Metal Joining

Supporting Integrated Electrical Contact Performance

Checon employs advanced metal joining and cladding techniques to engineer performance, dimensional control, and electrical reliability at the contact interface. Multi-layer base material tapes and coil strips are produced in-house through precision cladding operations, followed by integration of silver and silver alloys to enhance electrical contact and subassembly performance.

Depending on design requirements, metal joining may include cold cladding multiple layers, hot bonding multiple strips, or in-line brazing using Checon’s proprietary Toplay process to attach one or more silver wires or strips to a multi-layer base material. Silver and other precious metal alloys can also be joined to copper, copper alloys, and other substrates through in-press, seam, and resistance welding, as well as furnace, induction, resistance, and flame brazing.

These processes are integrated into Checon’s vertically integrated manufacturing platform, ensuring controlled attachment, consistent interface performance, and long-term reliability across industrial control and power distribution applications.

how we work

Cladding

Checon's clad contact products combine the unique properties of two or more materials, such as highly conductive copper and tensile strength steel, into a single cost-effective composite base material. This configuration allows contact-resistant silver and silver alloys, such as silver cadmium oxide and silver tin oxide, to be added only at the most critical locations, including one-sided or double-sided inlay and full overlay for various industrial switch and circuit breaker applications.

Welded and Brazed Material Capabilities

Continuous Seam Welding

Our contact tape department produces continuously welded tape for electrical contact, switch, and sensor applications. It consists of a cap made of precious metal and a base made of non-precious metal. Tape profiles can be rectangular or pyramidal and are available in a continuous, spool, or cut-to-length configuration.

Resistance Welding

Checon offers a wide range of high-speed automatic stamping and welding lines to meet the demand for springs and terminals from the electromechanical switch, appliance, and automotive industries.

Toplay and Furnace Brazing

Checon can braze in protective atmospheres with automated, high throughput techniques utilizing continuous mesh belt furnaces or Checon's proprietary Toplay process that ultrasonically scans 100% of the material for bond quality. These processes produce millions of electric contacts annually, including bimetal contact buttons, studs, and rivet-style contacts. Brazing produces unique geometries that other methods, such as cold cladding or welding, are ineffective for. The strong metallic bond of braze joints ensures their reliability.

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From Cladding to Brazing to Integrated Contact Interfaces
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‍Checon’s metal joining and cladding capabilities are embedded within its vertically integrated manufacturing platform, supporting electrical contacts, electrical contact assemblies, and bus bars with integrated electrical contacts. By controlling attachment methods, cladding processes, and material interfaces in-house, Checon ensures consistent electrical performance, interface reliability, and long-term durability across industrial control and power distribution systems.

Consult with Checon on Metal Joining for electrical contact applications.

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