GB/T 20254.2-2015Copper and copper alloy strips for lead frame—Part 2: Profiled strip (English PDF)
引线框架用铜及铜合金带材 第2部分：异型带
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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 20254.2-2015 is the English-translated version of 引线框架用铜及铜合金带材 第2部分：异型带.
GB/T 20254.2-2015 is the Chinese standard "Copper and copper alloy strips for lead frame—Part 2: Profiled strip".
Its scope clause reads: This section GB/T 20254 specifies the lead frame with copper and copper alloy shaped with requirements, test methods, inspection rules, marks, packages Equipment, transportation, storage, quality certificate and purchase order (or contract) content.
This section applies to the electronic industry as a lead frame with copper and copper alloy shaped band (hereinafter referred to as strip). Its clauses include requirements.
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Document preview — GB/T 20254.2-2015
National Standard of the People's Republic of China
- ICS
- 77.150.30
- Classification
- H 62
- Replacing
- GB/T 20254.2-2006
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 Categories
1 Scope
This section GB/T 20254 specifies the lead frame with copper and copper alloy shaped with requirements, test methods, inspection rules, marks, packages
Equipment, transportation, storage, quality certificate and purchase order (or contract) content.
This section applies to the electronic industry as a lead frame with copper and copper alloy shaped band (hereinafter referred to as strip).
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 Requirements
3.1 Categories
3.1.1 grade, status, specifications
Strip grades, status, and shall conform to the specifications in Table 1. FIG sectional strip 1, as shown in FIG.
......
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 20254.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 20254.2-2015 | Copper and copper alloy strips for lead frame—Part 2: Profiled strip | current edition | Current |
| GB/T 20254.2-2006 | Copper and copper alloy strips for lead frame—Part 2: Profiled strip | previous edition | Superseded |
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