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Good quality Thin Nickel Foil - Copper Strip for Lead Frame – CIVEN

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  • Good quality Thin Nickel Foil - Copper Strip for Lead Frame – CIVEN

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With a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of Very Low Profile Copper Foil, Pure Copper Foil, Rtf Copper Foil, Besides, our company sticks to high quality and reasonable price, and we also offer good OEM services to many famous brands.
Good quality Thin Nickel Foil - Copper Strip for Lead Frame – CIVEN Detail:

Product Introduction

The material for lead frame is always made from alloy of copper, Iron and phosphorus, or copper, nickel and silicon, which have the common alloy No. of C192(KFC),C194 and C7025.These alloys have high strength and performance.C194 and KFC are most representative for copper, iron and phosphorus alloy, they are the most common alloy materials.

C7025 is the alloy of copper and phosphorus, silicon. It has high thermal conductivity and high flexibility, and do not need heat treatment, also it’s easy for stamping. It has high strength, excellent thermal conductivity properties, and very suitable for lead frames, especially for assembly of high density integrated circuits.

Copper alloys for lead frames are roughly divided into copper iron system, copper nickel silicon system, copper chromium system, copper nickel tin system (jk-2 alloy), etc. ternary and quaternary copper alloys can achieve better performance and lower cost than traditional binary alloys. Copper iron alloys have the most brands and have better mechanical strength, stress relaxation resistance and low creep, It is a kind of good lead frame material. Due to the needs of lead frame fabrication and packaging applications, in addition to high strength and high thermal conductivity, the materials are also required to have good brazing performance, process performance, etching performance, oxide film bonding performance, etc. The materials are developing in the direction of high strength, high conductivity and low cost. A small amount of various elements are added to copper to improve the alloy strength (so that the lead frame is not easy to deform) and comprehensive properties without significantly reducing the conductivity. The materials with tensile strength above 600MPa and conductivity greater than 80% IACS are the research and development hotspot. The copper strip is required to be high surface, accurate plate shape, uniform performance, continuous thinning of strip thickness, gradual thinning from 0.25mm to o.15mm and 0.lmm, and ultra-thin and profiled of 0.07-0.qiao.

Main Technical Parameters

Chemical composition

Name

Alloy No.

Chemical Composition(%)

Fe

P

Ni

Si

Mg

Cu

Copper-Iron-Phosphorus

Alloy

QFe0.1/C192/KFC

0.05-0.15

0.015-0.04

—

—

—

Rem

QFe2.5/C194

2.1-2.6

0.015-0.15

—

—

—

Rem

Copper-Nickel-Silicon

Alloy

C7025

—–

—–

2.2-4.2

0.25-1.2

0.05-0.3

Rem

 Technical Parameters

Alloy No.

Temper

Mechanical properties

Tensile Strength
MPa

Elongation
δ≥(%)

Hardness
HV

Elctricity Conductivity
％IACS

Thermal Conductivity

W/（m.K）

C192/KFC/C19210

O

260-340

≥30

＜100

85

365

1/2H

290-440

≥15

100-140

H

340-540

≥4

110-170

C194/C19410

1/2H

360-430

≥5

110-140

60

260

H

420-490

≥2

120-150

EH

460-590

—-

140-170

SH

≥550

—-

≥160

C7025

TM02

640-750

≥10

180-240

45

180

TM03

680-780

≥5

200-250

TM04

770-840

≥1

230-275

Note: Above figures based on the material thickness 0.1~3.0mm.

Typical Applications

● Lead frame for Integrated Circuits, Electrical connectors, Transistors, LED stents.

Product detail pictures:

Good quality Thin Nickel Foil - Copper Strip for Lead Frame – CIVEN detail pictures

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We are proud of the superior customer gratification and wide acceptance due to our persistent pursuit of top of the range both of those on merchandise and service for Good quality Thin Nickel Foil - Copper Strip for Lead Frame – CIVEN , The product will supply to all over the world, such as: Angola, Singapore, Yemen, Item have passed by means of the national qualified certification and been well received in our main industry. Our expert engineering team will often be ready to serve you for consultation and feedback. We are able to also deliver you with cost-free samples to meet your specifications. Ideal efforts will probably be produced to provide you the most beneficial service and solutions. Should you be interested in our company and solutions, please make contact with us by sending us emails or call us straight away. To be able to know our solutions and enterprise. ar more, you'll be able to come to our factory to see it. We'll constantly welcome guests from all over the world to our firm. o build business enterprise. elations with us. Please feel absolutely free to speak to us for organization. nd we believe we will share the best trading practical experience with all our merchants.
    • The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Melissa from Accra - 2017.04.28 15:45
    This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Doris from Birmingham - 2017.04.18 16:45
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