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SJ 3249.3-1989Methods of measurement for chromium concentration in semi-insulation Gallium arsenide by infra-red absorpti (English PDF)

半绝缘砷化镓中铬浓度的红外吸收测试方法

SJ 3249.3 | Evolution and historical versions

Std ID	Title	Status
SJ 3249.3-1989	Methods of measurement for chromium concentration in semi-insulation Gallium arsenide by infra-red absorpti	Obsolete

SJ 3249.3-1989 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Level / Type

National · Mandatory

Issue date

March 20, 1989

Implementation date

March 25, 1989

Scope

SJ 3249.3-1989 is the English-translated version of 半绝缘砷化镓中铬浓度的红外吸收测试方法.

SJ 3249.3-1989 is the Chinese industry standard "Methods of measurement for chromium concentration in semi-insulation Gallium arsenide by infra-red absorpti". It was issued on March 20, 1989, and took effect on March 25, 1989. It is obsolete: it has been withdrawn (abolished on July 11, 2024).

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Document preview — SJ 3249.3-1989

Document data

1 Document data

Sector: Electronics (industry standard).

Date of issue: 1989-03-20.

Date of implementation: 1989-03-25.

Status: obsolete, withdrawn on 2024-07-11.

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

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