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Manufacturer for Nickel Foil - Copper Strip for Lead Frame – CIVEN

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Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for Thin Copper Tape, Double Matt Copper Foil, Rtf Copper Foil, Encouraged with the fast producing current market on the speedy foodstuff and beverage consumables all around the entire world , We're hunting forward to functioning with partners/clients to create good results together.
Manufacturer for 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.


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Manufacturer for Nickel Foil - Copper Strip for Lead Frame – CIVEN detail pictures


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"Control the standard by the details, show the toughness by quality". Our firm has strived to establish a highly efficient and stable workers workforce and explored an effective high-quality management system for Manufacturer for Nickel Foil - Copper Strip for Lead Frame – CIVEN , The product will supply to all over the world, such as: Poland, Finland, Bangladesh, As a well educated, innovative and energetic staff,we are responsible for all elements of the research, design, manufacturing, sales and distribution. With studying and developing new techniques,we are not only following but also leading the fashion industry. We listen attentively to the feedback from our customers and provide instant communication. You will instantly feel our expertise and attentive service.
  • This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
    5 Stars By jari dedenroth from Marseille - 2017.01.11 17:15
    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 Christian from Gambia - 2018.05.15 10:52
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