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GB/T 20254.1-2015Copper and copper alloy strips for lead frame—Part 1: Plane strip (English PDF)

引线框架用铜及铜合金带材 第1部分:平带

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 11, 2015

Implementation date

April 1, 2016

Scope

GB/T 20254.1-2015 is the English-translated version of 引线框架用铜及铜合金带材 第1部分:平带.

GB/T 20254.1-2015 is the Chinese standard "Copper and copper alloy strips for lead frame—Part 1: Plane strip".

Its scope clause reads: This section GB/T 20254 specifies the requirements of the lead frame material with copper and copper alloy flat belts, test methods, inspection rules, marking, Packaging, transportation, storage, quality certificate and purchase order (or contract) content.

This section applies to the production of the electronics industry integrated circuits and discrete devices lead frame material with copper and copper alloy flat band (hereinafter referred to as band material). Its clauses include terms and definitions; requirements.

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Document preview — GB/T 20254.1-2015

National Standard of the People's Republic of China

ICS
77.150.30
Classification
H 62
Replacing
GB/T 20254.1-2006

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

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms and Definitions
  • 4 Requirements

1 Scope

This section GB/T 20254 specifies the requirements of the lead frame material with copper and copper alloy flat belts, test methods, inspection rules, marking,

Packaging, transportation, storage, quality certificate and purchase order (or contract) content.

This section applies to the production of the electronics industry integrated circuits and discrete devices lead frame material with copper and copper alloy flat band (hereinafter referred to as band material).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

RT Test Method. Test Part 1 GB/T 228.1-2010 metal material tensile

GB/T 351 metal material resistivity measurement method

GB/T 4340.1 metallic materials - Vickers hardness test - Part 1. Test methods

GB/T 5121 (all parts) of copper and copper alloys -

GB/T 5231 and processing of copper and copper alloy grades and chemical composition

GB/T 8888 heavy non-ferrous metal processing products, packaging, labeling, transportation, storage and quality certificate

GB/T 10610 Geometrical product specifications (GPS) Surface texture Profile method - Rules and procedures for evaluation of the surface structure

GB/T 26303.3 copper and copper alloy processing material Dimensions detection methods - Part 3. plate and strip

YS/T 478 copper and copper alloy conductivity eddy current testing method

YS/T 482 copper and copper alloy analysis photoemission spectroscopy

YS/T 668 copper and copper alloy physical and chemical detection sampling method

YS/T 815 methods for preparing copper and copper alloy mechanical and technological properties of the sample

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Resistance to softening

Metal or alloy resistant to high temperature softening. Usually after a certain time with the material is heated at a certain temperature, with room Wen Weishi hardness into

Line measure.

4 Requirements

4.1 Categories

4.1.1 grade, status, specifications

Strip grades, status, and shall conform to the specifications in Table 1.

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

Similar standards

Editions of GB/T 20254.1

EditionTitleRevisionStatus
GB/T 20254.1-2015Copper and copper alloy strips for lead frame—Part 1: Plane stripcurrent editionCurrent
GB/T 20254.1-2006Copper and copper alloy strips for lead frame—Part 1: Plane stripprevious editionSuperseded

This page sells the current edition, GB/T 20254.1-2015. Earlier editions are listed for reference only.

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