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GB/T 25495-2010Test methods for metal releasing characteristics of getters (English PDF)

吸气剂金属释放特性测试方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 1, 2010

Implementation date

May 1, 2011

Scope

GB/T 25495-2010 is the English-translated version of 吸气剂金属释放特性测试方法.

GB/T 25495-2010 is the Chinese standard "Test methods for metal releasing characteristics of getters".

Its scope clause reads: This standard specifies the characteristics of getter metal release test methods, such as the total amount of mercury releasing mercury releasing getter, the standard amount of mercury release, mercury release characteristic curve Test Method for wire and thermal stability, barium evaporable getter method was tested a barium amount of nitrogen-doped barium getter film distribution test methods.

This standard applies to devices with a vacuum getter. Its clauses include terms.

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Document preview — GB/T 25495-2010

National Standard of the People's Republic of China

ICS
31.030
Classification
L 90
Replacing
GB 9506.6-1988

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms
  • 4.1 Principle
  • 4.2 Test equipment and conditions

1 Scope

This standard specifies the characteristics of getter metal release test methods, such as the total amount of mercury releasing mercury releasing getter, the standard amount of mercury release, mercury release characteristic curve

Test Method for wire and thermal stability, barium evaporable getter method was tested a barium amount of nitrogen-doped barium getter film distribution test methods.

This standard applies to devices with a vacuum getter.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent

Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research

Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB/T 4314 getter term

GB/T 25494-2010 getter composition analysis test methods

3 Terms

GB/T 4314 as determined by the terms and definitions apply to this standard.

Test Method 4 release of metal

4.1 Principle

Getter metal emission tests, such as the total amount of mercury releasing mercury releasing getter, the standard interpretation of the amount of mercury, barium evaporable getter yield of barium, etc., were collected

Determination of the amount of metal released by "poor weight method."

4.2 Test equipment and conditions

When evaporable getter tested, recommended the sample chamber and the high frequency induction coil size are shown in Table 1. The specimen shall be in cylindrical specimens

Rooms, and high-frequency induction coil center. Typically, the sample is placed on top of the sample chamber can be directed towards the evapotranspiration horizontal position, using coaxial

Evapotranspiration. For antenna type pallet color picture tube getter, for the ET direction towards the opposite glass wall, at least with the sample specimen support frame

Chamber axis angle of 30 °; the sample in order to prevent displacement occurs during evapotranspiration, evapotranspiration should be tangential. see picture 1.

GB/T 28159-2025 | GB/T 37406-2019 | GB/T 29848-2018 | GB/T 25497-2010 | GB/T 25496-2010 | GB/T 25494-2010 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Similar standards

Editions of GB/T 25495

EditionTitleRevisionStatus
GB/T 25495-2010Test methods for metal releasing characteristics of getterscurrent editionCurrent
GB 9506.6-1988Test methods for metal releasing characteristics of gettersprevious editionSuperseded

This page sells the current edition, GB/T 25495-2010. Earlier editions are listed for reference only.

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