"Ultrasonic bonding" that realizes dissimilar metal and low-temperature joining.
Are you having trouble with dissimilar metal bonding or low-temperature bonding? Ultrasonic bonding is a technology that uses ultrasonic vibrations and pressure to join metals together. By joining without melting the materials, it minimizes deformation and damage due to heat while achieving high bonding strength and excellent conductivity. It can also accommodate dissimilar metals that have traditionally been difficult to bond, such as copper and aluminum, making it widely adopted in various fields including EVs, electronic components, and electrical devices. Towa Electric offers optimal ultrasonic bonding solutions tailored to your applications and needs, supporting you from prototype to mass production.
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basic information
Ultrasonic welding is a method of joining metals using friction energy and pressure generated by ultrasonic vibrations. Since it does not melt the materials, it has minimal thermal effects, which helps to reduce product deformation and changes in properties. It accommodates the joining of dissimilar metals, such as copper and aluminum, ensuring high joint strength and stable quality. Additionally, the electrical resistance at the joint is low, maintaining excellent conductivity. This clean method does not use flux or adhesives, contributing to the simplification of subsequent processes and reducing environmental impact. Furthermore, its capability for high-speed joining makes it suitable for automation equipment and mass production lines.
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Applications/Examples of results
Ultrasonic welding is adopted in various products that require dissimilar metal joining. It is ideal for applications that demand high conductivity and reliability, such as bus bar joining for EV and HEV batteries, wire harness and terminal joining, conductor joining for electronic and electrical components, motor parts, sensor parts, and precision instruments. It is also suitable for mass production lines aimed at avoiding thermal deformation, stabilizing joining quality, and improving productivity. If you have any challenges related to dissimilar metal joining or low-temperature joining, we can propose the optimal joining method tailored to your applications and specifications.
Company information
Our company is a specialized trading firm that provides various materials primarily in the home appliance, automotive, information and communication, eco, and energy industries. We will celebrate our 80th anniversary in February 2026. In addition to a wide range of products such as electrical and electronic materials, chemical materials, metal materials, synthetic resin raw materials, industrial films, and molded products, as well as various types of wires and wire processed products, we also offer proposals for processing and assembly that combine various materials. Recently, we have been focusing on technical support solutions and development solutions, and we hope to be of service to you as your electronics solution partner.
