GB/T 4314-2017 in English
VALIDGetter terms
- Issued on:2017-12-29
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 5 business days
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| Standard No: | GB/T 4314-2017 |
| Document status: | VALID |
| Title in English: | Getter terms |
| Title in Chinese: | 吸气剂术语 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2017-12-29 |
| Implemented on: | 2018-07-01 |
| Superseding: |
GB/T 4314-2000 Getter terms
|
| Chinese Classification: | L90-Special electronic technology material |
| Professional Classification: | GB-National Standard |
| Related Keywords: | getter terms introduction in-depth interpretation
related terms new terms redefine core terms appropriate getter type |
| Related Topics: | suck
gas adsorbent inhale GBT4314 GB/T 4314-2000 GB/T 4314-2017 |
《GB/T 4314-2017吸气剂术语》由339-1（工业和信息化部（电子））归口，主管部门为工业和信息化部（电子）。
Introduction
In-depth interpretation of the National Standard of the People's Republic of China GB/T 4314—2017
GB/T 4314—2017 "Terms of Getters" is an important standard for regulating the field of getters for vacuum devices, covering the definition, classification, characteristics and related terms of getters. This article will conduct an in-depth analysis from four aspects: standard background, main content, technological evolution and practical application, and provide professional implementation suggestions.
1. Background and significance of standard formulation
Getters play a key role in modern vacuum technology, mainly used to maintain a high vacuum environment, remove gas impurities and achieve precise control of specific substances. With the continuous expansion of the application field of vacuum devices, the technical requirements for getters are increasing.
GB/T 4314-2017 replaces the previous GB/T 4314-2000, and is mainly revised in the following aspects:
- Terminology redefinition:Including core concepts such as high temperature resistant getters and high firmness getters.
- New terms:Such as combined getters (3.40), low temperature amalgam (3.41), etc., enriching the scope of application of the standard.
- Technical details optimization:Key performance indicators such as initial inhalation rate and terminal inhalation rate are specified in more detail.
2. Comparison of the main content framework of the standard
| Standard version | Revised content | New/optimized items |
|---|---|---|
| GB/T 4314—2000 | Basic terminology framework, covering the definition, classification and some characteristics of getters. | - |
| GB/T 4314—2017 | Redefine core terms such as high temperature resistant getters, and add terms such as combined getters and low temperature amalgam. | Add technical indicators such as initial gettering rate (4.16) and free mercury (4.66); optimize the calculation method of outgassing volume. |
3. Recommendations for the implementation of the standard
Case analysis of actual applications
Take the combined getter (3.40) as an example. This term is defined as a getter that is assembled in a certain order by non-evaporable getters, chemical adsorbents, and catalytic converters. Its application scenarios include electronic devices and precision instruments with high vacuum requirements.
Implementation recommendations
- Selection recommendations:Choose the appropriate getter type according to specific application requirements. For example, high-temperature resistant getters (3.39) are recommended for high-temperature environments.
- Performance monitoring:Regularly test the adsorption capacity and degassing volume of the getter to ensure that it maintains stable performance during its validity period.
- Maintenance Recommendations: For regenerable getters (such as partially activated types), the manufacturer's recommended regeneration process should be followed to extend the service life.
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