performance of the chip under high temperature can be comprehensively evaluated. This not only improves the test efficiency and reduces the test cost, but also ensures the accuracy and reliability of the test results. At the same time, the system can monitor the temperature changes and performance data of the chip in real time, providing strong data support for the quality control of the chip, which helps to improve the reliability and service life of the chip.

[0023] (2) The chip fast over-temperature test system and test method have also played a positive role in promoting the innovation and development of the semiconductor industry. By quickly feeding back the test results, designers and manufacturers can promptly discover and optimize the problems that may exist in the chip under high temperature environments, thereby improving the overall performance of the chip. This not only helps to enhance the competitiveness of the semiconductor industry, but also brings more stable and reliable electronic products to consumers, promoting the healthy development of the entire industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Flow chart of the working principle of the present invention. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Embodiment 1

[0027] A chip rapid overtemperature test system comprises a constant temperature control unit, a temperature monitoring unit and a data acquisition and processing unit, wherein the constant temperature control unit is connected to the temperature monitoring unit, and the data acquisition and processing unit is connected to the temperature monitoring unit.

[0028] The constant temperature control unit includes a heating element, a temperature sensor, a temperature controller, etc. The heating element is used to provide heat to increase the test environment temperature. The temperature sensor is used to monitor the ambient temperature in real time. The temperature controller achieves precise adjustment of the ambient temperature by controlling the power of the heating element according to a preset temperature range.

[0029] The temperature monitoring unit includes a high-precision temperature sensor and a data acquisition module. The high-precision temperature sensor is used to accurately measure the temperature of the chip surface, and the data acquisition module is responsible for transmitting the data of the temperature sensor to the data processing unit in real time.

[0030] The data acquisition and processing unit includes a data acquisition module, a data processing module and a data storage module. The data acquisition module is responsible for collecting data from the temperature monitoring unit and the chip performance monitoring unit. The data processing module processes and analyzes the data to evaluate the performance stability of the chip in a high temperature environment. The data storage module is used to store test data for subsequent analysis and comparison.

[0031] The temperature monitoring unit and data acquisition and processing unit are both real-time capable of monitoring and recording the temperature changes and performance data of the chip during the test in real time, and use high-precision temperature sensors and temperature controllers to ensure accurate control of the test environment temperature.

[0032] Embodiment 2

[0033] See also Figure 1 The embodiment of the present invention provides a technical solution: a chip rapid over-temperature test method, which specifically includes the following steps:

[0034] S1. Test preparation and initialization: Before the test begins, a comprehensive inspection of the entire test system is required, including the constant temperature control unit, temperature monitoring unit, data acquisition and processing unit, etc., to ensure that all equipment is in normal working condition. According to the chip specifications and application scenarios, set the test temperature range, heating rate, test time and other key parameters. Use sample chips and select representative chip samples for testing. Ensure that the number of samples is sufficient to conduct multiple tests and take the average value. Correctly install the chip samples into the test sample placement unit of the test system to ensure that the connection is firm and will not interfere with the test results. Use standard calibration equipment to calibrate the temperature sensor to ensure the accuracy of temperature measurement. Check the test sample placement unit to ensure that the chip can be correctly installed and stably connected.

[0035] S2, preheating stage; according to the preset test parameters, start the constant temperature control unit and start the preheating process. During the preheating process, use the temperature monitoring unit to monitor the temperature changes on the chip surface in real time to ensure that the temperature changes meet the preset heating rate and remain stable after reaching the preheating temperature. It is necessary to ensure that the test parameters can fully simulate the temperature changes of the chip in the actual working environment.

[0036] S3, rapid heating and testing phase; after preheating is completed, quickly adjust the output power of the constant temperature control unit so that the test environment temperature rises rapidly to the preset test temperature range, accelerate the heating process, and simulate the rapid temperature changes that the chip may encounter in actual applications. During the heating process or after reaching the test temperature, use the data acquisition and processing unit to record the performance data of the chip in real time, including power consumption and response time. If needed, the test parameters can be adjusted to obtain more comprehensive performance data. If needed, the test parameters can be adjusted to obtain more comprehensive performance data.

[0037] S4. Data analysis and result evaluation: After the test is completed, all recorded performance data and temperature data are collected, and the collected data are processed and analyzed using data analysis software or tools. Based on the data analysis results, the performance of the chip in a high temperature environment is evaluated. Based on the evaluation results, improvement suggestions or optimization plans are proposed to improve the performance stability and reliability of the chip. The integrity and accuracy of the data must be ensured for subsequent analysis, and the performance data under different test conditions must be compared to evaluate the performance stability of the chip in a high temperature environment. The optimization plan specifically includes improving the data acquisition and processing system, developing more efficient data acquisition algorithms to improve the real-time and accuracy of data acquisition, and introducing filtering algorithms and nonlinear correction algorithms to improve the accuracy and reliability of data processing. The optimization plan also includes combing and optimizing the test process, removing unnecessary steps and links, and formulating standardized test processes to improve the consistency and repeatability of the test.

Claims

1. A chip rapid overtemperature test system, comprising a constant temperature control unit, a temperature monitoring unit and a data acquisition and processing unit, characterized in that: The constant temperature control unit is connected to the temperature monitoring unit, and the data acquisition and processing unit is connected to the temperature monitoring unit; The constant temperature control unit includes a heating element, a temperature sensor, a temperature controller, etc. The heating element is used to provide heat to increase the test environment temperature. The temperature sensor is used to monitor the ambient temperature in real time. The temperature controller controls the power of the heating element according to a preset temperature range to achieve accurate adjustment of the ambient temperature. The temperature monitoring unit includes a high-precision temperature sensor and a data acquisition module. The high-precision temperature sensor is used to accurately measure the temperature of the chip surface, and the data acquisition module is responsible for transmitting the data of the temperature sensor to the data processing unit in real time; The data acquisition and processing unit includes a data acquisition module, a data processing module and a data storage module. The data acquisition module is responsible for collecting data from the temperature monitoring unit and the chip performance monitoring unit. The data processing module processes and analyzes the data to evaluate the performance stability of the chip in a high temperature environment. The data storage module is used to store test data for subsequent analysis and comparison.

2. A chip rapid over-temperature test system and test method according to claim 1, characterized in that: The temperature monitoring unit and the data acquisition and processing unit are both real-time capable of monitoring and recording the temperature changes and performance data of the chip during the test in real time, and use high-precision temperature sensors and temperature controllers to ensure accurate control of the test environment temperature.

3. A chip rapid over-temperature test system according to claim 1, characterized in that: The implementation method specifically includes the following steps: S1. Test preparation and initialization: Before the test begins, the entire test system needs to be fully checked, including the constant temperature control unit, temperature monitoring unit, data acquisition and processing unit, etc., to ensure that all equipment is in normal working condition. According to the chip specifications and application scenarios, set the test temperature range, heating rate, test time and other key parameters, use sample chips, select representative chip samples for testing, ensure that the number of samples is sufficient, so that multiple tests can be carried out and the average value can be taken, and the chip samples are correctly installed in the test sample placement unit of the test system to ensure that the connection is firm and will not interfere with the test results; S2, preheating stage: according to the preset test parameters, the constant temperature control unit is started to start the preheating process. During the preheating process, the temperature monitoring unit is used to monitor the temperature change of the chip surface in real time to ensure that the temperature change meets the preset heating rate and remains stable after reaching the preheating temperature; S3, rapid heating and testing stage: after the preheating is completed, the output power of the constant temperature control unit is quickly adjusted to quickly raise the test environment temperature to the preset test temperature range, and the heating process is accelerated to simulate the rapid temperature changes that the chip may encounter in actual applications. During the heating process or after reaching the test temperature, the data acquisition and processing unit is used to record the performance data of the chip in real time, including power consumption and response time. The test parameters can be adjusted as needed to obtain more comprehensive performance data; S4. Data analysis and result evaluation: After the test is completed, collect all recorded performance data and temperature data, use data analysis software or tools to process and analyze the collected data, and evaluate the performance of the chip in a high temperature environment based on the data analysis results. Based on the evaluation results, put forward improvement suggestions or optimization plans to improve the performance stability and reliability of the chip.

4. A chip rapid over-temperature test method according to claim 3, characterized in that: In S1, the temperature sensor is calibrated using standard calibration equipment to ensure the accuracy of temperature measurement, and the test sample placement unit is checked to ensure that the chip can be correctly installed and stably connected.

5. A chip rapid over-temperature testing method according to claim 3, characterized in that: In S2, it is necessary to ensure that the test parameters can fully simulate the temperature changes of the chip in the actual working environment.

6. A chip rapid over-temperature testing method according to claim 3, characterized in that: In S3, test parameters are also adjusted as needed to obtain more comprehensive performance data.

7. A chip rapid over-temperature testing method according to claim 3, characterized in that: The S4 needs to ensure the integrity and accuracy of the data so as to facilitate subsequent analysis, compare the performance data under different test conditions, and evaluate the performance stability of the chip in a high temperature environment.

8. A chip rapid over-temperature testing method according to claim 3, characterized in that: The optimization scheme in S4 is specifically to improve the data acquisition and processing system, develop a more efficient data acquisition algorithm to improve the real-time and accuracy of data acquisition, and introduce a filtering algorithm and a nonlinear correction algorithm to improve the accuracy and reliability of data processing.

9. A chip rapid over-temperature testing method according to claim 8, characterized in that: The optimization plan also includes sorting out and optimizing the test process, removing unnecessary steps and links, and formulating a standardized test process to improve the consistency and repeatability of the test.

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