GB/T 37951-2019 in English
VALIDTest methods for microchannel plate
- Issued on:2019-08-30
- Implemented on:2020-03-01
- File Format:PDF
- Delivery:Via email within 5 business days
$359.00
| Standard No: | GB/T 37951-2019 |
| Document status: | VALID |
| Title in English: | Test methods for microchannel plate |
| Title in Chinese: | 微通道板试验方法 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2019-08-30 |
| Implemented on: | 2020-03-01 |
| ICS Classification: | 31.260-Optoelectronics. Laser equipment |
| Chinese Classification: | L50-Optoelectronic device assembly |
| Professional Classification: | GB-National Standard |
| Related Topics: | Tongwei
Microplate Colorimetric Test Channel Micrometer Applications microchannel plate microplate micro channel Microswim test micro test board method channel test GBT37951 Road board Micro water test microbeam test microchemical methods |
《GB/T 37951-2019微通道板试验方法》由TC103（全国光学和光子学标准化技术委员会）归口，TC103SC5（全国光学和光子学标准化技术委员会光学材料和元件分会）执行，主管部门为中国兵器工业集团公司。
Introduction
GB/T 37951—2019: In-depth analysis of microchannel plate test methods
| Standard requirements | Test indicators | Key parameters |
|---|---|---|
| Atmospheric conditions | Temperature range: 15°C ~ 30°C Relative humidity: 30% ~ 55% | Tolerance ±2°C or ±2%, whichever is greater |
| Vacuum conditions | Vacuum degree requirement: 3×10⁻⁴ Pa | Test equipment: parallel light source, tool microscope |
| Electrical Performance Test | Gain, Resistance, Dark Current Density | Gain Threshold: G_L |
Standard Framework Comparison and Technology Evolution Analysis
Microchannel Plate (MCP) is a high-performance electronic component based on the principle of secondary electron multiplication, which is widely used in night vision technology, particle counting and space detection. GB/T 37951-2019 standard mainly regulates the test methods of MCP.
Comparison with International Standards
- This standard is basically consistent with the internationally accepted standards in terms of test indicators, but is more detailed in terms of specific parameter range and measurement accuracy.
- Added detailed test methods for gain non-uniformity and noise factor, filling the gap in related fields in China.
Technology Evolution Analysis
In recent years, with the increasing application of microchannel plates in high-resolution imaging systems, the performance requirements for them have also been continuously improved. The formulation of this standard fully considers the following technology development trends:
- High performance: Ensure the sensitivity and stability of the device through gain and resistance tests.
- Improved reliability: Introduce the lifetime test method to evaluate the long-term performance.
Implementation suggestions and precautions
Test equipment selection:It is recommended to use a high-precision tool microscope (accuracy better than 0.1μm) and professional testing equipment to ensure the accuracy of the measurement results.
Implementation step suggestions
- Sample preparation:Electronic cleaning and surface treatment are carried out according to the standard requirements to ensure that there is no contaminant interference with the test.
- Environmental Control: Strictly control the temperature and humidity of the test room to ensure that it meets the requirements of the atmospheric conditions.
- Vacuum System Calibration: Regularly calibrate the vacuum equipment to ensure that the vacuum degree meets the standard requirements (3×10⁻⁴ Pa).
Data Recording and Analysis
It is recommended to use professional test software to collect and process the measurement data and generate a standardized test report. Focus on the following indicators:
- Gain: The ratio of the output electron current to the input electron current, which directly reflects the amplification ability of the device.
- Dark Current Density: The output current when there is no input, which is used to evaluate the noise level of the device.
Summary and Outlook
GB/T 37951-2019 standard provides comprehensive and scientific guidance for the test methods of microchannel plates, which is of great significance to promoting the development of optics and photonics in my country. In the future, with the advancement of technology, it is recommended to further improve the following aspects:
- Expand the test range of environmental adaptability, such as performance evaluation under extreme conditions such as high temperature and high humidity.
- Introduce more advanced measurement methods to improve test efficiency and accuracy.
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