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Best 15 Bonding Wires Companies for Semiconductors

About Bonding Wires for Semiconductors

Bonding wires play a crucial role in semiconductor devices, serving as the electrical connection between the semiconductor chip and its package. They are typically made from materials like aluminum, gold, or copper, chosen for their conductivity, reliability, and compatibility with the semiconductor process.

Here are some key points about bonding wires for semiconductors:

1. Material: The choice of material depends on factors such as conductivity, thermal properties, and cost. Gold wire is often used for its excellent conductivity and corrosion resistance, especially in high-reliability applications like aerospace or medical devices. Aluminum and copper wires are also common choices due to their lower cost and good electrical properties.

2. Wire Diameter: The diameter of the bonding wire is critical and is usually very small, typically in the range of tens to hundreds of micrometers (microns). The smaller diameter enables fine pitch connections and allows for more connections to be made in a limited space.

3. Wire Bonding Techniques: There are different techniques for bonding wires to semiconductor devices, including:

• Thermosonic Bonding: This involves applying heat and ultrasonic energy to create a bond between the wire and the bonding pads on the semiconductor chip and package.

• Ultrasonic Bonding: Similar to thermosonic bonding but without the application of heat. Instead, ultrasonic energy is used to create the bond.

• Ball Bonding: In this technique, a small ball of wire is first formed at the end of the wire, which is then pressed onto the bonding pad to create a connection. This is commonly used in gold wire bonding.

• Wedge Bonding: Here, the wire is pressed onto the bonding pad at an angle, forming a wedge-shaped bond. This technique is often used with aluminum or copper wires.

4. Reliability: Bonding wire reliability is crucial for the overall performance and longevity of semiconductor devices. Factors such as wire material, bonding technique, and wire integrity during manufacturing all contribute to the reliability of the bond.

5. Wire Failure Modes: Bonding wires can fail due to various factors such as mechanical stress, thermal cycling, corrosion, or material fatigue. Understanding and mitigating these failure modes are essential for ensuring the reliability of semiconductor devices.

Overall, bonding wires are essential components in semiconductor packaging, providing the necessary electrical connections between the chip and the outside world while ensuring reliability and performance.

Table of Contents

Best 15 Bonding Wires Companies for Semiconductors

TANAKA Precious Metals


TANAKA’s Precision Precious Metal Processing Technologies-Bonding Wires

HeadquartersTokyo, Japan
Established time1885
Company websitehttps://tanaka-preciousmetals.com/en/

The Tanaka Kikinzoku Group, founded in 1885, is a Japanese manufacturer of precious metals materials focusing mainly on products for the electronics, semiconductor and automotive industries.

The company is active in three business fields: industrial precious metal products, precious metal jewelry and precious metal asset.

By Application

Precious Metals Materials
Electronic Mechancial Materials , Electronic Functional Materials(Relays,Motors,Switches)
Packages and Sealing, Semiconductor and Electronic Parts
Sensor Materials
Platinum Materials for the Glass Industry
Carbon neutral (decarbonization), Energy, Environment
Technology Development

Heraeus Precious Metals is a global leader in the precious metals business..

HeadquartersHanau, Germany
Established time1660
Company websitehttps://www.heraeus-group.com/en/

Heraeus is a German technology group with a focus on precious and special metals, medical technology, quartz glass, sensors and specialty light sources as well as electronic components. Founded in Hanau in 1851, the company is one of the largest family-owned companies in Germany in terms of revenue.

Heraeus Precious Metals is a global leader in the precious metals business. Today, the Heraeus group includes businesses in the environmental, electronics, health and industrial applications sectors.

MK Electron (MKE)

HeadquartersSouth Korea
Established time1982
Company websitehttp://www.mke.co.kr/l_eng/

Since 1982, MK Electron (MKE) has grown into a global semiconductor material company. MK Electron Co., Ltd. specializes in manufacturing semiconductor materials, such as gold bonding wires, gold sputtering target, gold evaporating material, and solder balls. The Company supplies its products to semiconductor producers in South Korea.

Nippon Micrometal Corporation

Nippon Micrometal

Nippon Micrometal

HeadquartersSaitama, Japan
Established time1987
Company websitehttps://www.nmc-net.co.jp/en/

Since its establishment in 1987, Nippon Micrometal has been contributing to the development of semiconductor industry with its solid technological capabilities. Nippon Micrometal Corporation is a distribution company that supplies a wide range of bonding wires and micro ball products. The company has got certifications like IATF 16949 ISO 9001 ISO 14001.


Bonding Wire
Micro Ball



COINING is the largest Solder Preforms manufacturer in the world.

HeadquartersMontvale, NJ, United States
Established time1965
Company websitehttps://www.ametek-coining.com/

COINING is the largest Solder Preforms manufacturer in the world. Founded in 1965, COINING has been a part of the information Age Since the beginning, when semi-conductors and microchips became the new normal, and Silicon Valley was first coming online. Along the way, they’ve designed, engineered, and manufactured a wide range of customized alloys and the broadest range of preforms, micro-stampings, ribbon and wire needed to make advanced electronics and electrical systems function.


Metal Bonding Wire and Ribbon
Metal Bond Pads
COINING Cover Assemblies
Our Quality
Alloy List

Beijing Dabo Nonferrous Metal Solder Co., Ltd. is a national hi-tech enterprise.

HeadquartersBeijing, China
Established time1999
Company websitehttp://en.doublink.com/

Beijing Dabo Nonferrous Metal Solder is a technological innovation alliance of China IC industry, Alliance, Beijing New Materials Industry Alliance members, was established in December 1999.

The company’s main products for the integrated circuit (IC, LSI, ULSI), semiconductor discrete devices (TR) and semiconductor lighting with light-emitting diode (LED) with gold wire bonding, bonding copper wire, bonding silver, aluminum bonding Wire and various alloy bonding wire products, including cost-effective ultra-soft copper wire, palladium copper wire, gold and silver, etc .; also produced gold chip back gold evaporation gold evaporation arsenic, silver wire and material evaporation.

Dabo company has passed ISO / TS16949 quality management system, ISO14001 environmental management system and QC080000 hazardous substances process control management system certification.


logo TATSUTA Group


HeadquartersOsaka, Japan
Established time1945
Company websitehttps://www.tatsuta.com/

Tatsuta Electric Wire and Cable Co Ltd engage in the manufacture and sale of cables, electric wires, device system and optical products, electronic equipment and materials. It produces bare wires, covered wires, power cables, communication cables, accessories, and fittings. The electronic materials unit offers conductive materials and bonding wires. Its offerings include equipment system products business, optical components business, and environmental analysis business.

Main products

Electric wire/cable
Electronic materials
Sensor & Medical Products

Kangqiang Electronics

Ningbo Kangqiang Electronics logo

Ningbo Kangqiang Electronics is a high-tech enterprise.

Established time1992
Company websitehttps://en.kangqiang.com/

Ningbo Kangqiang Electronics is a high-tech enterprise specializing in the development, production and sales of various semiconductor packaging materials. Mainly produce various types of semiconductor plastic package lead frames and bonding wires. The company was listed on the Shenzhen Stock Exchange on March 2, 2007 (Kangqiang Electronics, 002119).


Stamping Framework
Etching Frame
Bonding Wires
LED Framework

Zhaoji Kanfort

Zhaoji Kanfort

Yantai Zhaoji Kanfort Precious Metals

Established time2002
Company websitehttp://www.zjlifu.com/profile.html

Yantai Zhaoji Kanfort Precious Metals Incorporated Company processes and distributes precious metal products. The Company produces gold, silver, silver cyanide, gold bonding wires, and other products. Yantai Zhaoji Kanfort Precious Metals also produces plating chemical materials.

The company has passed the certification of four international standard systems, ISO9001, ISO14001, ISO45001 and IATF16949, and has passed the standardization audit of hazardous chemical safety standardization.

Electronic chemical materials gold salts (potassium gold cyanide), silver salts (silver cyanide, potassium silver cyanide), sodium gold sulfite, palladium salts, rhodium water; semiconductor bonding materials, evaporation materials; precious metal targets, strips and so on.


Established time2007
Company websitehttp://m.yesdochina.cn/nav/22.html

Yantai YesDo Electronic Materials Co., Ltd. was established in September 2007, located in Yantai Economic and Technological Development Zone, Shandong Province, is a high-tech enterprise specializing in the research and development, production, sales and service in one of the bonding wires and soldering materials, the products include silver-based bonding wires, bonding alloy wires, bonding copper wires, aluminum wires, chip solder wires, evaporation and targeting materials, the products involved in the electronic packaging, semiconductor chip fabrication and so on. Our products involve electronic packaging, semiconductor chip production and many other fields.


HeadquartersGujarat, India
Established time2006
Company websitehttps://www.nichetech.com.hk/index.php/en/

Niche-Tech is a semiconductor packaging materials manufacturer established in 2006 by Professor Stephen Chow and Dr. Felix Chow. With an operating history of over 15 years in Hong Kong and PRC, they are dedicated in the development, manufacture and marketing of high quality products for the Semiconductor Packaging, LED Packaging and Chip On Board industries.




HeadquartersMarkham, ON L3R 5G2, Canada
Established time1996
Company websitehttps://www.microbonds.com/old/xwiretech.htm

Incorporated in 1996, Microbonds Inc. is a pioneer and leader in the research, development and application of insulated bonding wire technology for the semiconductor packaging and microchip industries. The company’s X-Wire™ Technology enables the development of faster, smaller and cheaper microchips while improving manufacturing reliability.

Applications of X-Wire™ Technology
Coated Copper Bonding Wire
IC Package Assembly Services
Nano Thin Film Wire Coating Services

Jincan Electronic

Jincan Electronic

Jiangsu Jincan Electronic company

Established time2018
Company websitehttp://www.jsjcdzkj.com/

Jiangsu Jincan Electronic Technology mainly develops and manufactures bonding alloy wires, silver wires, copper wires, palladium-copper wires, gold-palladium-copper wires, evaporated gold, silver paste and electronic application materials for microelectronic encapsulation of light-emitting diodes (LEDs), transistors, integrated circuits (ICs) and other microelectronic packages, semiconductor chip fabrication, as well as related fields.


Bonding Alloy Wires
Bonded Silver Wires
Bonded Copper Wires
Gold Plated Silver Wire
Palladium Plated Copper Wire
Gold and silver alloy wire

Sigma material


sigma corporation

HeadquartersHefei city, Anhui province, China
Established time2010
Company websitehttps://en.sigmamaterial.com/index.html

Sigma was established in 2010. Since its establishment, it has been researching and deep processing of precious metal materials. At present, it has successfully developed sensitive products of gold, silver, platinum in powder, wire, thin plate, sheet, and material materials. A wide range of tubes are used in semiconductor chips and packaging, semiconductor displays, semiconductor lighting (LED), mobile phone communications, quartz oscillators and other industries.

The main products are 3D printing powder, silver powder, packaging bonding wire, target wire, film plating materials, high and low temperature precious materials and materials and other precious metal alloy related materials.


Bonding Wire
Gold Bonding Wire
Alloy Bonding Wire
Copper Bonding Wire
Aluminum Bonding Wire
Precious Metal Materials

Wonsung Alloy Material

logo Shanghai Wonsung Alloy Material

Shanghai Wonsung Alloy Material was established in January 2015.

HeadquartersShanghai ,China
Established time2015
Company websitehttp://www.shwonsung.com/en/

Shanghai Wonsung Alloy Material was established in January 2015. Shanghai Wonsung Alloy materials is a high-tech enterprise which specialized in research, production and sales of bonding wire which used to electronic packaging. The main products are Cu wire,Au wire, Silver alloy wire, Pd copper wire, Au-Pd-copper wire, Al alloy wire and other products.The products are widely used in the field of IC and LED thermocompression bonding and hot ultrasonic bonding process. The company has passed the IS09001, ISO14001, TS16949, ROHS, SGS, CE and other quality system certification and related testing.


Gold Bonding Wire
Silver Alloy Bonding Wire
Copper Bonding Wire
Pd-Coated Cu Wire

Matfron semiconductor packaging provides one-stop full-process solutions for the industry.

Established time2016
Company websitehttps://www.matfron.com/?_l=en

MATFRON provides semiconductor packaging and automatic assembly solutions for the automotive, consumer electronics, communications, computer and industrial industries. Semiconductor Packaging and Automatic Assembly are two key business units that contribute to the solid foundation of Matfron as an advanced technology-oriented enterprise.


Semiconductor Packaging
Bonding wires | Fixtures
Automatic Assembly
Torque Arm
Tightening Parts

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