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GB/T 20254.2-2015: Copper and copper alloy strips for lead frame -- Part 2: Profiled strip
Status: Valid GB/T 20254.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 20254.2-2015 | English | 209 |
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Copper and copper alloy strips for lead frame -- Part 2: Profiled strip
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GB/T 20254.2-2015
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| GB/T 20254.2-2006 | English | 439 |
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Copper and copper alloy strips for lead frame -- Part 2: U-strips
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GB/T 20254.2-2006
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Basic data | Standard ID | GB/T 20254.2-2015 (GB/T20254.2-2015) | | Description (Translated English) | Copper and copper alloy strips for lead frame -- Part 2: Profiled strip | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H62 | | Classification of International Standard | 77.150.30 | | Word Count Estimation | 10,132 | | Date of Issue | 2015-09-11 | | Date of Implementation | 2016-04-01 | | Older Standard (superseded by this standard) | GB/T 20254.2-2006 | | Quoted Standard | GB/T 228.1-2010; GB/T 351; GB/T 4340.1; GB/T 5121.1; GB/T 5121.2; GB/T 5121.3; GB/T 5121.4; GB/T 5121.5; GB/T 5121.6; GB/T 5121.7; GB/T 5121.8; GB/T 5121.9; GB/T 5121.10; GB/T 5121.11; GB/T 5121.12; GB/T 5121.13; GB/T 5121.14; GB/T 5121.15; GB/T 5121.16; GB/T 5121.17; GB/T 5121.18; GB/T 5121.19; GB/T 5121.20; GB/T 5121.21; GB/T 5121.22; GB/T 5121.23; GB/T 5121.24; GB/T 5121.25; GB/T 5121.26; GB/T 5121.27; GB/T 5121.28; GB/T 5231; GB/T 8888; GB/T 10610; GB/T 26303.3; YS/T 478; YS/T 482; YS/T 668; YS/T 815 | | Regulation (derived from) | National Standard Announcement 2015 No.25 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies requirements for lead frame shaped copper and copper alloy strip, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and orders (or contract) content. This section applies to the electronics industry sector lead frame made of copper and copper alloy shaped belt. | GB/T 20254.2-2015: Copper and copper alloy strips for lead frame -- Part 2: Profiled strip---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Copper and copper alloy strips for lead frame Part 2.. Profiled strip
ICS 77.150.30
H62
National Standards of People's Republic of China
Replacing GB/T 20254.2-2006
Lead frame with copper and copper alloy strip
Part 2. shaped belt
Part 2. Profiledstrip
Issued on. 2015-09-11
2016-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 20254 "lead frame with copper and copper alloy strip" is divided into two parts.
--- Part 1. flat belt;
--- Part 2. shaped belt.
This section GB/T 20254 Part 2.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 20254.2-2006 "lead frame with copper and copper alloy strip - Part 2. U belt." This portion
GB/T 20254.2-2006 compared to the main changes are as follows.
--- Increased provisions T-zone, the name of the standard was revised Part 2 from the "lead frame with copper and copper alloy strip
Min. U-belt "to" lead frame with copper and copper alloy strip Part 2. shaped belt ";
--- Adds alloy code representation;
--- Oblique angle θ changed to "0 ~ 5 °";
--- Increased "cross bend on the total width of the strip should not exceed 0.5mm" provisions;
--- Delete the original standard of "not less than the inner diameter of coil 400mm, the maximum outer diameter of 1000mm. Weighing not less than single coil
80kg "provisions;
--- Added "chemical analysis conducted in accordance with YS/T 482" requirement;
--- Added "Dimensions detection strip according 26303.3 provisions GB/T were" requirement;
--- Increased provisions "sample preparation conducted in accordance with YS/T 815," the;
--- Added "sampling method prescribed YS/T 668 will be" requirement.
This part is proposed by the China Nonferrous Metals Industry Association.
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This section is drafted. Chinalco Luoyang Copper Co., Ltd., Ningbo Xingye Shengtai Group Co., Ltd., Anhui Xinke New Materials Co. Shares
The company, Heze Guangyuan Copper Strip Co., Ltd., a limited liability company Shanxi Chunlei Copper, Tongling Jinwei Copper Company Limited.
The main drafters of this section. Zhu Yingli, steady Guo Hui, Liang Weidong, Ding Shunde, Ma Aiping, Ge calf, Xuji Ling, Wang Yu Jing, Meng Wei,
Chen Jianrong, Yiu Tung Mao, Zhang Xiaomin, Liu Qinglan.
This part of the standard replaces the previous editions are.
--- GB/T 20254.2-2006.
Lead frame with copper and copper alloy strip
Part 2. shaped belt
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.
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